1
|
Wang J, Zhang H, Jin D, Han JQ, Fu JW, Zhu Q, Xie LH. Charge-Localized Retention and Long-Term Memory Enabled by Cooperating Sterically Confined Molecular Crystallization with Spiro[fluorene-9,9'-xanthene]-Based C sp3-Hindrance. J Phys Chem Lett 2024:2772-2780. [PMID: 38437178 DOI: 10.1021/acs.jpclett.4c00074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
Charge localization of memory materials plays a crucial role in the endurance and retention ability of organic nonvolatile memory, which is completely opposite from the charge delocalization of high-mobility materials. However, charge transfer of both though-space and through-bond based on molecular design principles still faces challenges. Herein, a nonplanar wide-bandgap semiconductor with Csp3-hindrance (DOCH3-DDPA-SFX) has been designed and synthesized. An effective crystallization effect of self-assembled two-dimensional nanosheets on charge trapping dynamics and kinetics is visualized by Kelvin probe force microscopy (KPFM). The trapped charges are localized completely on a single nanosheet, which has better charge trapping and retention properties than an amorphous film. Meanwhile, crystallization also greatly improves structure stability. Combining DFT theoretical calculations, the mechanisms of localization and long-term retention are discussed. The steric crystallization effects on the charge localization will guide the effective design of single-component semiconducting charge-memory materials by molecular assembly and aggregate control for high-performance organic memory.
Collapse
Affiliation(s)
- Jin Wang
- Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, China
| | - He Zhang
- Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, China
| | - Dong Jin
- Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, China
| | - Jun-Qi Han
- Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, China
| | - Jing-Wei Fu
- Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, China
| | - Qin Zhu
- Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, China
| | - Ling-Hai Xie
- Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, China
- School of Flexible Electronics (SoFE) and Henan Institute of Flexible Electronics (HIFE), Henan University, 379 Mingli Road, Zhengzhou 450046, China
| |
Collapse
|
2
|
Purbayanto MAK, Arramel, Koh SW, Maddalena F, Moszczyńska D, Manopo J, Darma Y, Kowal D, Li H, Birowosuto MD, Jastrzębska AM. Interfacial interactions of doped-Ti 3C 2 MXene/MAPbI 3 heterostructures: surfaces and the theoretical approach. Phys Chem Chem Phys 2023. [PMID: 38037878 DOI: 10.1039/d3cp04018f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
The work function (WF) of perovskite materials is essential for developing optoelectronic devices enabling efficient charge transfer at their interfaces. Perovskite's WF can be tuned by MXenes, a new class of two-dimensional (2D) early transition metal carbides, nitrides, and carbonitrides. Their variable surface terminations or the possibility of introducing elemental dopants could advance perovskites. However, the influence of doped-MXenes on perovskite materials is still not fully understood and elaborated. This study provides mechanistic insight into verifying the tunability of MAPbI3 WF by hybridizing with fluorine-terminated Ti3C2Tx (F-MXene) and nitrogen-doped Ti3C2Tx (N-MXene). We first reveal the interfacial interaction between MAPbI3 and MXenes via X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS), and photoluminescence spectroscopy (PL). UPS supported by density functional theory (DFT) calculations allowed the description of the influence of F and N on MXene's WF. Furthermore, we developed MAPbI3/MXene heterostructures using F- and N-MXenes. The F-MXenes extended the most WF of MAPbI3 from 4.50 eV up to 3.00 eV, compared to only a small shift for N-MXene. The underlying mechanism was charge transfer from low WF F-MXene to MAPbI3, as demonstrated by PL quenching in MAPbI3/F-MXene heterostructures. Altogether, this work showcases the potential of fluorine-doped MXenes over nitrogen-doped MXenes in advancing perovskite heterostructures, thus opening a door for efficient optoelectronic devices.
Collapse
Affiliation(s)
| | - Arramel
- Nano Center Indonesia, Jalan Raya PUSPIPTEK, South Tangerang, Banten 15314, Indonesia.
| | - See Wee Koh
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, 639798, Singapore
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 637553, Singapore
| | | | - Dorota Moszczyńska
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska 141, 02-507 Warsaw, Poland.
| | - Jessie Manopo
- Department of Physics, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia.
| | - Yudi Darma
- Department of Physics, Institut Teknologi Bandung, Jalan Ganesa No. 10, Bandung 40132, Indonesia.
- Research Collaboration Center for Quantum Technology 2.0, Bandung 40132, Indonesia
| | - Dominik Kowal
- Łukasiewicz Research Network-PORT Polish Center for Technology Development, Stabłowicka 147, 54-066 Wrocław, Poland.
| | - Hong Li
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, 639798, Singapore
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 637553, Singapore
| | - Muhammad Danang Birowosuto
- Łukasiewicz Research Network-PORT Polish Center for Technology Development, Stabłowicka 147, 54-066 Wrocław, Poland.
| | - Agnieszka Maria Jastrzębska
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska 141, 02-507 Warsaw, Poland.
| |
Collapse
|
3
|
Ding G, Zhao J, Zhou K, Zheng Q, Han ST, Peng X, Zhou Y. Porous crystalline materials for memories and neuromorphic computing systems. Chem Soc Rev 2023; 52:7071-7136. [PMID: 37755573 DOI: 10.1039/d3cs00259d] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
Porous crystalline materials usually include metal-organic frameworks (MOFs), covalent organic frameworks (COFs), hydrogen-bonded organic frameworks (HOFs) and zeolites, which exhibit exceptional porosity and structural/composition designability, promoting the increasing attention in memory and neuromorphic computing systems in the last decade. From both the perspective of materials and devices, it is crucial to provide a comprehensive and timely summary of the applications of porous crystalline materials in memory and neuromorphic computing systems to guide future research endeavors. Moreover, the utilization of porous crystalline materials in electronics necessitates a shift from powder synthesis to high-quality film preparation to ensure high device performance. This review highlights the strategies for preparing porous crystalline materials films and discusses their advancements in memory and neuromorphic electronics. It also provides a detailed comparative analysis and presents the existing challenges and future research directions, which can attract the experts from various fields (e.g., materials scientists, chemists, and engineers) with the aim of promoting the applications of porous crystalline materials in memory and neuromorphic computing systems.
Collapse
Affiliation(s)
- Guanglong Ding
- Institute for Advanced Study, Shenzhen University, Shenzhen, China.
| | - JiYu Zhao
- Institute for Advanced Study, Shenzhen University, Shenzhen, China.
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, Dalian University of Technology, Dalian 116024, China
- State Key Laboratory of Fine Chemicals, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Kui Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen, China.
| | - Qi Zheng
- Institute for Advanced Study, Shenzhen University, Shenzhen, China.
| | - Su-Ting Han
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xiaojun Peng
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, Dalian University of Technology, Dalian 116024, China
- State Key Laboratory of Fine Chemicals, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Ye Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen, China.
| |
Collapse
|
4
|
Aglikov A, Volkova O, Bondar A, Moskalenko I, Novikov A, Skorb EV, Smirnov E. Memristive Effect in Ti 3 C 2 T x (MXene) Polyelectrolyte Multilayers. Chemphyschem 2023; 24:e202300187. [PMID: 37349254 DOI: 10.1002/cphc.202300187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 06/24/2023]
Abstract
The emerging novel class of two-dimensional materials - MХenes - have attracted significant research attention. However, there are only few reports on using the most prominent member of the MXene family, Ti3 C2 Tx , as an active material for memristive devices within a polyelectrolyte matrix and its deposition on inert electrodes like ITO and Pt. In this study, we systematically investigate Ti3 C2 Tx MXenes synthesized with two classical delamination agents, such as lithium chloride and tetramethylammonium hydroxide, to identify the most suitable candidate for memristive device applications. The characteristics of memristors based on the hybrid structures consisting of MXene-polyelectrolyte multilayers, specifically polyethyleneimine (PEI) and poly(sodium 4-styrenesulfonate) (PSS) are explored. The PEI(MXene)/PSS memristor exhibits a voltage threshold (VSET/RESET ) range of 1.5-2.0 V, enabling the transition from a high-resistive state (HRS) to a low-resistive state (LRS), along with a significant current switching ratio of approximately two orders of magnitude. The observed VSET/RESET difference of approximately 4 V is further supported by density functional theory (DFT) calculated redox potential. These findings underscore the potential of polyelectrolyte-based memristors, such as the in PEI-Ti3 C2 Tx -PSS system, in facilitating the development of highly functional, self-assembled memristive devices with diverse applications.
Collapse
Affiliation(s)
- Aleksandr Aglikov
- Infochemistry Scientific Center, ITMO University, Lomonosova str. 9, Saint Petersburg, 191002, Russian Federation
| | - Olga Volkova
- Infochemistry Scientific Center, ITMO University, Lomonosova str. 9, Saint Petersburg, 191002, Russian Federation
| | - Anna Bondar
- Infochemistry Scientific Center, ITMO University, Lomonosova str. 9, Saint Petersburg, 191002, Russian Federation
| | - Ivan Moskalenko
- Infochemistry Scientific Center, ITMO University, Lomonosova str. 9, Saint Petersburg, 191002, Russian Federation
| | - Alexander Novikov
- Infochemistry Scientific Center, ITMO University, Lomonosova str. 9, Saint Petersburg, 191002, Russian Federation
| | - Ekaterina V Skorb
- Infochemistry Scientific Center, ITMO University, Lomonosova str. 9, Saint Petersburg, 191002, Russian Federation
| | - Evgeny Smirnov
- Infochemistry Scientific Center, ITMO University, Lomonosova str. 9, Saint Petersburg, 191002, Russian Federation
| |
Collapse
|
5
|
Ustad RE, Kundale SS, Rokade KA, Patil SL, Chavan VD, Kadam KD, Patil HS, Patil SP, Kamat RK, Kim DK, Dongale TD. Recent progress in energy, environment, and electronic applications of MXene nanomaterials. NANOSCALE 2023; 15:9891-9926. [PMID: 37097309 DOI: 10.1039/d2nr06162g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Since the discovery of graphene, two-dimensional (2D) materials have gained widespread attention, owing to their appealing properties for various technological applications. Etched from their parent MAX phases, MXene is a newly emerged 2D material that was first reported in 2011. Since then, a lot of theoretical and experimental work has been done on more than 30 MXene structures for various applications. Given this, in the present review, we have tried to cover the multidisciplinary aspects of MXene including its structures, synthesis methods, and electronic, mechanical, optoelectronic, and magnetic properties. From an application point of view, we explore MXene-based supercapacitors, gas sensors, strain sensors, biosensors, electromagnetic interference shielding, microwave absorption, memristors, and artificial synaptic devices. Also, the impact of MXene-based materials on the characteristics of respective applications is systematically explored. This review provides the current status of MXene nanomaterials for various applications and possible future developments in this field.
Collapse
Affiliation(s)
- Ruhan E Ustad
- Computational Electronics and Nanoscience Research Laboratory, School of Nanoscience and Biotechnology, Shivaji University, Kolhapur-416004, India.
- Department of Electrical Engineering and Convergence Engineering for Intelligent Drone, Sejong University, Seoul, Korea.
| | - Somnath S Kundale
- Computational Electronics and Nanoscience Research Laboratory, School of Nanoscience and Biotechnology, Shivaji University, Kolhapur-416004, India.
| | - Kasturi A Rokade
- Computational Electronics and Nanoscience Research Laboratory, School of Nanoscience and Biotechnology, Shivaji University, Kolhapur-416004, India.
| | - Snehal L Patil
- Computational Electronics and Nanoscience Research Laboratory, School of Nanoscience and Biotechnology, Shivaji University, Kolhapur-416004, India.
| | - Vijay D Chavan
- Department of Electrical Engineering and Convergence Engineering for Intelligent Drone, Sejong University, Seoul, Korea.
| | - Kalyani D Kadam
- Department of Electrical Engineering and Convergence Engineering for Intelligent Drone, Sejong University, Seoul, Korea.
| | - Harshada S Patil
- Department of Electrical Engineering and Convergence Engineering for Intelligent Drone, Sejong University, Seoul, Korea.
| | - Sarita P Patil
- School of Physical Science, Sanjay Ghodawat University, Atigre, Kolhapur-416118, MH, India
| | - Rajanish K Kamat
- Department of Electronics, Shivaji University, Kolhapur-416004, India
- Dr Homi Bhabha State University, 15, Madam Cama Road, Mumbai-400032, India
| | - Deok-Kee Kim
- Department of Electrical Engineering and Convergence Engineering for Intelligent Drone, Sejong University, Seoul, Korea.
| | - Tukaram D Dongale
- Computational Electronics and Nanoscience Research Laboratory, School of Nanoscience and Biotechnology, Shivaji University, Kolhapur-416004, India.
| |
Collapse
|
6
|
Lanza M, Hui F, Wen C, Ferrari AC. Resistive Switching Crossbar Arrays Based on Layered Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2205402. [PMID: 36094019 DOI: 10.1002/adma.202205402] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 08/25/2022] [Indexed: 06/15/2023]
Abstract
Resistive switching (RS) devices are metal/insulator/metal cells that can change their electrical resistance when electrical stimuli are applied between the electrodes, and they can be used to store and compute data. Planar crossbar arrays of RS devices can offer a high integration density (>108 devices mm- 2 ) and this can be further enhanced by stacking them three-dimensionally. The advantage of using layered materials (LMs) in RS devices compared to traditional phase-change materials and metal oxides is that their electrical properties can be adjusted with a higher precision. Here, the key figures-of-merit and procedures to implement LM-based RS devices are defined. LM-based RS devices fabricated using methods compatible with industry are identified and discussed. The focus is on small devices (size < 9 µm2 ) arranged in crossbar structures, since larger devices may be affected by artifacts, such as grain boundaries and flake junctions. How to enhance device performance, so to accelerate the development of this technology, is also discussed.
Collapse
Affiliation(s)
- Mario Lanza
- Physical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Fei Hui
- School of Materials Science and Engineering, The Key Laboratory of Material, Processing and Mold of the Ministry of Education, Henan Key Laboratory of Advanced, Nylon Materials and Application, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Chao Wen
- Cambridge Graphene Centre, University of Cambridge, Cambridge, CB3 0FA, UK
| | - Andrea C Ferrari
- Cambridge Graphene Centre, University of Cambridge, Cambridge, CB3 0FA, UK
| |
Collapse
|
7
|
Chen X, Wang X, Pang Y, Bao G, Jiang J, Yang P, Chen Y, Rao T, Liao W. Printed Electronics Based on 2D Material Inks: Preparation, Properties, and Applications toward Memristors. SMALL METHODS 2023; 7:e2201156. [PMID: 36610015 DOI: 10.1002/smtd.202201156] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 12/07/2022] [Indexed: 06/17/2023]
Abstract
Printed electronics, which fabricate electrical components and circuits on various substrates by leveraging functional inks and advanced printing technologies, have recently attracted tremendous attention due to their capability of large-scale, high-speed, and cost-effective manufacturing and also their great potential in flexible and wearable devices. To further achieve multifunctional, practical, and commercial applications, various printing technologies toward smarter pattern-design, higher resolution, greater production flexibility, and novel ink formulations toward multi-functionalities and high quality have been insensitively investigated. 2D materials, possessing atomically thin thickness, unique properties and excellent solution-processable ability, hold great potential for high-quality inks. Besides, the great variety of 2D materials ranging from metals, semiconductors to insulators offers great freedom to formulate versatile inks to construct various printed electronics. Here, a detailed review of the progress on 2D material inks formulation and its printed applications has been provided, specifically with an emphasis on emerging printed memristors. Finally, the challenges facing the field and prospects of 2D material inks and printed electronics are discussed.
Collapse
Affiliation(s)
- Xiaopei Chen
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xiongfeng Wang
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yudong Pang
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Guocheng Bao
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Jie Jiang
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Peng Yang
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, China
- College of Integrated Circuits and Optoelectronic Chips, Shenzhen Technology University, Shenzhen, 518118, China
| | - Yuankang Chen
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Tingke Rao
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Wugang Liao
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, China
| |
Collapse
|
8
|
Xu YD, Jiang YP, Tang XG, Liu QX, Tang Z, Li WH, Guo XB, Zhou YC. Enhancement of Resistive Switching Performance in Hafnium Oxide (HfO 2) Devices via Sol-Gel Method Stacking Tri-Layer HfO 2/Al-ZnO/HfO 2 Structures. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 13:39. [PMID: 36615949 PMCID: PMC9823911 DOI: 10.3390/nano13010039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/14/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
Resistive random-access memory (RRAM) is a promising candidate for next-generation non-volatile memory. However, due to the random formation and rupture of conductive filaments, RRMS still has disadvantages, such as small storage windows and poor stability. Therefore, the performance of RRAM can be improved by optimizing the formation and rupture of conductive filaments. In this study, a hafnium oxide-/aluminum-doped zinc oxide/hafnium oxide (HfO2/Al-ZnO/HfO2) tri-layer structure device was prepared using the sol-gel method. The oxygen-rich vacancy Al-ZnO layer was inserted into the HfO2 layers. The device had excellent RS properties, such as an excellent switch ratio of 104, retention of 104 s, and multi-level storage capability of six resistance states (one low-resistance state and five high-resistance states) and four resistance states (three low-resistance states and one high-resistance state) which were obtained by controlling stop voltage and compliance current, respectively. Mechanism analysis revealed that the device is dominated by ohmic conduction and space-charge-limited current (SCLC). We believe that the oxygen-rich vacancy concentration of the Al-ZnO insertion layer can improve the formation and rupture behaviors of conductive filaments, thereby enhancing the resistive switching (RS) performance of the device.
Collapse
Affiliation(s)
- Yuan-Dong Xu
- Guangzhou Higher Education Mega Centre, School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Yan-Ping Jiang
- Guangzhou Higher Education Mega Centre, School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Xin-Gui Tang
- Guangzhou Higher Education Mega Centre, School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Qiu-Xiang Liu
- Guangzhou Higher Education Mega Centre, School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Zhenhua Tang
- Guangzhou Higher Education Mega Centre, School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Wen-Hua Li
- Guangzhou Higher Education Mega Centre, School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Xiao-Bin Guo
- Guangzhou Higher Education Mega Centre, School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Yi-Chun Zhou
- School of Advanced Materials and Nanotechnology, Xidian University, Xi’an 710126, China
- Frontier Research Center of Thin Films and Coatings for Device Applications, Academy of Advanced Interdisciplinary Research, Xidian University, Xi’an 710126, China
| |
Collapse
|
9
|
Facile synthesis of MXene−Polyvinyl alcohol hybrid material for robust flexible memristor. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
10
|
Chen S, Chen H, Lai Y. Reproducible Non-Volatile Multi-State Storage and Emulation of Synaptic Plasticity Based on a Copper-Nanoparticle-Embedded HfO x/ZnO Bilayer with Ultralow-Switching Current and Ideal Data Retention. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3769. [PMID: 36364543 PMCID: PMC9656838 DOI: 10.3390/nano12213769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/18/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
The multilevel properties of a memristor are significant for applications in non-volatile multi-state storage and electronic synapses. However, the reproducibility and stability of the intermediate resistance states are still challenging. A stacked HfOx/ZnO bilayer embedded with copper nanoparticles was thus proposed to investigate its multilevel properties and to emulate synaptic plasticity. The proposed memristor operated at the microampere level, which was ascribed to the barrier at the HfOx/ZnO interface suppressing the operational current. Compared with the stacked HfOx/ZnO bilayer without nanoparticles, the proposed memristor had a larger ON/OFF resistance ratio (~330), smaller operational voltages (absolute value < 3.5 V) and improved cycle-to-cycle reproducibility. The proposed memristor also exhibited four reproducible non-volatile resistance states, which were stable and well retained for at least ~1 year at 85 °C (or ~10 years at 70 °C), while for the HfOx/ZnO bilayer without copper nanoparticles, the minimum retention time of its multiple resistance states was ~9 days at 85 °C (or ~67 days at 70 °C). Additionally, the proposed memristor was capable of implementing short-term and long-term synaptic plasticities.
Collapse
Affiliation(s)
- Shuai Chen
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
- School of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China
| | - Hao Chen
- School of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China
| | - Yunfeng Lai
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
- School of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China
| |
Collapse
|
11
|
Wang W, Gao S, Wang Y, Li Y, Yue W, Niu H, Yin F, Guo Y, Shen G. Advances in Emerging Photonic Memristive and Memristive-Like Devices. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105577. [PMID: 35945187 PMCID: PMC9534950 DOI: 10.1002/advs.202105577] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 06/06/2022] [Indexed: 05/19/2023]
Abstract
Possessing the merits of high efficiency, low consumption, and versatility, emerging photonic memristive and memristive-like devices exhibit an attractive future in constructing novel neuromorphic computing and miniaturized bionic electronic system. Recently, the potential of various emerging materials and structures for photonic memristive and memristive-like devices has attracted tremendous research efforts, generating various novel theories, mechanisms, and applications. Limited by the ambiguity of the mechanism and the reliability of the material, the development and commercialization of such devices are still rare and in their infancy. Therefore, a detailed and systematic review of photonic memristive and memristive-like devices is needed to further promote its development. In this review, the resistive switching mechanisms of photonic memristive and memristive-like devices are first elaborated. Then, a systematic investigation of the active materials, which induce a pivotal influence in the overall performance of photonic memristive and memristive-like devices, is highlighted and evaluated in various indicators. Finally, the recent advanced applications are summarized and discussed. In a word, it is believed that this review provides an extensive impact on many fields of photonic memristive and memristive-like devices, and lay a foundation for academic research and commercial applications.
Collapse
Affiliation(s)
- Wenxiao Wang
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Song Gao
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Yaqi Wang
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Yang Li
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Wenjing Yue
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Hongsen Niu
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Feifei Yin
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Yunjian Guo
- School of Information Science and EngineeringShandong Provincial Key Laboratory of Network Based Intelligent ComputingUniversity of JinanJinan250022China
| | - Guozhen Shen
- School of Integrated Circuits and ElectronicsBeijing Institute of TechnologyBeijing100081China
| |
Collapse
|
12
|
Duan H, Cheng S, Qin L, Zhang X, Xie B, Zhang Y, Jie W. Low-Power Memristor Based on Two-Dimensional Materials. J Phys Chem Lett 2022; 13:7130-7138. [PMID: 35900941 DOI: 10.1021/acs.jpclett.2c01962] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The memristor is an excellent candidate for nonvolatile memory and neuromorphic computing. Recently, two-dimensional (2D) materials have been developed for use in memristors with high-performance resistive switching characteristics, such as high on/off ratios, low SET/RESET voltages, good retention and endurance, fast switching speed, and low power and energy consumption. Low-power memristors are highly desired for recent fast-speed and energy-efficient artificial neuromorphic networks. This Perspective focuses on the recent progress of low-power memristors based on 2D materials, providing a condensed overview of relevant developments in memristive performance, physical mechanism, material modification, and device assembly as well as potential applications. The detailed research status of memristors has been reviewed based on different 2D materials from insulating hexagonal boron nitride, semiconducting transition metal dichalcogenides, to some newly developed 2D materials. Furthermore, a brief summary introducing the perspectives and challenges is included, with the aim of providing an insightful guide for this research field.
Collapse
Affiliation(s)
- Huan Duan
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, China
| | - Siqi Cheng
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, China
| | - Ling Qin
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, China
| | - Xuelian Zhang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, China
| | - Bingyang Xie
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, China
| | - Yang Zhang
- Institute of Modern Optics & Tianjin Key Laboratory of Micro-Scale Optical Information Science and Technology, Nankai University, Tianjin 300071, China
| | - Wenjing Jie
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, China
| |
Collapse
|
13
|
|
14
|
Sahare S, Ghoderao P, Yin P, Saleemi AS, Lee SL, Chan Y, Zhang H. An Assessment of MXenes through Scanning Probe Microscopy. SMALL METHODS 2022; 6:e2101599. [PMID: 35460206 DOI: 10.1002/smtd.202101599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/12/2022] [Indexed: 06/14/2023]
Abstract
Recently, exploring the unique properties of 2D materials has constituted a new wave of research, which lead these materials to enormous applications ranging from optoelectronics to healthcare systems. Due to the profusion of surface terminated functionalities, MXenes have become an emerging class of 2D materials that can be easily integrated with other materials. The versatility of MXenes allows to tune their finest material properties for further device applications. This review initiates with the classification of preparation methods of MXenes, where the authors elaborate on the significance of top-down approaches including the exfoliation of solid layers. Next, the focus is diverted toward the materials analysis of MXenes including their terminations analysis as well as their intriguing electrical and mechanical behaviors through scanning probe microscopy. Finally, critical challenges and perspectives for MXenes analysis and applications are explored and discussed. Therefore, this comprehensive review can encourage researchers, and offer a precise direction to employ MXenes in various applications.
Collapse
Affiliation(s)
- Sanjay Sahare
- Instiute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
- Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Provence, College of Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Prachi Ghoderao
- Instiute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
| | - Peng Yin
- School of Information Communication, National University of Defense Technology, Changsha, 410073, China
| | - Awais Siddique Saleemi
- Instiute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
- Department of Physics, Knowledge Unit of Science, University Management & Technology, Sialkot Campus, Sialkot, 51311, Pakistan
| | - Shern-Long Lee
- Instiute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
| | - Yue Chan
- Instiute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
| | - Han Zhang
- Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Provence, College of Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| |
Collapse
|
15
|
Ding G, Chen RS, Xie P, Yang B, Shang G, Liu Y, Gao L, Mo WA, Zhou K, Han ST, Zhou Y. Filament Engineering of Two-Dimensional h-BN for a Self-Power Mechano-Nociceptor System. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200185. [PMID: 35218611 DOI: 10.1002/smll.202200185] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/04/2022] [Indexed: 06/14/2023]
Abstract
The switching variability caused by intrinsic stochasticity of the ionic/atomic motions during the conductive filaments (CFs) formation process largely limits the applications of diffusive memristors (DMs), including artificial neurons, neuromorphic computing and artificial sensory systems. In this study, a DM device with improved device uniformity based on well-crystallized two-dimensional (2D) h-BN, which can restrict the CFs formation from three to two dimensions due to the high migration barrier of Ag+ between h-BN interlayer, is developed. The BN-DM has potential arrayable feature with high device yield of 88%, which can be applied for building a reservoir computing system for digital pattern recognition with high accuracy rate of 96%, and used as an artificial nociceptor to sense the external noxious stimuli and mimic the important biological nociceptor properties. By connecting the BN-DM to a self-made triboelectric nanogenerator (TENG), a self-power mechano-nociceptor system, which can successfully mimic the important nociceptor features of "threshold", "relaxation" and "allodynia" is designed.
Collapse
Affiliation(s)
- Guanglong Ding
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Ruo-Si Chen
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
- Shenzhen Key Laboratory of Flexible Memory Materials and Devices, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Peng Xie
- Shenzhen Key Laboratory of Flexible Memory Materials and Devices, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Baidong Yang
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
- Shenzhen Key Laboratory of Flexible Memory Materials and Devices, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Gang Shang
- Shenzhen Key Laboratory of Flexible Memory Materials and Devices, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Yang Liu
- Shenzhen Key Laboratory of Flexible Memory Materials and Devices, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Lili Gao
- Shenzhen Key Laboratory of Flexible Memory Materials and Devices, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Wen-Ai Mo
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
- Shenzhen Key Laboratory of Flexible Memory Materials and Devices, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Kui Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Su-Ting Han
- Shenzhen Key Laboratory of Flexible Memory Materials and Devices, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Ye Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| |
Collapse
|
16
|
Arole K, Blivin JW, Saha S, Holta DE, Zhao X, Sarmah A, Cao H, Radovic M, Lutkenhaus JL, Green MJ. Water-dispersible Ti3C2Tz MXene nanosheets by molten salt etching. iScience 2021; 24:103403. [PMID: 34849467 PMCID: PMC8607195 DOI: 10.1016/j.isci.2021.103403] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 09/29/2021] [Accepted: 11/03/2021] [Indexed: 11/23/2022] Open
Abstract
Molten-salt etching of Ti3AlC2 MAX phase offers a promising route to produce 2D Ti3C2Tz (MXene) nanosheets without hazardous HF. However, molten-salt etching results in MXene clays that are not water dispersible, thus preventing further processing. This occurs because molten-salt etching results in a lack of -OH terminal groups rendering the MXene clay hydrophobic. Here, we demonstrate a method that produces water-dispersible Ti3C2Tz nanosheets using molten salt (SnF2) to etch. In molten salt etching, SnF2 diffuses between the layers to form AlF3 and Sn as byproducts, separating the layers. The stable, aqueous Ti3C2Tz dispersion yields a ζ potential of -31.7 mV, because of -OH terminal groups introduced by KOH washing. X-ray diffraction and electron microscopy confirm the formation of Ti3C2Tz etched clay with substantial d-spacing as compared with clay etched with HF. This work is the first to use molten salt etching to successfully prepare colloidally stable aqueous dispersions of Ti3C2Tz nanosheets.
Collapse
Affiliation(s)
- Kailash Arole
- Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Jackson W. Blivin
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Sanjit Saha
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Dustin E. Holta
- Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Xiaofei Zhao
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Anubhav Sarmah
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Huaixuan Cao
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Miladin Radovic
- Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Jodie L. Lutkenhaus
- Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77843, USA
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Micah J. Green
- Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77843, USA
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA
| |
Collapse
|
17
|
Kan D, Wang D, Cheng Y, Lian R, Sun B, Chen K, Huo W, Wang Y, Chen G, Wei Y. Designing of Efficient Bifunctional ORR/OER Pt Single-Atom Catalysts Based on O-Terminated MXenes by First-Principles Calculations. ACS APPLIED MATERIALS & INTERFACES 2021; 13:52508-52518. [PMID: 34699189 DOI: 10.1021/acsami.1c12893] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
MXenes have been used as substrate materials for single-atom catalysts (SACs) due to their unique two-dimensional (2D) structure, high surface area, and high electronic conductivity. Oxygen is the primary terminating group of MXenes; however, all of the reported Pt SACs till now are fabricated with F-terminated MXenes. According to the first-principles calculations of this work, the failure of using O-terminated MXenes as substrates is due to the low charge density around Pt and C, which weakens the catalytic activity of Pt. By adjusting the electronic structure of M2C using a second submetal with a lower work function than M, 18 potential bifunctional Pt SACs are constructed based on O-terminated bimetal MXenes. After further consideration of some important practical application factors such as overpotential, solvation effect, and reaction barriers, only four of them, i.e., Cr2Nb2C3O2-VO-Pt, Cr2Ta2C3O2-VO-Pt, Cr2NbC2O2-VO-Pt, and Cr2TaC2O2-VO-Pt, are screened as bifunctional oxygen reduction reaction/oxygen evolution reaction (ORR/OER) catalysts. All of these screened SACs are originated from Cr-based MXenes, implying the significance of Cr-based MXenes in designing bifunctional Pt SACs.
Collapse
Affiliation(s)
- Dongxiao Kan
- Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), Jilin Engineering Laboratory of New Energy Materials and Technology, College of Physics, Jilin University, Changchun 130012, China
- Advanced Materials Research Central, Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China
| | - Dashuai Wang
- Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), Jilin Engineering Laboratory of New Energy Materials and Technology, College of Physics, Jilin University, Changchun 130012, China
| | - Yingjie Cheng
- Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), Jilin Engineering Laboratory of New Energy Materials and Technology, College of Physics, Jilin University, Changchun 130012, China
| | - Ruqian Lian
- Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), Jilin Engineering Laboratory of New Energy Materials and Technology, College of Physics, Jilin University, Changchun 130012, China
| | - Bo Sun
- Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), Jilin Engineering Laboratory of New Energy Materials and Technology, College of Physics, Jilin University, Changchun 130012, China
| | - Kaiyun Chen
- Advanced Materials Research Central, Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China
| | - Wangtu Huo
- Advanced Materials Research Central, Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China
| | - Yizhan Wang
- Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), Jilin Engineering Laboratory of New Energy Materials and Technology, College of Physics, Jilin University, Changchun 130012, China
| | - Gang Chen
- Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), Jilin Engineering Laboratory of New Energy Materials and Technology, College of Physics, Jilin University, Changchun 130012, China
| | - Yingjin Wei
- Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), Jilin Engineering Laboratory of New Energy Materials and Technology, College of Physics, Jilin University, Changchun 130012, China
| |
Collapse
|
18
|
Exploration of 2D Ti 3C 2 MXene for all solution processed piezoelectric nanogenerator applications. Sci Rep 2021; 11:17432. [PMID: 34465806 PMCID: PMC8408174 DOI: 10.1038/s41598-021-96909-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 08/18/2021] [Indexed: 02/07/2023] Open
Abstract
A new 2D titanium carbide (Ti3C2), a low dimensional material of the MXene family has attracted remarkable interest in several electronic applications, but its unique structure and novel properties are still less explored in piezoelectric energy harvesters. Herein, a systematic study has been conducted to examine the role of Ti3C2 multilayers when it is incorporated in the piezoelectric polymer host. The 0.03 g/L of Ti3C2 has been identified as the most appropriate concentration to ensure the optimum performance of the fabricated device with a generated output voltage of about 6.0 V. The probable reasons might be due to the uniformity of nanofiller distribution in the polyvinylidene difluoride (PVDF) and the incorporation of Ti3C2 in a polymer matrix is found to enhance the β-phase of PVDF and diminish the undesired α-phase configuration. Low tapping frequency and force were demonstrated to scavenge electrical energy from abundant mechanical energy resources particularly human motion and environmental stimuli. The fabricated device attained a power density of 14 µW.cm-2 at 10.8 MΩ of load resistor which is considerably high among 2D material-based piezoelectric nanogenerators. The device has also shown stable electrical performance for up to 4 weeks and is practically able to store energy in a capacitor and light up a LED. Hence, the Ti3C2-based piezoelectric nanogenerator suggests the potential to realize the energy harvesting application for low-power electronic devices.
Collapse
|
19
|
Guo L, Mu B, Li MZ, Yang B, Chen RS, Ding G, Zhou K, Liu Y, Kuo CC, Han ST, Zhou Y. Stacked Two-Dimensional MXene Composites for an Energy-Efficient Memory and Digital Comparator. ACS APPLIED MATERIALS & INTERFACES 2021; 13:39595-39605. [PMID: 34378376 DOI: 10.1021/acsami.1c11014] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Two-dimensional MXene has enormous potential for application in industry and academia owing to its surface hydrophilicity and excellent electrochemical properties. However, the application of MXene in optoelectronic memory and logical computing is still facing challenges. In this study, an optoelectronic resistive random access memory (RRAM) based on silver nanoparticles (Ag NPs)@MXene-TiO2 nanosheets (AMT) was prepared through a low-cost and facile hydrothermal oxidation process. The fabricated device exhibited a typical bipolar switching behavior and controllable SET voltage. Furthermore, we successfully demonstrated a 4-bit in-memory digital comparator with AMT RRAMs, which can replace five logic gates in a traditional approach. The AMT-based digital comparator may open the door for future integrated functions and applications in optoelectronic data storage and simplify the complex logic operations.
Collapse
Affiliation(s)
- Liangchao Guo
- Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, P. R. China
| | - Boyuan Mu
- Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, P. R. China
| | - Ming-Zheng Li
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, P. R. China
| | - Baidong Yang
- Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, P. R. China
| | - Ruo-Si Chen
- Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, P. R. China
| | - Guanglong Ding
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, P. R. China
| | - Kui Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, P. R. China
| | - Yanhua Liu
- Shanghai Institute of Space Power-Sources, Shanghai 200245, P. R. China
| | - Chi-Ching Kuo
- Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Su-Ting Han
- Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, P. R. China
| | - Ye Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, P. R. China
| |
Collapse
|
20
|
Gong Y, Xing X, Wang Y, Lv Z, Zhou Y, Han ST. Emerging MXenes for Functional Memories. SMALL SCIENCE 2021. [DOI: 10.1002/smsc.202100006] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Affiliation(s)
- Yue Gong
- Institute of Microscale Optoelectronics Shenzhen University Shenzhen 518060 P. R. China
| | - Xuechao Xing
- Institute of Microscale Optoelectronics Shenzhen University Shenzhen 518060 P. R. China
| | - Yan Wang
- Institute of Microscale Optoelectronics Shenzhen University Shenzhen 518060 P. R. China
| | - Ziyu Lv
- Institute of Microscale Optoelectronics Shenzhen University Shenzhen 518060 P. R. China
| | - Ye Zhou
- Institute for Advanced Study Shenzhen University Shenzhen 518060 P. R. China
| | - Su-Ting Han
- Institute of Microscale Optoelectronics Shenzhen University Shenzhen 518060 P. R. China
| |
Collapse
|
21
|
Zeng T, Yang Z, Liang J, Lin Y, Cheng Y, Hu X, Zhao X, Wang Z, Xu H, Liu Y. Flexible and transparent memristive synapse based on polyvinylpyrrolidone/N-doped carbon quantum dot nanocomposites for neuromorphic computing. NANOSCALE ADVANCES 2021; 3:2623-2631. [PMID: 36134157 PMCID: PMC9419774 DOI: 10.1039/d1na00152c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 03/28/2021] [Indexed: 05/19/2023]
Abstract
Memristive devices are widely recognized as promising hardware implementations of neuromorphic computing. Herein, a flexible and transparent memristive synapse based on polyvinylpyrrolidone (PVP)/N-doped carbon quantum dot (NCQD) nanocomposites through regulating the NCQD doping concentration is reported. In situ Kelvin probe force microscopy showed that the trapping/detrapping of space charge can account for the memristive mechanism of the device. Diverse synaptic functions, including excitatory postsynaptic current (EPSC), paired-pulse facilitation (PPF), spike-timing-dependent plasticity (STDP), and the transition from short-term plasticity (STP) to long-term plasticity (LTP), are emulated, enabling the PVP-NCQD hybrid system to be a valuable candidate for the design of novel artificial neural architectures. In addition, the synaptic device showed excellent flexibility against mechanical strain after repeated bending tests. This work provides a new approach to develop flexible and transparent organic artificial synapses for future wearable neuromorphic computing systems.
Collapse
Affiliation(s)
- Tao Zeng
- Key Laboratory for UV Light-Emitting Materials and Technology (Northeast Normal University), Ministry of Education 5268 Renmin Street Changchun P. R. China
| | - Zhi Yang
- Key Laboratory for UV Light-Emitting Materials and Technology (Northeast Normal University), Ministry of Education 5268 Renmin Street Changchun P. R. China
| | - Jiabing Liang
- Key Laboratory for UV Light-Emitting Materials and Technology (Northeast Normal University), Ministry of Education 5268 Renmin Street Changchun P. R. China
| | - Ya Lin
- Key Laboratory for UV Light-Emitting Materials and Technology (Northeast Normal University), Ministry of Education 5268 Renmin Street Changchun P. R. China
| | - Yankun Cheng
- Key Laboratory for UV Light-Emitting Materials and Technology (Northeast Normal University), Ministry of Education 5268 Renmin Street Changchun P. R. China
| | - Xiaochi Hu
- Key Laboratory for UV Light-Emitting Materials and Technology (Northeast Normal University), Ministry of Education 5268 Renmin Street Changchun P. R. China
| | - Xiaoning Zhao
- Key Laboratory for UV Light-Emitting Materials and Technology (Northeast Normal University), Ministry of Education 5268 Renmin Street Changchun P. R. China
| | - Zhongqiang Wang
- Key Laboratory for UV Light-Emitting Materials and Technology (Northeast Normal University), Ministry of Education 5268 Renmin Street Changchun P. R. China
| | - Haiyang Xu
- Key Laboratory for UV Light-Emitting Materials and Technology (Northeast Normal University), Ministry of Education 5268 Renmin Street Changchun P. R. China
| | - Yichun Liu
- Key Laboratory for UV Light-Emitting Materials and Technology (Northeast Normal University), Ministry of Education 5268 Renmin Street Changchun P. R. China
| |
Collapse
|
22
|
Liu B, Zhao Y, Verma D, Wang LA, Liang H, Zhu H, Li LJ, Hou TH, Lai CS. Bi 2O 2Se-Based Memristor-Aided Logic. ACS APPLIED MATERIALS & INTERFACES 2021; 13:15391-15398. [PMID: 33723989 DOI: 10.1021/acsami.1c00177] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The implementation of two-dimensional materials into memristor architectures has recently been a new research focus by taking advantage of their atomic thickness, unique lattice, and physical and electronic properties. Among the van der Waals family, Bi2O2Se is an emerging ternary two-dimensional layered material with ambient stability, suitable band structure, and high conductivity that exhibits high potential for use in electronic applications. In this work, we propose and experimentally demonstrate a Bi2O2Se-based memristor-aided logic. By carefully tuning the electric field polarity of Bi2O2Se through a Pd contact, a reconfigurable NAND gate with zero static power consumption is realized. To provide more knowledge on NAND operation, a kinetic Monte Carlo simulation is carried out. Because the NAND gate is a universal logic gate, cascading additional NAND gates can exhibit versatile logic functions. Therefore, the proposed Bi2O2Se-based MAGIC can be a promising building block for developing next-generation in-memory logic computers with multiple functions.
Collapse
Affiliation(s)
- Bo Liu
- Faculty of Information Technology, College of Microelectronics, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Yudi Zhao
- School of Information and Communication Engineering, Beijing Information Science & Technology University, Beijing 100101, China
| | - Dharmendra Verma
- Department of Electronic Engineering, Chang Gung University, Guishan Dist., Taoyuan 33302, Taiwan
| | - Le An Wang
- Faculty of Information Technology, College of Microelectronics, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Hanyuan Liang
- School of Electrical Engineering and Computer Science, The Pennsylvania State University, 207 Electrical Engineering West, University Park Pennsylvania 16801, United States
| | - Hui Zhu
- Faculty of Information Technology, College of Microelectronics, Beijing University of Technology, Beijing 100124, People's Republic of China
| | - Lain-Jong Li
- Department of Electronic Engineering, Chang Gung University, Guishan Dist., Taoyuan 33302, Taiwan
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong Island 999077, Hong Kong
| | - Tuo-Hung Hou
- Department of Electronics Engineering and Institute of Electronics, National Chiao Tung University, Hsinchu 300, Taiwan
| | - Chao-Sung Lai
- Department of Electronic Engineering, Chang Gung University, Guishan Dist., Taoyuan 33302, Taiwan
- Artificial Intelligence and Green Technology Research Center, Chang Gung University, Guishan Dist., Taoyuan 33302, Taiwan
- Department of Nephrology, Chang Gung Memorial Hospital, Guishan Dist., Linkou 33305, Taiwan
- Department of Materials Engineering, Ming Chi University of Technology, Taishan Dist., New Taipei City 24301, Taiwan
| |
Collapse
|
23
|
Allen-Perry K, Straka W, Keith D, Han S, Reynolds L, Gautam B, Autrey DE. Tuning the Magnetic Properties of Two-Dimensional MXenes by Chemical Etching. MATERIALS (BASEL, SWITZERLAND) 2021; 14:694. [PMID: 33540805 PMCID: PMC7867348 DOI: 10.3390/ma14030694] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 01/28/2021] [Accepted: 01/30/2021] [Indexed: 11/17/2022]
Abstract
Two-dimensional materials based on transition metal carbides have been intensively studied due to their unique properties including metallic conductivity, hydrophilicity and structural diversity and have shown a great potential in several applications, for example, energy storage, sensing and optoelectronics. While MXenes based on magnetic transition elements show interesting magnetic properties, not much is known about the magnetic properties of titanium-based MXenes. Here, we measured the magnetic properties of Ti3C2Tx MXenes synthesized by different chemical etching conditions such as etching temperature and time. Our magnetic measurements were performed in a superconducting quantum interference device (SQUID) vibrating sample. These data suggest that there is a paramagnetic-antiferromagnetic (PM-AFM) phase transition and the transition temperature depends on the synthesis procedure of MXenes. Our observation indicates that the magnetic properties of these MXenes can be tuned by the extent of chemical etching, which can be beneficial for the design of MXenes-based spintronic devices.
Collapse
Affiliation(s)
- Kemryn Allen-Perry
- Department of Chemistry, Physics and Materials Science, Fayetteville State University, Fayetteville, NC 28301, USA; (K.A.-P.); (D.K.); (S.H.); (B.G.)
| | - Weston Straka
- Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695, USA; (W.S.); (L.R.)
| | - Danielle Keith
- Department of Chemistry, Physics and Materials Science, Fayetteville State University, Fayetteville, NC 28301, USA; (K.A.-P.); (D.K.); (S.H.); (B.G.)
| | - Shubo Han
- Department of Chemistry, Physics and Materials Science, Fayetteville State University, Fayetteville, NC 28301, USA; (K.A.-P.); (D.K.); (S.H.); (B.G.)
| | - Lewis Reynolds
- Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695, USA; (W.S.); (L.R.)
| | - Bhoj Gautam
- Department of Chemistry, Physics and Materials Science, Fayetteville State University, Fayetteville, NC 28301, USA; (K.A.-P.); (D.K.); (S.H.); (B.G.)
| | - Daniel E. Autrey
- Department of Chemistry, Physics and Materials Science, Fayetteville State University, Fayetteville, NC 28301, USA; (K.A.-P.); (D.K.); (S.H.); (B.G.)
| |
Collapse
|
24
|
Sundaram A, Francis BM, Dhanabalan SC, Ponraj JS. Transition metal carbide—MXene. HANDBOOK OF CARBON-BASED NANOMATERIALS 2021:671-709. [DOI: 10.1016/b978-0-12-821996-6.00017-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
|
25
|
Wang TY, Meng JL, He ZY, Chen L, Zhu H, Sun QQ, Ding SJ, Zhou P, Zhang DW. Room-temperature developed flexible biomemristor with ultralow switching voltage for array learning. NANOSCALE 2020; 12:9116-9123. [PMID: 32292983 DOI: 10.1039/d0nr00919a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
As one of the emerging neuromorphic computing devices, memristors may break through the limitation of traditional computers with a von Neumann architecture. However, the development of flexible memristors is limited by the high-temperature fabrication process, large operating voltage and non-uniform distribution of resistance. The room-temperature process has attracted great attention due to its advantages of low thermal dissipation, low cost and excellent compatibility with flexible electronics. Here, we proposed a fully physical vapour deposition (PVD) process for fabricating a memristor without additional heat treatment. The device showed excellent resistive switching characteristics with ultralow set/reset voltages (0.48 V/-0.39 V), uniform distribution (10%/15%), stable retention characteristic, multilevel storage behavior and reliable flexibility (radius of 10 mm). With continuously modulated conductance, typical synaptic plasticities were simulated by our flexible biomemristor, including excitatory post-synaptic current (EPSC), paired-pulse facilitation (PPF), long-term potentiation/depression (LTP/LTD) and learning-forgetting curve. Furthermore, the array learning behavior like that of the human brain was simulated with these trainable biomemristors. This study paves a new way for developing low-cost, wearable, neuromorphic computing electronics at room temperature and expands the applications of artificial synapse arrays.
Collapse
Affiliation(s)
- Tian-Yu Wang
- State Key Laboratory of ASIC and System, School of Microelectronics, Fudan University, Shanghai 200433, China.
| | | | | | | | | | | | | | | | | |
Collapse
|
26
|
Sun WJ, Zhao YY, Cheng XF, He JH, Lu JM. Surface Functionalization of Single-Layered Ti 3C 2T x MXene and Its Application in Multilevel Resistive Memory. ACS APPLIED MATERIALS & INTERFACES 2020; 12:9865-9871. [PMID: 32009386 DOI: 10.1021/acsami.9b16979] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
MXenes are a new type of two-dimensional material, and they have attracted extensive attention because of their outstanding conductivity and rich surface functional groups that make surface engineering easy and possible for adapting to diverse applications. However, there are scarce studies on surface engineering of MXene. Herein, we demonstrate for the first time that octylphosphonic acid-modified Ti3C2Tx MXene can be used as an active layer for memory devices and exhibits stable ternary memory behavior. Low threshold voltage, steady retention time, clearly distinguishable resistance states, high ON/OFF rate, OFF/ON1/ON2 = 1:102.7:104.1, and considerable ternary yield (58%) were obtained. In the proof of the mechanism, in situ conductive atomic force microscopy was conducted and the electrode-area relationship was analyzed to demonstrate that charge trapping and filament conduction are more suitable in the nonvolatile information memory of Ti3C2Tx-OP MXene devices. In addition, a polyethylene-terephthalate-based flexible Ti3C2Tx-OP memory device can maintain its stable ternary memory performance after being bent 5000 times. This work provides an easy method for surface modification of MXene and broadens the field of MXene.
Collapse
Affiliation(s)
- Wu-Ji Sun
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Materials , Soochow University , Suzhou 215123 , P. R. China
| | - Yong-Yan Zhao
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Materials , Soochow University , Suzhou 215123 , P. R. China
| | - Xue-Feng Cheng
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Materials , Soochow University , Suzhou 215123 , P. R. China
| | - Jing-Hui He
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Materials , Soochow University , Suzhou 215123 , P. R. China
| | - Jian-Mei Lu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Materials , Soochow University , Suzhou 215123 , P. R. China
| |
Collapse
|
27
|
Li H, Wang R, Han S, Zhou Y. Ferroelectric polymers for non‐volatile memory devices: a review. POLYM INT 2020. [DOI: 10.1002/pi.5980] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Huilin Li
- Institute of Microscale Optoelectronics, Shenzhen University Shenzhen PR China
- Henan Key Laboratory of Photovoltaic MaterialsHenan University Kaifeng PR China
| | - Ruopeng Wang
- College of Electronics and Information EngineeringShenzhen University Shenzhen PR China
| | - Su‐Ting Han
- Institute of Microscale Optoelectronics, Shenzhen University Shenzhen PR China
| | - Ye Zhou
- Institute for Advanced Study, Shenzhen University Shenzhen PR China
| |
Collapse
|
28
|
Wang Y, Ding G, Mao JY, Zhou Y, Han ST. Recent advances in synthesis and application of perovskite quantum dot based composites for photonics, electronics and sensors. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2020; 21:278-302. [PMID: 32537034 PMCID: PMC7269082 DOI: 10.1080/14686996.2020.1752115] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 04/03/2020] [Accepted: 04/03/2020] [Indexed: 05/19/2023]
Abstract
In recent years, halide perovskite quantum dots (HP-QDs) based composites have been widely developed and used in various applications owing to their unique photonic, electronic and mechanical properties, as well as high stability to water, oxygen, heat and illumination. Remarkable efforts have been made in the synthesis and applications of these materials in photonics, electronics, sensors and other fields. Besides these topics, we also cover enhancement of optoelectronic properties as well as chemical, thermal and photostability of HP-QDs-based composites. We hope this review will promote both the development and applications of perovskite-based materials.
Collapse
Affiliation(s)
- Yaxin Wang
- Institute for Advanced Study, Shenzhen University, Shenzhen, P. R. China
| | - Guanglong Ding
- Institute for Advanced Study, Shenzhen University, Shenzhen, P. R. China
| | - Jing-Yu Mao
- Institute for Advanced Study, Shenzhen University, Shenzhen, P. R. China
| | - Ye Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen, P. R. China
| | - Su-Ting Han
- Shenzhen Key Laboratory of Flexible Memory Materials and Devices, Institute of Microscale Optoelectronics (IMO), Shenzhen University, Shenzhen, P. R. China
- CONTACT Su-Ting Han Shenzhen Key Laboratory of Flexible Memory Materials and Devices, Institute of Microscale Optoelectronics (IMO), Shenzhen University, Shenzhen518060, P. R. China
| |
Collapse
|
29
|
Xia C, Liu C, Zhou F, Gu P, Li H, He J, Li Y, Xu Q, Lu J. Tunable Electronic Memory Performances Based on Poly(Triphenylamine) and Its Metal Complex via a SuFEx Click Reaction. Chem Asian J 2019; 14:4296-4302. [DOI: 10.1002/asia.201901234] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 10/14/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Chenyu Xia
- College of ChemistryChemical Engineering and Materials ScienceCollaborative Innovation Center of Suzhou Nano Science and TechnologyNational Center for International ResearchSoochow University Suzhou 215123 P. R. China
| | - Cheng Liu
- Institute of Functional Nano & Soft Materials Laboratory (FUNSOM)Jiangsu Key Laboratory for Carbon-Based Functional MaterialsSoochow University Suzhou 215123 P. R. China
| | - Feng Zhou
- College of ChemistryChemical Engineering and Materials ScienceCollaborative Innovation Center of Suzhou Nano Science and TechnologyNational Center for International ResearchSoochow University Suzhou 215123 P. R. China
| | - Peiyang Gu
- College of ChemistryChemical Engineering and Materials ScienceCollaborative Innovation Center of Suzhou Nano Science and TechnologyNational Center for International ResearchSoochow University Suzhou 215123 P. R. China
| | - Hua Li
- College of ChemistryChemical Engineering and Materials ScienceCollaborative Innovation Center of Suzhou Nano Science and TechnologyNational Center for International ResearchSoochow University Suzhou 215123 P. R. China
| | - Jinghui He
- College of ChemistryChemical Engineering and Materials ScienceCollaborative Innovation Center of Suzhou Nano Science and TechnologyNational Center for International ResearchSoochow University Suzhou 215123 P. R. China
| | - Youyong Li
- Institute of Functional Nano & Soft Materials Laboratory (FUNSOM)Jiangsu Key Laboratory for Carbon-Based Functional MaterialsSoochow University Suzhou 215123 P. R. China
| | - Qingfeng Xu
- College of ChemistryChemical Engineering and Materials ScienceCollaborative Innovation Center of Suzhou Nano Science and TechnologyNational Center for International ResearchSoochow University Suzhou 215123 P. R. China
| | - Jianmei Lu
- College of ChemistryChemical Engineering and Materials ScienceCollaborative Innovation Center of Suzhou Nano Science and TechnologyNational Center for International ResearchSoochow University Suzhou 215123 P. R. China
| |
Collapse
|
30
|
Gu C, Mao HW, Tao WQ, Zhou Z, Wang XJ, Tan P, Cheng S, Huang W, Sun LB, Liu XQ, Liu JQ. Facile Synthesis of Ti 3C 2T x-Poly(vinylpyrrolidone) Nanocomposites for Nonvolatile Memory Devices with Low Switching Voltage. ACS APPLIED MATERIALS & INTERFACES 2019; 11:38061-38067. [PMID: 31535551 DOI: 10.1021/acsami.9b13711] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
MXenes, an emerging class of two-dimensional (2D) transition-metal carbide materials, have received increasing attention for their interesting physiochemical properties. For not only MXenes but also other 2D materials, delamination is a requisite step for the exploitation of their unique properties. In this work, a facile method for exfoliating Ti3C2Tx MXene to nanosheets of small size with the aid of poly(vinylpyrrolidone) (PVP) is designed, which has never been reported to our knowledge. Since both hydrophobic methylene groups and hydrophilic amide groups are provided with PVP, this method is applicable in a wide range of solvents, such as ethanol, water, and chloroform. Considering the charge detrapping and trapping behavior of 2D transition-metal materials in PVP dielectric, a memory device with the configuration of reduced graphene oxide (rGO)/Ti3C2Tx-PVP/Au is directly fabricated with these well-dispersed Ti3C2Tx-PVP composites by the solution process technique. Interestingly, the resultant device exhibits a typical bistable electrical switching, ultralow switching voltage (∼0.9 V), and a nonvolatile rewritable memory effect with the function of flash. This work might pave the way of using MXenes for future data storage, which is an indispensable field nowadays.
Collapse
Affiliation(s)
- Chen Gu
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Chemical Engineering , Nanjing Tech University , Nanjing 211816 , China
| | - Hui-Wu Mao
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University , Nanjing 210009 , China
| | - Wei-Qiang Tao
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Chemical Engineering , Nanjing Tech University , Nanjing 211816 , China
| | - Zhe Zhou
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University , Nanjing 210009 , China
| | - Xiang-Jing Wang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University , Nanjing 210009 , China
| | - Peng Tan
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Chemical Engineering , Nanjing Tech University , Nanjing 211816 , China
| | - Shuai Cheng
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University , Nanjing 210009 , China
| | - Wei Huang
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Chemical Engineering , Nanjing Tech University , Nanjing 211816 , China
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University , Nanjing 210009 , China
- Shaanxi Institute of Flexible Electronics (SIFE) , Northwestern Polytechnical University (NPU) , Xi'an 710072 , China
| | - Lin-Bing Sun
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Chemical Engineering , Nanjing Tech University , Nanjing 211816 , China
| | - Xiao-Qin Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Chemical Engineering , Nanjing Tech University , Nanjing 211816 , China
| | - Ju-Qing Liu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University , Nanjing 210009 , China
| |
Collapse
|
31
|
Lee SH, Park HL, Kim MH, Kang S, Lee SD. Interfacial Triggering of Conductive Filament Growth in Organic Flexible Memristor for High Reliability and Uniformity. ACS APPLIED MATERIALS & INTERFACES 2019; 11:30108-30115. [PMID: 31364349 DOI: 10.1021/acsami.9b10491] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We demonstrate the physical pictures of the localization of the conductive filaments (CFs) growth in flexible electrochemical metallization (ECM) memristors through an interfacial triggering (IT) into the polymer electrolyte. The IT sites (ITSs), capable of controlling the pathways of the CF growth, are formed at the electrode-polymer interfaces via the Ostwald ripening at low temperatures (below 230 °C). The injection and migration of metal ions and the resultant CF growth are found to be effectively controlled through the ITSs with the local electric field enhancement. The reliability, uniformity, and switching voltage of the device are much improved by the presence of the ITSs. Our flexible ECM memristor exhibits a high mechanical flexibility and a stable memory performance under repeated bending deformations.
Collapse
Affiliation(s)
- Sin-Hyung Lee
- School of Electrical Engineering , Seoul National University , 1 Gwanak-ro , Gwanak-ku, Seoul 08826 , Republic of Korea
| | - Hea-Lim Park
- School of Electrical Engineering , Seoul National University , 1 Gwanak-ro , Gwanak-ku, Seoul 08826 , Republic of Korea
| | - Min-Hoi Kim
- Department of Creative Convergence Engineering , Hanbat National University , Yuseong-ku, Daejeon 305-719 , Republic of Korea
| | - Sujie Kang
- School of Electrical Engineering , Seoul National University , 1 Gwanak-ro , Gwanak-ku, Seoul 08826 , Republic of Korea
| | - Sin-Doo Lee
- School of Electrical Engineering , Seoul National University , 1 Gwanak-ro , Gwanak-ku, Seoul 08826 , Republic of Korea
| |
Collapse
|