1
|
Dai Y, He Q, Huang Y, Duan X, Lin Z. Solution-Processable and Printable Two-Dimensional Transition Metal Dichalcogenide Inks. Chem Rev 2024; 124:5795-5845. [PMID: 38639932 DOI: 10.1021/acs.chemrev.3c00791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Two-dimensional (2D) transition metal dichalcogenides (TMDs) with layered crystal structures have been attracting enormous research interest for their atomic thickness, mechanical flexibility, and excellent electronic/optoelectronic properties for applications in diverse technological areas. Solution-processable 2D TMD inks are promising for large-scale production of functional thin films at an affordable cost, using high-throughput solution-based processing techniques such as printing and roll-to-roll fabrications. This paper provides a comprehensive review of the chemical synthesis of solution-processable and printable 2D TMD ink materials and the subsequent assembly into thin films for diverse applications. We start with the chemical principles and protocols of various synthesis methods for 2D TMD nanosheet crystals in the solution phase. The solution-based techniques for depositing ink materials into solid-state thin films are discussed. Then, we review the applications of these solution-processable thin films in diverse technological areas including electronics, optoelectronics, and others. To conclude, a summary of the key scientific/technical challenges and future research opportunities of solution-processable TMD inks is provided.
Collapse
Affiliation(s)
- Yongping Dai
- Department of Chemistry, Engineering Research Center of Advanced Rare Earth Materials (Ministry of Education), Tsinghua University, Beijing 100084, China
| | - Qiyuan He
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 99907, China
| | - Yu Huang
- Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Xiangfeng Duan
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Zhaoyang Lin
- Department of Chemistry, Engineering Research Center of Advanced Rare Earth Materials (Ministry of Education), Tsinghua University, Beijing 100084, China
| |
Collapse
|
2
|
Milligan G, Yao ZF, Cordova DLM, Tong B, Arguilla MQ. Single Quasi-1D Chains of Sb 2Se 3 Encapsulated within Carbon Nanotubes. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2024; 36:730-741. [PMID: 38282683 PMCID: PMC10809716 DOI: 10.1021/acs.chemmater.3c02114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/30/2024]
Abstract
The realization of stable monolayers from 2D van der Waals (vdW) solids has fueled the search for exfoliable crystals with even lower dimensionalities. To this end, 1D and quasi-1D (q-1D) vdW crystals comprising weakly bound subnanometer-thick chains have been discovered and demonstrated to exhibit nascent physics in the bulk. Although established micromechanical and liquid-phase exfoliation methods have been applied to access single isolated chains from bulk crystals, interchain vdW interactions with nonequivalent strengths have greatly hindered the ability to achieve uniform single isolated chains. Here, we report that encapsulation of the model q-1D vdW crystal, Sb2Se3, within single-walled carbon nanotubes (CNTs) circumvents the relatively stronger c-axis vdW interactions between the chains and allows for the isolation of single chains with structural integrity. High-resolution transmission electron microscopy and selected area electron diffraction studies of the Sb2Se3@CNT heterostructure revealed that the structure of the [Sb4Se6]n chain is preserved, enabling us to systematically probe the size-dependent properties of Sb2Se3 from the bulk down to a single chain. We show that ensembles of the [Sb4Se6]n chains within CNTs display Raman confinement effects and an emergent band-like absorption onset around 600 nm, suggesting a strong blue shift of the near-infrared band gap of Sb2Se3 into the visible range upon encapsulation. First-principles density functional theory calculations further provided qualitative insight into the structures and interactions that could manifest in the Sb2Se3@CNT heterostructure. Spatial visualization of the calculated electron density difference map of the heterostructure indicated a minimal degree of electron donation from the host CNT to the guest [Sb4Se6]n chain. Altogether, this model system demonstrates that 1D and q-1D vdW crystals with strongly anisotropic vdW interactions can be precisely studied by encapsulation within CNTs with suitable diameters, thereby opening opportunities in understanding dimension-dependent properties of a plethora of emergent vdW solids at or approaching the subnanometer regime.
Collapse
Affiliation(s)
- Griffin
M. Milligan
- Department
of Chemistry, University of California Irvine, Irvine, California 92697, United States
| | - Ze-Fan Yao
- Department
of Chemistry, University of California Irvine, Irvine, California 92697, United States
- Department
of Chemical and Biomolecular Engineering, University of California Irvine, Irvine, California 92697, United States
| | | | - Baixin Tong
- Department
of Chemistry, University of California Irvine, Irvine, California 92697, United States
| | - Maxx Q. Arguilla
- Department
of Chemistry, University of California Irvine, Irvine, California 92697, United States
| |
Collapse
|
3
|
Nakamoto T, Matsuyama K, Sakai M, Chen CT, Cheuch YL, Mouri S, Yoshimura T, Fujimura N, Kiriya D. Selective Isolation of Mono- to Quadlayered 2D Materials via Sonication-Assisted Micromechanical Exfoliation. ACS NANO 2024; 18:2455-2463. [PMID: 38196098 DOI: 10.1021/acsnano.3c11099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2024]
Abstract
Mechanical exfoliation methods of two-dimensional materials have been an essential process for advanced devices and fundamental sciences. However, the exfoliation method usually generates various thick flakes, and a bunch of thick bulk flakes usually covers an entire substrate. Here, we developed a method to selectively isolate mono- to quadlayers of transition metal dichalcogenides (TMDCs) by sonication in organic solvents. The analysis reveals the importance of low interface energies between solvents and TMDCs, leading to the effective removal of bulk flakes under sonication. Importantly, a monolayer adjacent to bulk flakes shows cleavage at the interface, and the monolayer can be selectively isolated on the substrate. This approach can extend to preparing a monolayer device with crowded 17 electrode fingers surrounding the monolayer and for the measurement of electrostatic device performance.
Collapse
Affiliation(s)
- Tatsuya Nakamoto
- Department of Physics and Electronics, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai-shi, Osaka 599-8531, Japan
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Keigo Matsuyama
- Department of Physics and Electronics, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai-shi, Osaka 599-8531, Japan
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Masahiro Sakai
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Chieh-Ting Chen
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Yu-Lun Cheuch
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Shinichiro Mouri
- College of Science and Engineering, Ritsumeikan University, Nojihigashi 1-1-1, Kusatsu, Shiga 525-8577, Japan
| | - Takeshi Yoshimura
- Department of Physics and Electronics, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai-shi, Osaka 599-8531, Japan
| | - Norifumi Fujimura
- Department of Physics and Electronics, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai-shi, Osaka 599-8531, Japan
| | - Daisuke Kiriya
- Department of Physics and Electronics, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai-shi, Osaka 599-8531, Japan
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
| |
Collapse
|
4
|
Cordova DM, Chua K, Huynh RM, Aoki T, Arguilla MQ. Anisotropy-Driven Crystallization of Dimensionally Resolved Quasi-1D Van der Waals Nanostructures. J Am Chem Soc 2023; 145:22413-22424. [PMID: 37713247 PMCID: PMC10591320 DOI: 10.1021/jacs.3c05887] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Indexed: 09/16/2023]
Abstract
Unusual behavior in solids emerges from the complex interplay between crystalline order, composition, and dimensionality. In crystals comprising weakly bound one-dimensional (1D) or quasi-1D (q-1D) chains, properties such as charge density waves, topologically protected states, and indirect-to-direct band gap crossovers have been predicted to arise. However, the experimental demonstration of many of these nascent physics in 1D or q-1D van der Waals (vdW) crystals is obscured by the highly anisotropic bonding between the chains, stochasticity of top-down exfoliation, and the lack of synthetic strategies to control bottom-up growth. Herein, we report the directed crystallization of a model q-1D vdW phase, Sb2S3, into dimensionally resolved nanostructures. We demonstrate the uncatalyzed growth of highly crystalline Sb2S3 nanowires, nanoribbons, and quasi-2D nanosheets with thicknesses in the range of 10 to 100 nm from the bottom-up crystallization of [Sb4S6]n chains. We found that dimensionally resolved nanostructures emerge from two distinct chemical vapor growth pathways defined by diverse covalent intrachain and anisotropic vdW interchain interactions and controlled precursor ratios in the vapor phase. At sub-100 nm nanostructure thicknesses, we observe the hardening of phonon modes, blue-shifting of optical band gaps, and the emergence of a new high-energy photoluminescence peak. The directional growth of weakly bound 1D ribbons or chains into well-resolved nanocrystalline morphologies provides opportunities to develop ordered nanostructures and hierarchical assemblies that are suitable for a wide range of optoelectronic and quantum devices.
Collapse
Affiliation(s)
| | - Kenneth Chua
- Department
of Chemistry, University of California Irvine, Irvine, California 92697, United States
| | - Rebecca Mai Huynh
- Department
of Chemistry, University of California Irvine, Irvine, California 92697, United States
| | - Toshihiro Aoki
- Irvine
Materials Research Institute, University
of California Irvine, Irvine, California 92697, United States
| | - Maxx Q. Arguilla
- Department
of Chemistry, University of California Irvine, Irvine, California 92697, United States
| |
Collapse
|
5
|
Giri A, Park G, Jeong U. Layer-Structured Anisotropic Metal Chalcogenides: Recent Advances in Synthesis, Modulation, and Applications. Chem Rev 2023; 123:3329-3442. [PMID: 36719999 PMCID: PMC10103142 DOI: 10.1021/acs.chemrev.2c00455] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The unique electronic and catalytic properties emerging from low symmetry anisotropic (1D and 2D) metal chalcogenides (MCs) have generated tremendous interest for use in next generation electronics, optoelectronics, electrochemical energy storage devices, and chemical sensing devices. Despite many proof-of-concept demonstrations so far, the full potential of anisotropic chalcogenides has yet to be investigated. This article provides a comprehensive overview of the recent progress made in the synthesis, mechanistic understanding, property modulation strategies, and applications of the anisotropic chalcogenides. It begins with an introduction to the basic crystal structures, and then the unique physical and chemical properties of 1D and 2D MCs. Controlled synthetic routes for anisotropic MC crystals are summarized with example advances in the solution-phase synthesis, vapor-phase synthesis, and exfoliation. Several important approaches to modulate dimensions, phases, compositions, defects, and heterostructures of anisotropic MCs are discussed. Recent significant advances in applications are highlighted for electronics, optoelectronic devices, catalysts, batteries, supercapacitors, sensing platforms, and thermoelectric devices. The article ends with prospects for future opportunities and challenges to be addressed in the academic research and practical engineering of anisotropic MCs.
Collapse
Affiliation(s)
- Anupam Giri
- Department of Chemistry, Faculty of Science, University of Allahabad, Prayagraj, UP-211002, India
| | - Gyeongbae Park
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Cheongam-Ro 77, Nam-Gu, Pohang, Gyeongbuk790-784, Korea.,Functional Materials and Components R&D Group, Korea Institute of Industrial Technology, Gwahakdanji-ro 137-41, Sacheon-myeon, Gangneung, Gangwon-do25440, Republic of Korea
| | - Unyong Jeong
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Cheongam-Ro 77, Nam-Gu, Pohang, Gyeongbuk790-784, Korea
| |
Collapse
|
6
|
Ng KL, Maciejewska BM, Qin L, Johnston C, Barrio J, Titirici MM, Tzanakis I, Eskin DG, Porfyrakis K, Mi J, Grobert N. Direct Evidence of the Exfoliation Efficiency and Graphene Dispersibility of Green Solvents toward Sustainable Graphene Production. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2023; 11:58-66. [PMID: 36643002 PMCID: PMC9832534 DOI: 10.1021/acssuschemeng.2c03594] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 11/22/2022] [Indexed: 05/12/2023]
Abstract
Achieving a sustainable production of pristine high-quality graphene and other layered materials at a low cost is one of the bottlenecks that needs to be overcome for reaching 2D material applications at a large scale. Liquid phase exfoliation in conjunction with N-methyl-2-pyrrolidone (NMP) is recognized as the most efficient method for both the exfoliation and dispersion of graphene. Unfortunately, NMP is neither sustainable nor suitable for up-scaling production due to its adverse impact on the environment. Here, we show the real potential of green solvents by revealing the independent contributions of their exfoliation efficiency and graphene dispersibility to the graphene yield. By experimentally separating these two factors, we demonstrate that the exfoliation efficiency of a given solvent is independent of its dispersibility. Our studies revealed that isopropanol can be used to exfoliate graphite as efficiently as NMP. Our finding is corroborated by the matching ratio between the polar and dispersive energies of graphite and that of the solvent surface tension. This direct evidence of exfoliation efficiency and dispersibility of solvents paves the way to developing a deeper understanding of the real potential of sustainable graphene manufacturing at a large scale.
Collapse
Affiliation(s)
- Kai Ling Ng
- Department
of Materials, University of Oxford, Parks Road, OxfordOX1 3 PH, U.K.
| | | | - Ling Qin
- Department
of Engineering, University of Hull, Cottingham Road, HullHU6 7RX, U.K.
| | - Colin Johnston
- Department
of Materials, University of Oxford, Parks Road, OxfordOX1 3 PH, U.K.
| | - Jesus Barrio
- Department
of Chemical Engineering, Imperial College
London, South Kensington Campus, LondonSW7 2AZ, U.K.
| | - Maria-Magdalena Titirici
- Department
of Chemical Engineering, Imperial College
London, South Kensington Campus, LondonSW7 2AZ, U.K.
| | - Iakovos Tzanakis
- School
of Engineering, Computing and Mathematics, Oxford Brookes University, College Cl, Wheatley, OxfordOX33 1HX, U.K.
| | - Dmitry G Eskin
- Brunel
Centre for Advanced Solidification Technology, Brunel University London, Kingston Lane, UxbridgeUB8 3PH, U.K.
| | - Kyriakos Porfyrakis
- Faculty of
Engineering and Science, University of Greenwich, Central Avenue, Chatham Maritime, KentME4 4TB, U.K.
| | - Jiawei Mi
- Department
of Engineering, University of Hull, Cottingham Road, HullHU6 7RX, U.K.
| | - Nicole Grobert
- Department
of Materials, University of Oxford, Parks Road, OxfordOX1 3 PH, U.K.
- Williams
Advanced Engineering, Grove, OxfordshireOX12
0DQ, U.K.
| |
Collapse
|
7
|
Li L, Yu X, Lin Z, Cai Z, Cao Y, Kong W, Xiang Z, Gu Z, Xing X, Duan X, Song Y. Interface Capture Effect Printing Atomic-Thick 2D Semiconductor Thin Films. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2207392. [PMID: 36128664 DOI: 10.1002/adma.202207392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 09/17/2022] [Indexed: 06/15/2023]
Abstract
2D semiconductor crystals offer the opportunity to further extend Moore's law to the atomic scale. For practical and low-cost electronic applications, directly printing devices on substrates is advantageous compared to conventional microfabrication techniques that utilize expensive photolithography, etching, and vacuum-metallization processes. However, the currently printed 2D transistors are plagued by unsatisfactory electrical performance, thick semiconductor layers, and low device density. Herein, a facile and scalable 2D semiconductor printing strategy is demonstrated utilizing the interface capture effect and hyperdispersed 2D nanosheet ink to fabricate high-quality and atomic-thick semiconductor thin-film arrays without additional surfactants. Printed robust thin-film transistors using 2D semiconductors (e.g., MoS2 ) and 2D conductive electrodes (e.g., graphene) exhibit high electrical performance, including a carrier mobility of up to 6.7 cm2 V-1 s-1 and an on/off ratio of 2 × 106 at 25 °C. As a proof of concept, 2D transistors are printed with a density of ≈47 000 devices per square centimeter. In addition, this method can be applied to many other 2D materials, such as NbSe2 , Bi2 Se3 , and black phosphorus, for printing diverse high-quality thin films. Thus, the strategy of printable 2D thin-film transistors provides a scalable pathway for the facile manufacturing of high-performance electronics at an affordable cost.
Collapse
Affiliation(s)
- Lihong Li
- Key Laboratory of Green Printing, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing, 100190, P. R. China
- Micro/nano Circuit Printing Preparation Laboratory, Zhongguancun Open Laboratory, Zhongguancun Science Park, Beijing, 100190, P. R. China
| | - Xiaoxia Yu
- Key Laboratory of Green Printing, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing, 100190, P. R. China
- Micro/nano Circuit Printing Preparation Laboratory, Zhongguancun Open Laboratory, Zhongguancun Science Park, Beijing, 100190, P. R. China
- Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing, 100190, P. R. China
| | - Zhaoyang Lin
- Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Zhenren Cai
- Key Laboratory of Green Printing, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing, 100190, P. R. China
- Micro/nano Circuit Printing Preparation Laboratory, Zhongguancun Open Laboratory, Zhongguancun Science Park, Beijing, 100190, P. R. China
| | - Yawei Cao
- Key Laboratory of Green Printing, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing, 100190, P. R. China
- Micro/nano Circuit Printing Preparation Laboratory, Zhongguancun Open Laboratory, Zhongguancun Science Park, Beijing, 100190, P. R. China
- Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing, 100190, P. R. China
| | - Wei Kong
- Key Laboratory of Green Printing, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing, 100190, P. R. China
- Micro/nano Circuit Printing Preparation Laboratory, Zhongguancun Open Laboratory, Zhongguancun Science Park, Beijing, 100190, P. R. China
- Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing, 100190, P. R. China
| | - Zhongyuan Xiang
- Key Laboratory of Green Printing, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing, 100190, P. R. China
- Micro/nano Circuit Printing Preparation Laboratory, Zhongguancun Open Laboratory, Zhongguancun Science Park, Beijing, 100190, P. R. China
| | - Zhengkun Gu
- Key Laboratory of Green Printing, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing, 100190, P. R. China
- Micro/nano Circuit Printing Preparation Laboratory, Zhongguancun Open Laboratory, Zhongguancun Science Park, Beijing, 100190, P. R. China
| | - Xianran Xing
- Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing, 100190, P. R. China
| | - Xiangfeng Duan
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Yanlin Song
- Key Laboratory of Green Printing, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences (ICCAS), Beijing, 100190, P. R. China
| |
Collapse
|
8
|
Jafarpour M, Nüesch F, Heier J, Abdolhosseinzadeh S. Functional Ink Formulation for Printing and Coating of Graphene and Other 2D Materials: Challenges and Solutions. SMALL SCIENCE 2022. [DOI: 10.1002/smsc.202200040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Mohammad Jafarpour
- Laboratory for Functional Polymers Swiss Federal Laboratories for Materials Science and Technology (Empa) 8600 Dübendorf Switzerland
- Institute of Materials Science and Engineering Swiss Federal Institute of Technology Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Frank Nüesch
- Laboratory for Functional Polymers Swiss Federal Laboratories for Materials Science and Technology (Empa) 8600 Dübendorf Switzerland
- Institute of Materials Science and Engineering Swiss Federal Institute of Technology Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Jakob Heier
- Laboratory for Functional Polymers Swiss Federal Laboratories for Materials Science and Technology (Empa) 8600 Dübendorf Switzerland
| | - Sina Abdolhosseinzadeh
- Laboratory for Functional Polymers Swiss Federal Laboratories for Materials Science and Technology (Empa) 8600 Dübendorf Switzerland
| |
Collapse
|
9
|
Spontaneous formation of gold nanoparticles on MoS2 nanosheets and its impact on solution-processed optoelectronic devices. iScience 2022; 25:104120. [PMID: 35391825 PMCID: PMC8980758 DOI: 10.1016/j.isci.2022.104120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 02/28/2022] [Accepted: 03/16/2022] [Indexed: 11/24/2022] Open
Abstract
Understanding size-dependent properties of 2D materials is crucial for their optimized performance when incorporated through solution routes. In this work, the chemical nature of MoS2 as a function of nanosheet size is investigated through the spontaneous reduction of chloroauric acid. Microscopy studies suggest higher gold nanoparticle decoration density in smaller nanosheet sizes, resulting from higher extent of reduction. Further corroboration through surface-enhanced Raman scattering using the gold-decorated MoS2 nanosheets as substrates exhibited an enhancement factor of 1.55 × 106 for smaller nanosheets which is 7-fold higher as compared to larger nanosheets. These plasmonic-semiconductor hybrids are utilized for photodetection, where decoration is found to impact the photoresponse of smaller nanosheets the most, and is optimized to achieve responsivity of 367.5 mAW-1 and response times of ∼17 ms. The simplistic modification via solution routes and its impact on optoelectronic properties provides an enabling platform for 2D materials-based applications. Reducing agent-free Au nanoparticle decoration on aqueously dispersed 2H-MoS2. Control on Au nanoparticle decoration density through nanosheet size-selection. SERS as a probe for determining the decoration density along with microscopy. Enhanced photodetection by spontaneous modification with Au on MoS2 films.
Collapse
|
10
|
Zheng X, Miao X, Xiao Y, Guo L, Wang Y, Hu T, Gong X, Wu C, Xiong C. Durable polymer solar cells produced by the encapsulation of a WSe 2 hole-transport layer and β-carotene as an active layer additive. Inorg Chem Front 2022. [DOI: 10.1039/d1qi01458g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
WSe2 nanoflakes are obtained by liquid-phase exfoliation. Polymer solar cells with NF-WSe2 as the hole transport layer (HTL) are realized with superior photovoltaic characteristics.
Collapse
Affiliation(s)
- Xuan Zheng
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Lightweight Materials and Processing, and School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China
| | - Xin Miao
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Lightweight Materials and Processing, and School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China
| | - Yufei Xiao
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Lightweight Materials and Processing, and School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China
| | - Lei Guo
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Lightweight Materials and Processing, and School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China
| | - Yalin Wang
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Lightweight Materials and Processing, and School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China
| | - Tao Hu
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Lightweight Materials and Processing, and School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China
| | - Xinghou Gong
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Lightweight Materials and Processing, and School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China
| | - Chonggang Wu
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Lightweight Materials and Processing, and School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan, 430068, China
| | - Chuanxi Xiong
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China
| |
Collapse
|
11
|
Qu Y, Arguilla MQ, Zhang Q, He X, Dincă M. Ultrathin, High-Aspect Ratio, and Free-Standing Magnetic Nanowires by Exfoliation of Ferromagnetic Quasi-One-Dimensional van der Waals Lattices. J Am Chem Soc 2021; 143:19551-19558. [PMID: 34752073 DOI: 10.1021/jacs.1c09607] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Driven by numerous discoveries of novel physical properties and integration into functional devices, interest in one-dimensional (1D) magnetic nanostructures has grown tremendously. Traditionally, such structures are accessed with bottom-up techniques, but these require increasing sophistication to allow precise control over crystallinity, branching, aspect ratio, and surface termination, especially when approaching the subnanometer regime in magnetic phases. Here, we show that mechanical exfoliation of bulk quasi-one-dimensional crystals, a method similar to those popularized for two-dimensional van der Waals (vdW) lattices, serves as an efficient top-down method to produce ultrathin freestanding nanowires that are both magnetic and semiconducting. We use CrSbSe3 as a representative quasi-1D vdW crystal with strong magnetocrystalline anisotropy and show that it can be exfoliated into nanowires with an average cross-section of 10 ± 2.8 nm. The CrSbSe3 nanowires display reduced Curie-Weiss temperature but higher coercivity and remanence than the bulk phase. The methodology developed here for CrSbSe3, a representative for a vast class of 1D vdW lattices, serves as a blueprint for investigating confinement effects for 1D materials and accessing functional nanowires that are difficult to produce via traditional bottom-up methods.
Collapse
Affiliation(s)
- Yi Qu
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Maxx Q Arguilla
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Qiang Zhang
- Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Xin He
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Mircea Dincă
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| |
Collapse
|
12
|
MOOSA AA, ABED MS. Graphene preparation and graphite exfoliation. Turk J Chem 2021; 45:493-519. [PMID: 34385847 PMCID: PMC8326494 DOI: 10.3906/kim-2101-19] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 03/19/2021] [Indexed: 01/10/2023] Open
Abstract
The synthesis of Graphene is critical to achieving its functions in practical applications. Different methods have been used to synthesis graphene, but graphite exfoliation is considered the simplest way to produce graphene and graphene oxide. In general, controlling the synthesis conditions to achieving the optimum yield, keeping the pristine structure to realize on-demand properties, minimum layers with the smallest lateral size, and minimum oxygen content are the most obstacles experienced by researchers. Each application requires a specific graphene model, graphene oxides GO, or even graphene intercalated compounds (GIC) depending on synthesis conditions and approach. This paper reviewed and summarized the most researches in this field and focusing on exfoliation methods.
Collapse
Affiliation(s)
- Ahmed A. MOOSA
- Materials Engineering Technology Department, Engineering Technical College, Middle Technical University, BaghdadIraq
| | - Mayyadah S. ABED
- Department of Materials Engineering, University of Technology, BaghdadIraq
| |
Collapse
|
13
|
Mohamed Ismail M, Vigneshwaran J, Arunbalaji S, Mani D, Arivanandhan M, Jose SP, Jayavel R. Antimonene nanosheets with enhanced electrochemical performance for energy storage applications. Dalton Trans 2020; 49:13717-13725. [PMID: 32996516 DOI: 10.1039/d0dt01753a] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Antimonene is an exfoliated 2D nanomaterial obtained from bulk antimony. It is a novel class of 2D material for energy storage applications. In the present work, antimonene was synthesized using a high-energy ball milling-sonochemical method. The structural, morphological, thermal, and electrochemical properties of antimonene were comparatively analyzed against bulk antimony. X-ray diffractometry (XRD) analysis confirms the crystal structure and 2D structure of antimonene, as a peak shift was observed. The Raman spectra show the peak shift for the Eg and A1g modes of vibration of antimony, which confirms the formation of antimonene. Scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM) images depict the exfoliation of antimonene from bulk antimony. Thermal analysis unveiled the thermal stability of antimonene up to 400 °C with only 3% weight loss. X-ray photoelectron spectroscopy (XPS) analysis reveals the formation of antimonene, which is free from contamination. The electrochemical properties of antimony and antimonene were investigated using cyclic voltammetry (CV) and chronopotentiometric (CP) analysis, using 2 M KOH as an electrolyte. Antimonene exhibited a relatively high specific capacitance of 597 F g-1 compared to ball-milled antimony (101 F g-1) at a scan rate of 10 mV s-1. Moreover, electrochemical impedance spectroscopy (EIS) analysis revealed that antimonene has a relatively low equivalence series resistance (RESR) and low charge transfer resistance (RCT) compared to bulk antimony, which favors high electrochemical performance. The cyclic stability of antimonene was studied for 3000 cycles, and the results show high cyclic stability. The electrochemical results demonstrated that antimonene is a promising material for energy storage applications.
Collapse
Affiliation(s)
- M Mohamed Ismail
- Centre for Nanoscience and Technology, Anna University, Chennai-600025, India.
| | | | | | | | | | | | | |
Collapse
|
14
|
Nie X, Li G, Jiang Z, Li W, Ouyang T, Wang J. Co-Solvent Exfoliation of Hexagonal Boron Nitride: Effect of Raw Bulk Boron Nitride Size and Co-Solvent Composition. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1035. [PMID: 32481653 PMCID: PMC7352847 DOI: 10.3390/nano10061035] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 05/20/2020] [Accepted: 05/23/2020] [Indexed: 01/10/2023]
Abstract
Exfoliation of two-dimensional boron nitride nanosheets (BNNSs) from parent bulk material has been receiving intensive attention because of its fascinating physical properties. Liquid exfoliation is a simple, scalable approach to produce single-layer or few-layer BNNS. In this paper, water/propanol co-solvent exfoliation of bulk boron nitride under the assistance of sonication was investigated in detail. Special attention was paid on the effect of raw bulk boron nitride size and co-solvent composition. The results show that sonication of small-size hexagonal boron nitride tends to generate large nanosheets, due to a predominant solvent wedge effect. In addition, it is found that the composition of water/propanol co-solvent has an important effect on exfoliation efficiency. Interestingly, although two isomers of 1-propanol (NPA) and 2-propanol (IPA) have the same molecular weight and similar surface tension, their aqueous solutions allow the formation of boron nitride nanosheets dispersion with markedly different concentrations. It is proposed that due to their spatial configuration difference, NPA with its longer molecular chain and fewer hydrophobic methyl group tends to form dynamic water-NPA clusters with larger size than water-IPA clusters. The hydrodynamic radius of the co-solvent "clusters" was calculated to be 0.72 nm for water/NPA system and 0.44 nm for water/IPA system at their maximum, respectively. Their size changes, represented by two curves, indicate a strong "cluster size" effect on exfoliation efficiency. Our work provides an insight into co-solvent exfoliation of hexagonal boron nitride and emphasizes the importance of co-solvent cluster size in exfoliation efficiency.
Collapse
Affiliation(s)
- Xiang Nie
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (X.N.); (G.L.); (Z.J.); (W.L.); (J.W.)
- Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology, Hunan University, Changsha 410082, China
| | - Guo Li
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (X.N.); (G.L.); (Z.J.); (W.L.); (J.W.)
- Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology, Hunan University, Changsha 410082, China
| | - Zhao Jiang
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (X.N.); (G.L.); (Z.J.); (W.L.); (J.W.)
| | - Wei Li
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (X.N.); (G.L.); (Z.J.); (W.L.); (J.W.)
- Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology, Hunan University, Changsha 410082, China
| | - Ting Ouyang
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (X.N.); (G.L.); (Z.J.); (W.L.); (J.W.)
- Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology, Hunan University, Changsha 410082, China
| | - Jianfeng Wang
- College of Materials Science and Engineering, Hunan University, Changsha 410082, China; (X.N.); (G.L.); (Z.J.); (W.L.); (J.W.)
| |
Collapse
|
15
|
Sinha S, Zhu T, France-Lanord A, Sheng Y, Grossman JC, Porfyrakis K, Warner JH. Atomic structure and defect dynamics of monolayer lead iodide nanodisks with epitaxial alignment on graphene. Nat Commun 2020; 11:823. [PMID: 32041958 PMCID: PMC7010709 DOI: 10.1038/s41467-020-14481-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 01/06/2020] [Indexed: 11/09/2022] Open
Abstract
Lead Iodide (PbI2) is a large bandgap 2D layered material that has potential for semiconductor applications. However, atomic level study of PbI2 monolayer has been limited due to challenges in obtaining thin crystals. Here, we use liquid exfoliation to produce monolayer PbI2 nanodisks (30-40 nm in diameter and > 99% monolayer purity) and deposit them onto suspended graphene supports to enable atomic structure study of PbI2. Strong epitaxial alignment of PbI2 monolayers with the underlying graphene lattice occurs, leading to a phase shift from the 1 T to 1 H structure to increase the level of commensuration in the two lattice spacings. The fundamental point vacancy and nanopore structures in PbI2 monolayers are directly imaged, showing rapid vacancy migration and self-healing. These results provide a detailed insight into the atomic structure of monolayer PbI2, and the impact of the strong van der Waals interaction with graphene, which has importance for future applications in optoelectronics.
Collapse
Affiliation(s)
- Sapna Sinha
- Department of Materials, University of Oxford, 16 Parks Road, Oxford, OX1 3PH, UK
| | - Taishan Zhu
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Arthur France-Lanord
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Yuewen Sheng
- Department of Materials, University of Oxford, 16 Parks Road, Oxford, OX1 3PH, UK
| | - Jeffrey C Grossman
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Kyriakos Porfyrakis
- Faculty of Engineering and Science, University of Greenwich, Central Avenue, Chatham Maritime, Kent, ME4 4TB, UK
| | - Jamie H Warner
- Department of Mechanical Engineering, University of Texas at Austin, 204 Dean Keeton Street, Austin, 78712, USA.
| |
Collapse
|
16
|
Arao Y, Kuwahara R, Ohno K, Tanks J, Aida K, Kubouchi M, Takeda SI. Mass production of low-boiling point solvent- and water-soluble graphene by simple salt-assisted ball milling. NANOSCALE ADVANCES 2019; 1:4955-4964. [PMID: 36133145 PMCID: PMC9418494 DOI: 10.1039/c9na00463g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 10/29/2019] [Indexed: 05/04/2023]
Abstract
Developing a mass production method for graphene is essential for practical usage of this remarkable material. Direct exfoliation of graphite in a liquid is a promising approach for production of high quality graphene. However, this technique has three huge obstacles to be solved; limitation of solvent, low yield and low quality (i.e., multilayer graphene with a small size). Here, we found that soluble graphite produced by mechanochemical reaction with salts overcomes the above three drawbacks. Soluble graphite was exfoliated into monolayer graphene with more than 10% yield in five minutes of sonication. The modified graphite was easily exfoliated in a low-boiling point solvent such as acetone, alcohol and water without the aid of a surfactant. Molecular simulation revealed that the salt is adsorbed to the active carbon at the graphite edge. In the case of weak acid salts, the original bonding nature between the alkali ion and the base molecule is retained after the reaction. Thus, alkali metals are easily dissociated in a polar solvent, leading to negative charge of graphene, enabling the exfoliation of graphite in low boiling point solvents. The approach proposed here opens up a new door to practical usage of the attractive 2D material.
Collapse
Affiliation(s)
- Yoshihiko Arao
- Tokyo Institute of Technology, School of Materials and Chemical Technology 2-12-1 O-okayama, Meguro-ku Tokyo Japan
| | - Riichi Kuwahara
- Dassault Systèmes ThinkPark Tower 2-1-1 Osaki, Shinagawa-ku Tokyo Japan
| | - Kaoru Ohno
- Department of Physics, Yokohama National University 79-5 Tokiwadai, Hodogaya-ku Yokohama Japan
| | - Jonathon Tanks
- National Institute for Materials Science Sengen 1-2-1, Tsukuba Ibaraki Japan
| | - Kojiro Aida
- Tokyo Institute of Technology, School of Materials and Chemical Technology 2-12-1 O-okayama, Meguro-ku Tokyo Japan
| | - Masatoshi Kubouchi
- Tokyo Institute of Technology, School of Materials and Chemical Technology 2-12-1 O-okayama, Meguro-ku Tokyo Japan
| | - Shin-Ichi Takeda
- Structures and Advanced Composite Research Unit, Japan Aerospace Exploration Agency (JAXA) 6-13-1 Osawa, Mitaka-shi Tokyo Japan
| |
Collapse
|
17
|
Zhang X, Luo X, Zheng X, Wu X, Xu H. Protonation-Assisted Exfoliation of N-Containing 2D Conjugated Polymers. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1903643. [PMID: 31478337 DOI: 10.1002/smll.201903643] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 08/16/2019] [Indexed: 06/10/2023]
Abstract
Ultrathin 2D conjugated polymer nanosheets are an emerging class of photocatalysts for solar-to-chemical energy conversion. Until now, the majority of ultrathin 2D polymer photocatalysts are produced through exfoliation of layered polymers. Unfortunately, it still remains a great challenge to exfoliate layered polymers into ultrathin nanosheets with high yields. In this work, a liquid-phase protonation-assisted exfoliation is demonstrated to enable remarkably improved exfoliation yields of various 2D N-containing conjugated polymers such as g-C3 N4 , C2 N, and aza-CMP. The exfoliation yields are only 2-15% in pure water whereas they can be substantially improved to 41-56% in 12 m HCl. The exfoliated ultrathin nanosheets possess average thicknesses less than 5 nm and can be easily dispersed in aqueous solutions. More importantly, the exfoliated nanosheets exhibit significantly enhanced photocatalytic activity toward photocatalytic water splitting compared to their bulk counterparts. Further characterizations and computational calculations reveal that protonation of the heterocyclic nitrogen sites in the conjugated polymer frameworks can lead to strong hydrogen bonding between the polymer surfaces and water molecules, resulting in facilitated exfoliation of polymers into the liquid phase. This study unveils an important protocol toward producing ultrathin 2D N-containing conjugated polymer nanosheets for future solar energy conversion.
Collapse
Affiliation(s)
- Xinlei Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Xiao Luo
- Hefei National Laboratory of Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Department of Materials Science and Engineering, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Xusheng Zheng
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230029, China
| | - Xiaojun Wu
- Hefei National Laboratory of Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, Department of Materials Science and Engineering, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Hangxun Xu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
| |
Collapse
|
18
|
Cao Z, Tsai SN, Zuo YY. An Optical Method for Quantitatively Determining the Surface Free Energy of Micro- and Nanoparticles. Anal Chem 2019; 91:12819-12826. [PMID: 31518113 DOI: 10.1021/acs.analchem.9b02507] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Surface free energy (SFE) of micro- and nanoparticles plays a crucial role in determining the hydrophobicity and wettability of the particles. To date, however, there are no easy-to-use methods for determining the SFE of particles. Here, with the application of several inexpensive, easy-to-use, and commonly available lab procedures and facilities, including particle dispersion, settling/centrifugation, pipetting, and visible-light spectroscopy, we developed a novel technique called the maximum particle dispersion (MPD) method for quantitatively determining the SFE of micro- and nanoparticles. We demonstrated the versatility and robustness of the MPD method by studying nine representative particles of various chemistries, sizes, dimensions, and morphologies. These are triethoxycaprylylsilane-coated zinc oxide nanoparticles, multiwalled carbon nanotubes, graphene nanoplatelets, molybdenum(IV) sulfide flakes, neodymium(III) oxide nanoparticles, two sizes of zeolites, poly(vinylpolypyrrolidone), and polystyrene microparticles. The SFE of these micro- and nanoparticles was found to cover a range from 21 to 36 mJ/m2. These SFE values may find applications in a broad spectrum of scientific disciplines including the synthesis of these nanomaterials, such as in liquid-phase exfoliation. The MPD method has the potential to be developed into a standard, low-cost, and easy-to-use method for quantitatively characterizing the SFE and hydrophobicity of particles at the micro- and nanoscale.
Collapse
Affiliation(s)
- Zhenle Cao
- Department of Mechanical Engineering , University of Hawaii at Manoa , Honolulu , Hawaii 96822 , United States
| | - Shannon Nicole Tsai
- Department of Mechanical Engineering , University of Hawaii at Manoa , Honolulu , Hawaii 96822 , United States
| | - Yi Y Zuo
- Department of Mechanical Engineering , University of Hawaii at Manoa , Honolulu , Hawaii 96822 , United States.,Department of Pediatrics, John A. Burns School of Medicine , University of Hawaii , Honolulu , Hawaii 96826 , United States
| |
Collapse
|
19
|
Hang DR, Sun DY, Chen CH, Wu HF, Chou MMC, Islam SE, Sharma KH. Facile Bottom-up Preparation of WS 2-Based Water-Soluble Quantum Dots as Luminescent Probes for Hydrogen Peroxide and Glucose. NANOSCALE RESEARCH LETTERS 2019; 14:271. [PMID: 31399837 PMCID: PMC6689045 DOI: 10.1186/s11671-019-3109-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 07/29/2019] [Indexed: 06/10/2023]
Abstract
Photoluminescent zero-dimensional (0D) quantum dots (QDs) derived from transition metal dichalcogenides, particularly molybdenum disulfide, are presently in the spotlight for their advantageous characteristics for optoelectronics, imaging, and sensors. Nevertheless, up to now, little work has been done to synthesize and explore photoluminescent 0D WS2 QDs, especially by a bottom-up strategy without using usual toxic organic solvents. In this work, we report a facile bottom-up strategy to synthesize high-quality water-soluble tungsten disulfide (WS2) QDs through hydrothermal reaction by using sodium tungstate dihydrate and L-cysteine as W and S sources. Besides, hybrid carbon quantum dots/WS2 QDs were further prepared based on this method. Physicochemical and structural analysis of QD hybrid indicated that the graphitic carbon quantum dots with diameters about 5 nm were held onto WS2 QDs via electrostatic attraction forces. The resultant QDs show good water solubility and stable photoluminescence (PL). The excitation-dependent PL can be attributed to the polydispersity of the synthesized QDs. We found that the PL was stable under continuous irradiation of UV light but can be quenched in the presence of hydrogen peroxide (H2O2). The obtained WS2-based QDs were thus adopted as an electrodeless luminescent probe for H2O2 and for enzymatic sensing of glucose. The hybrid QDs were shown to have a more sensitive LOD in the case of glucose sensing. The Raman study implied that H2O2 causes the partial oxidation of QDs, which may lead to oxidation-induced quenching. Overall, the presented strategy provides a general guideline for facile and low-cost synthesis of other water-soluble layered material QDs and relevant hybrids in large quantity. These WS2-based high-quality water-soluble QDs should be promising for a wide range of applications in optoelectronics, environmental monitoring, medical imaging, and photocatalysis.
Collapse
Affiliation(s)
- Da-Ren Hang
- Department of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung, 80424 Taiwan
- Center of Crystal Research, National Sun Yat-sen University, Kaohsiung, 80424 Taiwan
| | - De-You Sun
- Department of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung, 80424 Taiwan
| | - Chun-Hu Chen
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, 80424 Taiwan
| | - Hui-Fen Wu
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, 80424 Taiwan
| | - Mitch M. C. Chou
- Department of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung, 80424 Taiwan
- Center of Crystal Research, National Sun Yat-sen University, Kaohsiung, 80424 Taiwan
| | - Sk Emdadul Islam
- Department of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung, 80424 Taiwan
| | - Krishna Hari Sharma
- Department of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung, 80424 Taiwan
| |
Collapse
|
20
|
Zhang X, Cai X, Jin K, Jiang Z, Yuan H, Jia Y, Wang Y, Cao L, Zhang X. Determining the Surface Tension of Two-Dimensional Nanosheets by a Low-Rate Advancing Contact Angle Measurement. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:8308-8315. [PMID: 31091874 DOI: 10.1021/acs.langmuir.8b04104] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Because of their atomic thinness, two-dimensional (2D) nanosheets need be bound to a substrate or be dispersed in material in various applications. The surface tension (ST) of a 2D nanosheet is critical for analyzing the physicochemical interactions between 2D nanosheets and other materials. To date, the determination of the ST of 2D nanosheets has relied mainly on the contact angle (CA) method. However, because of the difficulty in measuring the thermodynamically significant Young?s CA, which is the only meaningful CA that can be used to determine the ST, significant differences exist in reported STs of 2D nanosheets. In this study, we obtained such unique Young?s CAs on graphene, boron nitride, molybdenum disulfide, and tungsten disulfide nanosheets by a low-rate advancing contact angle measurement using a rigorously designed experimental setup. By interpreting the CA with Neumann?s equation of state, we determined the STs of these four nanosheets to be 29.7 ? 0.6, 30.9 ? 0.7, 27.8 ? 0.7, and 29.1 ? 0.8 mJ/m2, respectively. The surface energies of these 2D nanosheets were estimated to be in the range 95?120 mJ/m2 by considering the contribution of ST and surface entropy. The accuracy of these determined STs was validated by the exfoliation and dispersion of 2D nanosheets in liquids with a series of STs. The study may have important implications for understanding the physicochemical interactions between 2D nanosheets and other materials and the development of 2D nanosheet-based devices.
Collapse
|
21
|
Lobo K, Trivedi S, Matte HSSR. Highly concentrated and stabilizer-free transition-metal dichalcogenide dispersions in low-boiling point solvent for flexible electronics. NANOSCALE 2019; 11:10746-10755. [PMID: 31120460 DOI: 10.1039/c9nr02019e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Liquid-phase exfoliation has provided an efficient and scalable route to obtain dispersions of layered materials. Dispersions in low-boiling solvents facilitate the ease of processing; however, the challenge of obtaining them at high concentrations still prevails. Herein, the use of 2-butanone (B.P. 80 °C) as an effective solvent for the exfoliation of transition-metal dichalcogenides is reported for the first time. Among these, MoS2 was studied in detail to maximize the dispersion concentrations, reaching values up to 5.5 mg ml-1 without the use of any stabilizer. This exceptional efficiency of 2-butanone to exfoliate and stabilize the dispersions at high concentrations enabled the size separation of nanosheets by liquid cascade centrifugation. Extensive characterization by spectroscopic and microscopic techniques revealed the efficacy of the proposed process in separating mono- and few-layers. To showcase the utility of this low-boiling point solvent, a flexible photodetector was fabricated by spray-coating the dispersions on a polyethylene terephthalate substrate. The device exhibited a fast response time (<50 ms) and 80% retention in responsivity after 1000 flexing cycles. The present study suggests that molecular interactions between the solvent and nanosheet could play a critical role in the achievement of high efficiencies and provide an additional aspect to consider in solvent selection, along with the Hansen solubility parameters.
Collapse
Affiliation(s)
- Kenneth Lobo
- Energy Materials Laboratory, Centre for Nano and Soft Matter Sciences, Jalahalli, Bengaluru, India 560013.
| | | | | |
Collapse
|
22
|
Estimation of surface free energy and solubility parameters of Mg Al layered double hydroxides. J Colloid Interface Sci 2019; 546:361-370. [DOI: 10.1016/j.jcis.2019.03.078] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 03/18/2019] [Accepted: 03/24/2019] [Indexed: 11/23/2022]
|
23
|
Yu W, Hou W. Correlations of surface free energy and solubility parameters for solid substances. J Colloid Interface Sci 2019; 544:8-13. [PMID: 30822603 DOI: 10.1016/j.jcis.2019.02.074] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Revised: 02/21/2019] [Accepted: 02/21/2019] [Indexed: 11/18/2022]
Abstract
HYPOTHESIS Both the surface free energy (γ) and solubility (δ) parameters of substances are related to their cohesive energies which are decided by intermolecular interactions, and there should be some intrinsic relationships between the two parameters. Understanding of the γ-δ correlations is of great fundamental and practical importance. Several empirical γ-δ equations have been proposed so far, but their application to solids is limited. This is because the molar volume (V~) as a parameter exists in these equations while the V~ of solids is commonly hard to be obtained. Hence, the development of γ-δ equations without the parameter V~ is essential for solids. METHOD The γ and δ data of 21 solids including polymers and layered solid materials were chosen, and possible γ-δ relationships were systematically explored using the parameter data of solids by a trial and error fitting method. FINDING Six γ-δ equations without the parameter V~ are proposed. The γ parameters include total (γt), dispersive (γd), and polar (γp) ones, and the δ parameters include the Hildebrand parameter (δt) and the Hansen dispersive (δd), polar (δp), and hydrogen-bonding (δh) ones. Interestingly, the so-obtained V~-free γ-δ equations are also valid for most liquids including nonpolar and polar ones. These γ-δ equations can provide a way to estimate non-measurable parameters from measurable parameters for solid materials, which is beneficial to the application of the characteristic parameters (γ and δ) for solid material engineering.
Collapse
Affiliation(s)
- Weiyan Yu
- Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan 250100, PR China
| | - Wanguo Hou
- Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan 250100, PR China.
| |
Collapse
|
24
|
Nakada G, Igarashi Y, Imai H, Oaki Y. Materials‐Informatics‐Assisted High‐Yield Synthesis of 2D Nanomaterials through Exfoliation. ADVANCED THEORY AND SIMULATIONS 2019. [DOI: 10.1002/adts.201800180] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Gentoku Nakada
- Department of Applied Chemistry Faculty of Science and Technology Keio University 3‐14‐1 Hiyoshi, Kohoku‐ku Yokohama 223–8522 Japan
| | - Yasuhiko Igarashi
- Japan Science and Technology Agency (JST) PRESTO 4‐1‐8 Honcho Kawaguchi 332‐0012 Japan
- Graduate School of Frontier Sciences The University of Tokyo 5‐1‐5 Kashiwanoha Kashiwa 277–8561 Japan
| | - Hiroaki Imai
- Department of Applied Chemistry Faculty of Science and Technology Keio University 3‐14‐1 Hiyoshi, Kohoku‐ku Yokohama 223–8522 Japan
| | - Yuya Oaki
- Department of Applied Chemistry Faculty of Science and Technology Keio University 3‐14‐1 Hiyoshi, Kohoku‐ku Yokohama 223–8522 Japan
- Japan Science and Technology Agency (JST) PRESTO 4‐1‐8 Honcho Kawaguchi 332‐0012 Japan
| |
Collapse
|
25
|
Dewetting of monolayer water and isopropanol between MoS2 nanosheets. Sci Rep 2018; 8:16704. [PMID: 30420653 PMCID: PMC6232136 DOI: 10.1038/s41598-018-35163-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 10/29/2018] [Indexed: 11/30/2022] Open
Abstract
Understanding dewetting of solvent molecules confined to layered material (LM) interfaces is crucial to the synthesis of two-dimensional materials by liquid-phase exfoliation. Here, we examine dewetting behavior of water and isopropanol/water (IPA/H2O) mixtures between molybdenum disulfide (MoS2) membranes using molecular dynamics (MD) simulations. We find that a monolayer of water spontaneously ruptures into nanodroplets surrounded by dry regions. The average speed of receding dry patches is close to the speed of sound in air. In contrast, monolayer mixtures of IPA/H2O between MoS2 membranes slowly transform into percolating networks of nanoislands and nanochannels in which water molecules diffuse inside and IPA molecules stay at the periphery of islands and channels. These contrasting behaviors may explain why IPA/H2O mixtures are much more effective than H2O alone in weakening interlayer coupling and exfoliating MoS2 into atomically thin sheets.
Collapse
|
26
|
Zhou G, Rajak P, Susarla S, Ajayan PM, Kalia RK, Nakano A, Vashishta P. Molecular Simulation of MoS 2 Exfoliation. Sci Rep 2018; 8:16761. [PMID: 30425294 PMCID: PMC6233174 DOI: 10.1038/s41598-018-35008-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 10/11/2018] [Indexed: 11/09/2022] Open
Abstract
A wide variety of two-dimensional layered materials are synthesized by liquid-phase exfoliation. Here we examine exfoliation of MoS2 into nanosheets in a mixture of water and isopropanol (IPA) containing cavitation bubbles. Using force fields optimized with experimental data on interfacial energies between MoS2 and the solvent, multimillion-atom molecular dynamics simulations are performed in conjunction with experiments to examine shock-induced collapse of cavitation bubbles and the resulting exfoliation of MoS2. The collapse of cavitation bubbles generates high-speed nanojets and shock waves in the solvent. Large shear stresses due to the nanojet impact on MoS2 surfaces initiate exfoliation, and shock waves reflected from MoS2 surfaces enhance exfoliation. Structural correlations in the solvent indicate that shock induces an ice VII like motif in the first solvation shell of water.
Collapse
Affiliation(s)
- Guoqing Zhou
- Collaboratory of Advanced Computing and Simulation, Department of Physics and Astronomy, University of Southern California, Los Angeles, USA
| | - Pankaj Rajak
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, USA
| | - Sandhya Susarla
- Department of Materials Science and Nanoengineering, Rice University, Houston, Texas, 77005, USA
| | - Pulickel M Ajayan
- Department of Materials Science and Nanoengineering, Rice University, Houston, Texas, 77005, USA
| | - Rajiv K Kalia
- Collaboratory of Advanced Computing and Simulation, Department of Physics and Astronomy, University of Southern California, Los Angeles, USA. .,Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, USA. .,Department of Computer Science, University of Southern California, Los Angeles, California, 90089, USA.
| | - Aiichiro Nakano
- Collaboratory of Advanced Computing and Simulation, Department of Physics and Astronomy, University of Southern California, Los Angeles, USA.,Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, USA.,Department of Computer Science, University of Southern California, Los Angeles, California, 90089, USA
| | - Priya Vashishta
- Collaboratory of Advanced Computing and Simulation, Department of Physics and Astronomy, University of Southern California, Los Angeles, USA.,Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, USA.,Department of Computer Science, University of Southern California, Los Angeles, California, 90089, USA
| |
Collapse
|
27
|
Han JH, Kwak M, Kim Y, Cheon J. Recent Advances in the Solution-Based Preparation of Two-Dimensional Layered Transition Metal Chalcogenide Nanostructures. Chem Rev 2018; 118:6151-6188. [PMID: 29926729 DOI: 10.1021/acs.chemrev.8b00264] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The precise control in size/thickness, composition, crystal phases, doping, defects, and surface properties of two-dimensional (2D) layered transition metal chalcogenide (TMC) is important for the investigation of interwoven relationship between structures, functions, and practical applications. Of the multiple synthetic routes, solution-based top-down and bottom-up chemical methods have been uniquely important for their potential to control the size and composition at the molecular level in addition to their scalability, competitive production cost, and solution processability. Here, we introduce an overview of the recent advances in the solution-based preparation routes of 2D layered TMC nanostructures along with important scientific developments.
Collapse
Affiliation(s)
- Jae Hyo Han
- Center for Nanomedicine , Institute for Basic Science (IBS) , Seoul 03722 , Republic of Korea
| | - Minkyoung Kwak
- Center for Nanomedicine , Institute for Basic Science (IBS) , Seoul 03722 , Republic of Korea
| | - Youngsoo Kim
- Center for Nanomedicine , Institute for Basic Science (IBS) , Seoul 03722 , Republic of Korea
| | - Jinwoo Cheon
- Center for Nanomedicine , Institute for Basic Science (IBS) , Seoul 03722 , Republic of Korea
| |
Collapse
|