1
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Park J, Cho I, Jeon H, Lee Y, Zhang J, Lee D, Cho MK, Preston DJ, Shong B, Kim IS, Lee WK. Conversion of Layered WS 2 Crystals into Mixed-Domain Electrochemical Catalysts by Plasma-Assisted Surface Reconstruction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2314031. [PMID: 38509794 DOI: 10.1002/adma.202314031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 03/11/2024] [Indexed: 03/22/2024]
Abstract
Electrocatalytic water splitting is crucial to generate clean hydrogen fuel, but implementation at an industrial scale remains limited due to dependence on expensive platinum (Pt)-based electrocatalysts. Here, an all-dry process to transform electrochemically inert bulk WS2 into a multidomain electrochemical catalyst that enables scalable and cost-effective implementation of the hydrogen evolution reaction (HER) in water electrolysis is reported. Direct dry transfer of WS2 flakes to a gold thin film deposited on a silicon substrate provides a general platform to produce the working electrodes for HER with tunable charge transfer resistance. By treating the mechanically exfoliated WS2 with sequential Ar-O2 plasma, mixed domains of WS2, WO3, and tungsten oxysulfide form on the surfaces of the flakes, which gives rise to a superior HER with much greater long-term stability and steady-state activity compared to Pt. Using density functional theory, ultraefficient atomic sites formed on the constituent nanodomains are identified, and the quantification of atomic-scale reactivities and resulting HER activities fully support the experimental observations.
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Affiliation(s)
- Jiheon Park
- Department of Materials Science and Engineering, Hongik University, Seoul, 04066, Republic of Korea
| | - Iaan Cho
- Department of Chemical Engineering, Hongik University, Seoul, 04066, Republic of Korea
| | - Hotae Jeon
- Department of Materials Science and Engineering, Hongik University, Seoul, 04066, Republic of Korea
| | - Youjin Lee
- Department of Materials Science and Engineering, Hongik University, Seoul, 04066, Republic of Korea
| | - Jian Zhang
- International Research Center for EM Metamaterials and Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Dongwook Lee
- Department of Materials Science and Engineering, Hongik University, Seoul, 04066, Republic of Korea
| | - Min Kyung Cho
- Advanced Analysis and Data Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Daniel J Preston
- Department of Mechanical Engineering, Rice University, Houston, TX, 77005, USA
| | - Bonggeun Shong
- Department of Chemical Engineering, Hongik University, Seoul, 04066, Republic of Korea
| | - In Soo Kim
- Nanophotonics Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- KIST-SKKU Carbon-Neutral Research Center, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Won-Kyu Lee
- Department of Materials Science and Engineering, Hongik University, Seoul, 04066, Republic of Korea
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2
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Sovizi S, Angizi S, Ahmad Alem SA, Goodarzi R, Taji Boyuk MRR, Ghanbari H, Szoszkiewicz R, Simchi A, Kruse P. Plasma Processing and Treatment of 2D Transition Metal Dichalcogenides: Tuning Properties and Defect Engineering. Chem Rev 2023; 123:13869-13951. [PMID: 38048483 PMCID: PMC10756211 DOI: 10.1021/acs.chemrev.3c00147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 08/31/2023] [Accepted: 11/09/2023] [Indexed: 12/06/2023]
Abstract
Two-dimensional transition metal dichalcogenides (TMDs) offer fascinating opportunities for fundamental nanoscale science and various technological applications. They are a promising platform for next generation optoelectronics and energy harvesting devices due to their exceptional characteristics at the nanoscale, such as tunable bandgap and strong light-matter interactions. The performance of TMD-based devices is mainly governed by the structure, composition, size, defects, and the state of their interfaces. Many properties of TMDs are influenced by the method of synthesis so numerous studies have focused on processing high-quality TMDs with controlled physicochemical properties. Plasma-based methods are cost-effective, well controllable, and scalable techniques that have recently attracted researchers' interest in the synthesis and modification of 2D TMDs. TMDs' reactivity toward plasma offers numerous opportunities to modify the surface of TMDs, including functionalization, defect engineering, doping, oxidation, phase engineering, etching, healing, morphological changes, and altering the surface energy. Here we comprehensively review all roles of plasma in the realm of TMDs. The fundamental science behind plasma processing and modification of TMDs and their applications in different fields are presented and discussed. Future perspectives and challenges are highlighted to demonstrate the prominence of TMDs and the importance of surface engineering in next-generation optoelectronic applications.
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Affiliation(s)
- Saeed Sovizi
- Faculty of
Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089, Warsaw, Poland
| | - Shayan Angizi
- Department
of Chemistry and Chemical Biology, McMaster
University, Hamilton, Ontario L8S 4M1, Canada
| | - Sayed Ali Ahmad Alem
- Chair in
Chemistry of Polymeric Materials, Montanuniversität
Leoben, Leoben 8700, Austria
| | - Reyhaneh Goodarzi
- School of
Metallurgy and Materials Engineering, Iran
University of Science and Technology (IUST), Narmak, 16846-13114, Tehran, Iran
| | | | - Hajar Ghanbari
- School of
Metallurgy and Materials Engineering, Iran
University of Science and Technology (IUST), Narmak, 16846-13114, Tehran, Iran
| | - Robert Szoszkiewicz
- Faculty of
Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089, Warsaw, Poland
| | - Abdolreza Simchi
- Department
of Materials Science and Engineering and Institute for Nanoscience
and Nanotechnology, Sharif University of
Technology, 14588-89694 Tehran, Iran
- Center for
Nanoscience and Nanotechnology, Institute for Convergence Science
& Technology, Sharif University of Technology, 14588-89694 Tehran, Iran
| | - Peter Kruse
- Department
of Chemistry and Chemical Biology, McMaster
University, Hamilton, Ontario L8S 4M1, Canada
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3
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Vijayan A, Sandhyarani N. Enhancing the catalytic activity of bulk MoS2 towards hydrogen evolution reaction by the formation of MoS2-MoO3-Re2O7 heterostructure. J Colloid Interface Sci 2022; 623:819-831. [DOI: 10.1016/j.jcis.2022.05.107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 05/13/2022] [Accepted: 05/17/2022] [Indexed: 10/18/2022]
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4
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Mahankali K, Gottumukkala SV, Masurkar N, Thangavel NK, Jayan R, Sawas A, Nagarajan S, Islam MM, Arava LMR. Unveiling the Electrocatalytic Activity of 1T'-MoSe 2 on Lithium-Polysulfide Conversion Reactions. ACS APPLIED MATERIALS & INTERFACES 2022; 14:24486-24496. [PMID: 35583340 DOI: 10.1021/acsami.2c05508] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The dissolution of intermediate lithium polysulfides (LiPS) into an electrolyte and their shuttling between the electrodes have been the primary bottlenecks for the commercialization of high-energy density lithium-sulfur (Li-S) batteries. While several two-dimensional (2D) materials have been deployed in recent years to mitigate these issues, their activity is strictly restricted to their edge-plane-based active sites. Herein, for the first time, we have explored a phase transformation phenomenon in a 2D material to enhance the number of active sites and electrocatalytic activity toward LiPS redox reactions. Detailed theoretical calculations demonstrate that phase transformation from the 2H to 1T' phase in a MoSe2 material activates the basal planes that allow for LiPS adsorption. The corresponding transformation mechanism and LiPS adsorption capabilities of the as-formed 1T'-MoSe2 were elucidated experimentally using microscopic and spectroscopic techniques. Further, the electrochemical evaluation of phase-transformed MoSe2 revealed its strong electrocatalytic activity toward LiPS reduction and their oxidation reactions. The 1T'-MoSe2-based cathode hosts for sulfur later provide a superior cycling performance of over 250 cycles with a capacity loss of only 0.15% per cycle along with an excellent Coulombic efficiency of 99.6%.
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Affiliation(s)
- Kiran Mahankali
- Department of Mechanical Engineering, Wayne State University, 5050 Anthony Wayne Drive, Detroit, Michigan 48202, United States
| | - Sundeep Varma Gottumukkala
- Department of Electrical and Computer Engineering, Wayne State University, 5050 Anthony Wayne Drive, Detroit, Michigan 48202, United States
| | - Nirul Masurkar
- Department of Mechanical Engineering, Wayne State University, 5050 Anthony Wayne Drive, Detroit, Michigan 48202, United States
| | - Naresh Kumar Thangavel
- Department of Mechanical Engineering, Wayne State University, 5050 Anthony Wayne Drive, Detroit, Michigan 48202, United States
| | - Rahul Jayan
- Department of Mechanical Engineering, Wayne State University, 5050 Anthony Wayne Drive, Detroit, Michigan 48202, United States
| | - Abdulrazzag Sawas
- Department of Mechanical Engineering, Wayne State University, 5050 Anthony Wayne Drive, Detroit, Michigan 48202, United States
| | - Sudhan Nagarajan
- Department of Mechanical Engineering, Wayne State University, 5050 Anthony Wayne Drive, Detroit, Michigan 48202, United States
| | - Md Mahbubul Islam
- Department of Mechanical Engineering, Wayne State University, 5050 Anthony Wayne Drive, Detroit, Michigan 48202, United States
| | - Leela Mohana Reddy Arava
- Department of Mechanical Engineering, Wayne State University, 5050 Anthony Wayne Drive, Detroit, Michigan 48202, United States
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5
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Cho J, Kim M, Seok H, Choi GH, Yoo SS, Sagaya Selvam NC, Yoo PJ, Kim T. Patchwork-Structured Heterointerface of 1T-WS 2/a-WO 3 with Sustained Hydrogen Spillover as a Highly Efficient Hydrogen Evolution Reaction Electrocatalyst. ACS APPLIED MATERIALS & INTERFACES 2022; 14:24008-24019. [PMID: 35549071 DOI: 10.1021/acsami.2c03584] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Using tungsten disulfide (WS2) as a hydrogen evolution reaction (HER) electrocatalyst brought on several ways to surpass its intrinsic catalytic activity. This study introduces a nanodomain tungsten oxide (WO3) interface to 1T-WS2, opening a new route for facilitating the transfer of a proton to active sites, thereby enhancing the HER performance. After H2S plasma sulfurization on the W layer to realize nanocrystalline 1T-WS2, subsequent O2 plasma treatment led to the formation of amorphous WO3 (a-WO3), resulting in a patchwork-structured heterointerface of 1T-WS2/a-WO3 (WSO). Addition of a hydrophilic interface (WO3) facilitates the hydrogen spillover effect, which represents the transfer of absorbed protons from a-WO3 to 1T-WS2. Moreover, the faster response of the cathodic current peak (proton insertion) in cyclic voltammetry is confirmed by the higher degree of oxidation. The rationale behind the faster proton insertion is that the introduced a-WO3 works as a proton channel. As a result, WSO-1.2 (the ratio of 1T-WS2 to a-WO3) exhibits a remarkable HER activity in that 1T-WS2 consumes more protons provided by the channel, showing an overpotential of 212 mV at 10 mA/cm2. Density functional theory calculations also show that the WO3 phase gives higher binding energies for initial proton adsorption, while the 1T-WS2 phase shows reduced HER overpotential. This improved catalytic performance demonstrates a novel strategy for water splitting to actively elicit the related reaction via efficient proton transport.
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Affiliation(s)
- Jinill Cho
- School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Minjun Kim
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Hyunho Seok
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Gwan Hyun Choi
- School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Seong Soo Yoo
- School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | | | - Pil J Yoo
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon 16419, Republic of Korea
- School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Taesung Kim
- School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon 16419, Republic of Korea
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6
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Tseng CP, Liu F, Zhang X, Huang PC, Campbell I, Li Y, Atkinson JT, Terlier T, Ajo-Franklin CM, Silberg JJ, Verduzco R. Solution-Deposited and Patternable Conductive Polymer Thin-Film Electrodes for Microbial Bioelectronics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2109442. [PMID: 35088918 DOI: 10.1002/adma.202109442] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/21/2022] [Indexed: 06/14/2023]
Abstract
Microbial bioelectronic devices integrate naturally occurring or synthetically engineered electroactive microbes with microelectronics. These devices have a broad range of potential applications, but engineering the biotic-abiotic interface for biocompatibility, adhesion, electron transfer, and maximum surface area remains a challenge. Prior approaches to interface modification lack simple processability, the ability to pattern the materials, and/or a significant enhancement in currents. Here, a novel conductive polymer coating that significantly enhances current densities relative to unmodified electrodes in microbial bioelectronics is reported. The coating is based on a blend of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) crosslinked with poly(2-hydroxyethylacrylate) (PHEA) along with a thin polydopamine (PDA) layer for adhesion to an underlying indium tin oxide (ITO) electrode. When used as an interface layer with the current-producing bacterium Shewanella oneidensis MR-1, this material produces a 178-fold increase in the current density compared to unmodified electrodes, a current gain that is higher than previously reported thin-film 2D coatings and 3D conductive polymer coatings. The chemistry, morphology, and electronic properties of the coatings are characterized and the implementation of these coated electrodes for use in microbial fuel cells, multiplexed bioelectronic devices, and organic electrochemical transistor based microbial sensors are demonstrated. It is envisioned that this simple coating will advance the development of microbial bioelectronic devices.
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Affiliation(s)
- Chia-Ping Tseng
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, 77005, USA
| | - Fangxin Liu
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, 77005, USA
| | - Xu Zhang
- Department of BioSciences, Rice University, Houston, TX, 77005, USA
| | - Po-Chun Huang
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, 77005, USA
| | - Ian Campbell
- Department of BioSciences, Rice University, Houston, TX, 77005, USA
| | - Yilin Li
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, 77005, USA
| | - Joshua T Atkinson
- Department of Physics and Astronomy, University of Southern California, Los Angeles, CA, 90007, USA
| | - Tanguy Terlier
- SIMS Laboratory, Shared Equipment Authority, Rice University, Houston, TX, 77005, USA
| | | | | | - Rafael Verduzco
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, 77005, USA
- Department of Materials Science and NanoEngineering, Rice University, Houston, TX, 77005, USA
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7
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Van Nguyen T, Do HH, Tekalgne M, Van Le Q, Nguyen TP, Hong SH, Cho JH, Van Dao D, Ahn SH, Kim SY. WS 2-WC-WO 3 nano-hollow spheres as an efficient and durable catalyst for hydrogen evolution reaction. NANO CONVERGENCE 2021; 8:28. [PMID: 34542727 PMCID: PMC8452812 DOI: 10.1186/s40580-021-00278-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 09/02/2021] [Indexed: 06/12/2023]
Abstract
Transition metal dichalcogenides (TMDs), transition metal carbides (TMCs), and transition metal oxides (TMOs) have been widely investigated for electrocatalytic applications owing to their abundant active sites, high stability, good conductivity, and various other fascinating properties. Therefore, the synthesis of composites of TMDs, TMCs, and TMOs is a new avenue for the preparation of efficient electrocatalysts. Herein, we propose a novel low-cost and facile method to prepare TMD-TMC-TMO nano-hollow spheres (WS2-WC-WO3 NH) as an efficient catalyst for the hydrogen evolution reaction (HER). The crystallinity, morphology, chemical bonding, and composition of the composite material were comprehensively investigated using X-ray diffraction, Raman spectroscopy, field emission scanning electron microscopy, and X-ray photoelectron spectroscopy. The results confirmed the successful synthesis of the WS2-WC-WO3 NH spheres. Interestingly, the presence of nitrogen significantly enhanced the electrical conductivity of the hybrid material, facilitating electron transfer during the catalytic process. As a result, the WS2-WC-WO3 NH hybrid exhibited better HER performance than the pure WS2 nanoflowers, which can be attributed to the synergistic effect of the W-S, W-C, and W-O bonding in the composite. Remarkably, the Tafel slope of the WS2-WC-WO3 NH spheres was 59 mV dec-1, which is significantly lower than that of the pure WS2 NFs (82 mV dec-1). The results also confirmed the unprecedented stability and superior electrocatalytic performance of the WS2-WC-WO3 NH spheres toward the HER, which opens new avenues for the preparation of low-cost and highly effective materials for energy conversion and storage applications.
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Affiliation(s)
- Tuan Van Nguyen
- Department of Chemical and Biological Engineering, Gachon University, Seongnam-si, Gyeonggi-do, 13120, Republic of Korea
| | - Ha Huu Do
- Department of Chemical and Biological Engineering, Gachon University, Seongnam-si, Gyeonggi-do, 13120, Republic of Korea
| | - Mahider Tekalgne
- Department of Chemical and Biological Engineering, Gachon University, Seongnam-si, Gyeonggi-do, 13120, Republic of Korea
| | - Quyet Van Le
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Thang Phan Nguyen
- Department of Chemical and Biological Engineering, Gachon University, Seongnam-si, Gyeonggi-do, 13120, Republic of Korea
| | - Sung Hyun Hong
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Jin Hyuk Cho
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Dung Van Dao
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Sang Hyun Ahn
- Department of Chemical and Biological Engineering, Gachon University, Seongnam-si, Gyeonggi-do, 13120, Republic of Korea.
| | - Soo Young Kim
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea.
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8
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Li FF, Niu ZP, Zhang LX. Monolayer 1T and 1T' MoSO as Promising Electrocatalyst for Hydrogen Evolution based on First Principle Calculations. Chemphyschem 2021; 22:2034-2041. [PMID: 34313368 DOI: 10.1002/cphc.202100038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 06/06/2021] [Indexed: 11/10/2022]
Abstract
Molybdenum disulfide (MoS2 ) has been regarded as one of the most promising candidates for replacing Pt group noble metals as an efficient electrocatalyst to enhance the hydrogen evolution reaction (HER) in consideration of its relatively high earth abundance. Recent studies show that the catalytic efficiency of MoS2 for HER can be promoted by the presence of 1T-phase MoS2 . It is hard to precisely control the formation of 1T-MoS2 , however, due to its metastability relative to 2H-MoS2 . Elevating the stability of 1T phase allotrope is therefore of great importance and could be realized by replacing divalent S with monovalent elements or groups according to crystal field theory, which has been demonstrated through our first-principles density functional theory (DFT) calculation results. Differential Gibbs free energy analysis for hydrogen adsorption (ΔGH* ) suggest that 1T and 1T' MoSO (O doped MoS2 ) might be taken as potential candidate catalysts for HER process with better performance than 1T and 1T' MoS2 . We also propose a probable approach to synthesize 1T and 1T' MoSO under oxidation circumstance environment of graphene oxide.
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Affiliation(s)
- Fei-Fei Li
- School of Physics, Nankai University, Tianjin, 300071, P. R. China
| | - Zi-Ping Niu
- School of Physics, Nankai University, Tianjin, 300071, P. R. China
| | - Li-Xin Zhang
- School of Physics, Nankai University, Tianjin, 300071, P. R. China
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9
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Parvin S, Hazra V, Francis AG, Pati SK, Bhattacharyya S. In Situ Cation Intercalation in the Interlayer of Tungsten Sulfide with Overlaying Layered Double Hydroxide in a 2D Heterostructure for Facile Electrochemical Redox Activity. Inorg Chem 2021; 60:6911-6921. [PMID: 33667066 DOI: 10.1021/acs.inorgchem.1c00011] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The role of electrochemical interfaces in energy conversion and storage is unprecedented and more so the interlayers of two-dimensional (2D) heterostructures, where the physicochemical nature of these interlayers can be adjusted by cation intercalation. We demonstrate in situ intercalation of Ni2+ and Co2+ with similar ionic radii of ∼0.07 nm in the interlayer of 1T-WS2 while electrodepositing NiCo layered double hydroxide (NiCo-LDH) to create a 2D heterostructure. The extent of intercalation varies with the electrodeposition time. Electrodeposition for 90 s results in 22.4-nm-thick heterostructures, and charge transfer ensues from NiCo-LDH to 1T-WS2, which stabilizes the higher oxidation states of Ni and Co. Density functional theory calculations validate the intercalation principle where the intercalated Ni and Co d electrons contribute to the density of states at the Fermi level of 1T-WS2. Water electrolysis is taken as a representative redox process. The 90 s electrodeposited heterostructure needs the relatively lowest overpotentials of 134 ± 14 and 343 ± 4 mV for hydrogen and oxygen evolution reactions, respectively, to achieve a current density of ±10 mA/cm2 along with exceptional durability for 60 h in 1 M potassium hydroxide. The electrochemical parameters are found to correlate with enhanced mass diffusion through the cation and Cl--intercalated interlayer spacing of 1T-WS2 and the number of active sites. While 1T-WS2 is mostly celebrated as a HER catalyst in an acidic medium, with the help of intercalation chemistry, this work explores an unfound territory of this transition-metal dichalcogenide to catalyze both half-reactions of water electrolysis.
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Affiliation(s)
- Sahanaz Parvin
- Department of Chemical Sciences and Centre for Advanced Functional Materials, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India
| | - Vishwadeepa Hazra
- Department of Chemical Sciences and Centre for Advanced Functional Materials, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India
| | - Anita Gemmy Francis
- Theoretical Sciences Unit, School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560064, India
| | - Swapan K Pati
- Theoretical Sciences Unit, School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560064, India
| | - Sayan Bhattacharyya
- Department of Chemical Sciences and Centre for Advanced Functional Materials, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India
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10
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Wu S, Lu X, Chen X, Gao H, Gao J, Li G. Structure-controlled tungsten carbide nanoplates for enhanced hydrogen evolution reaction. NANO EXPRESS 2021. [DOI: 10.1088/2632-959x/abf2ad] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Abstract
Developing a low-cost and durable non-noble metal eletrocatalyst for hydrogen evolution reaction (HER) is critical in efficient hydrogen production. Herein, tungsten carbide nanoplates (WC NPs) with typical mesoporous structure were prepared by a controlled hydrothermal reaction followed by a gas-solid carburization process. The crystal phases, microstructure and chemical components of the nanoplates were characterized, and their electrochemical properties were measured. The results show that the as-prepared WC NPs expose active sites upmost, and exhibit enhanced conductivity and superior HER performance in acid solution in terms of a small η
10 (overpotential to obtain a current density of 10 mA cm−2) of 120 mV, a Tafel slope of 58 mV dec−1 and outstanding long-term cycling stability. These indicate that the HER properties of WC NPs are dramatically enhanced compared to that of all phase pure WC materials reported in recent years. This enhancement can be attributed to their unique structural and electronic properties, which can be exploited to improve the electrochemical properties of traditional non-noble metal material.
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11
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Wang J, Liao T, Wei Z, Sun J, Guo J, Sun Z. Heteroatom-Doping of Non-Noble Metal-Based Catalysts for Electrocatalytic Hydrogen Evolution: An Electronic Structure Tuning Strategy. SMALL METHODS 2021; 5:e2000988. [PMID: 34927849 DOI: 10.1002/smtd.202000988] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 12/27/2020] [Indexed: 06/14/2023]
Abstract
Electrocatalytic water splitting for hydrogen production is an appealing way to reduce carbon emissions and generate renewable fuels. This promising process, however, is limited by its sluggish reaction kinetics and high-cost catalysts. Construction of low-cost and high-performance non-noble metal-based catalysts have been one of the most effective approaches to address these grand challenges. Notably, the electronic structure tuning strategy, which could subtly tailor the electronic states, band structures, and adsorption ability of the catalysts, has become a pivotal way to further enhance the electrochemical water splitting reactions based on non-noble metal-based catalysts. Particularly, heteroatom-doping plays an effective role in regulating the electronic structure and optimizing the intrinsic activity of the catalysts. Nevertheless, the reaction kinetics, and in particular, the functional mechanisms of the hetero-dopants in catalysts yet remains ambiguous. Herein, the recent progress is comprehensively reviewed in heteroatom doped non-noble metal-based electrocatalysts for hydrogen evolution reaction, particularly focus on the electronic tuning effect of hetero-dopants in the catalysts and the corresponding synthetic pathway, catalytic performance, and activity origin. This review also attempts to establish an intrinsic correlation between the localized electronic structures and the catalytic properties, so as to provide a good reference for developing advanced low-cost catalysts.
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Affiliation(s)
- Jing Wang
- College of Materials and Environmental Engineering, Institute of Advanced Magnetic Materials, Hangzhou Dianzi University, Hangzhou, Zhejiang, 310018, P. R. China
| | - Ting Liao
- School of Mechanical, Medical and Process Engineering, Centre for Materials Science, Queensland University of Technology, Brisbane, Queensland, 4001, Australia
| | - Zhongzhe Wei
- Institute of Industrial Catalysis, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310032, P. R. China
| | - Junting Sun
- College of Materials and Environmental Engineering, Institute of Advanced Magnetic Materials, Hangzhou Dianzi University, Hangzhou, Zhejiang, 310018, P. R. China
| | - Junjie Guo
- College of Materials and Environmental Engineering, Institute of Advanced Magnetic Materials, Hangzhou Dianzi University, Hangzhou, Zhejiang, 310018, P. R. China
| | - Ziqi Sun
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology, Brisbane, Queensland, 4001, Australia
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12
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Rai B, Sarma PV, Srinivasan V, Shaijumon MM, Ramamurthy SS. Engineering of Exciton-Plasmon Coupling Using 2D-WS 2 Nanosheets for 1000-Fold Fluorescence Enhancement in Surface Plasmon-Coupled Emission Platforms. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:1954-1960. [PMID: 33494607 DOI: 10.1021/acs.langmuir.0c03465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Enhancement of fluorescence emission from single-photon quantum emitters on plasmonic nanomaterials using surface plasmon-coupled emission (SPCE) platforms has seen significant advancements. In parallel, there has also been an exponential rise in applications involving two-dimensional (2D) transition-metal dichalcogenides (TMDs) that exhibit unique exciton-plasmon interactions. Although both these Frontier research areas have impacted the development of sensor and sensing technologies, no study coalesces these two arenas for translational applications. In this work, we use thin WS2 nanosheets for realizing 1000-fold fluorescence enhancement on the SPCE platform. Structure-dependent fluorescence enhancement exhibited by WS2 provides new insight into the use of TMDs and exciton-plasmon coupling in SPCE substrates. Cellphone-based detection of the emitting dipole is another unique aspect of this work that presents a low-cost alternative in comparison with high-end detectors.
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Affiliation(s)
- Bebeto Rai
- STAR Laboratory, Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam, Puttaparthi, Anantapur, Andhra Pradesh 515134, India
| | - Prasad V Sarma
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India
| | - Venkatesh Srinivasan
- STAR Laboratory, Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam, Puttaparthi, Anantapur, Andhra Pradesh 515134, India
| | - Manikoth M Shaijumon
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India
| | - Sai Sathish Ramamurthy
- STAR Laboratory, Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam, Puttaparthi, Anantapur, Andhra Pradesh 515134, India
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13
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Chang L, Sun Z, Hu YH. 1T Phase Transition Metal Dichalcogenides for Hydrogen Evolution Reaction. ELECTROCHEM ENERGY R 2021. [DOI: 10.1007/s41918-020-00087-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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14
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Boppella R, Tan J, Yun J, Manorama SV, Moon J. Anion-mediated transition metal electrocatalysts for efficient water electrolysis: Recent advances and future perspectives. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213552] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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15
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Chen Z, Ma X, Hu J, Wan F, Xu P, Wang G, Wang M, Deng S, Huang C. Band alignment of Zr 2CO 2/MoS 2 heterostructures under an electric field. NEW J CHEM 2021. [DOI: 10.1039/d1nj02440j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Tunable energy bands of Zr2CO2/MoS2 heterostructures by an external electric field.
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Affiliation(s)
- Zhangze Chen
- School of Science, Hubei University of Technology, Wuhan 430068, China
| | - Xinguo Ma
- School of Science, Hubei University of Technology, Wuhan 430068, China
| | - Jisong Hu
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Fengda Wan
- School of Science, Hubei University of Technology, Wuhan 430068, China
| | - Peng Xu
- School of Science, Hubei University of Technology, Wuhan 430068, China
| | - Guoyu Wang
- School of Science, Hubei University of Technology, Wuhan 430068, China
| | - Mei Wang
- School of Science, Hubei University of Technology, Wuhan 430068, China
| | - Shuiquan Deng
- Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Chuyun Huang
- School of Science, Hubei University of Technology, Wuhan 430068, China
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16
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Investigation of polymer-derived Si-(B)-C-N ceramic/reduced graphene oxide composite systems as active catalysts towards the hydrogen evolution reaction. Sci Rep 2020; 10:22003. [PMID: 33319809 PMCID: PMC7738544 DOI: 10.1038/s41598-020-78558-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 11/23/2020] [Indexed: 12/03/2022] Open
Abstract
Hydrogen Evolution Reaction (HER) is an attractive technology for chemical conversion of energy. Replacement of platinum with inexpensive and stable electrocatalysts remains a major bottleneck hampering large-scale hydrogen production by using clean and renewable energy sources. Here, we report electrocatalytically active and ultra-stable Polymer-Derived Ceramics towards HER. We successfully prepared ultrathin silicon and carbon (Si–C) based ceramic systems supported on electrically conducting 2D reduced graphene oxide (rGO) nanosheets with promising HER activity by varying the nature and the composition of the ceramic with the inclusion of nitrogen, boron and oxygen. Our results suggest that oxygen-enriched Si-B-C-N/rGO composites (O-SiBCN/rGO) display the strongest catalytic activity leading to an onset potential and a Tafel slope of − 340 mV and ~ 120 mV dec−1 respectively. O-SiBCN/rGO electrodes display stability over 170 h with minimal increase of 14% of the overpotential compared to ~ 1700% for commercial platinum nanoparticles. Our study provides new insights on the performance of ceramics as affordable and robust HER catalysts calling for further exploration of the electrocatalytic activity of such unconventional materials.
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17
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Wang H, Xu Z, Zhang Z, Hu S, Ma M, Zhang Z, Zhou W, Liu H. Addressable surface engineering for N-doped WS 2 nanosheet arrays with abundant active sites and the optimal local electronic structure for enhanced hydrogen evolution reaction. NANOSCALE 2020; 12:22541-22550. [PMID: 33150907 DOI: 10.1039/d0nr06354a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The precise control over the geometric and electronic structures of active materials on flexible substrates is of great importance to address the current challenges in optimizing and developing high-performance flexible devices for energy conversion and storage. In this work, an addressable surface was demonstrated to engineer structurally controllable active nanomaterials for electrocatalytic hydrogen evolution. The nanostructures of WS2/MOF/metal hydroxide/oxide with different formation energy barriers electrodes could be tuned by modifying the ratio of O/C and the concentration of carbon defects at the surface of carbon cloth. The morphological structure of the vertical WS2 nanosheets that are favorable to electrocatalysis was found to be highly related to the addressable surface of carbon cloth though heterogeneous nucleation and the interactions between the monomers and surface functional groups. Moreover, the electronic structure of WS2 was further modified with N doping (N-WS2) to deliver an addressable surface for the reaction species involved in the electrocatalytic hydrogen evolution reaction (HER), and the resultant N-WS2 exhibited enhanced HER activity compared with the original WS2. The systematic experimental research and electronic-structure density functional theory (DFT) calculations demonstrated the interesting features of the N dopant: (i) the strong hybridization of the p orbital of dopant N with d orbital of W and p orbital of S atoms (W d-S p-N p hybridization) close to the Fermi level can disperse the conducting charges, thus leading to an improved conductivity across the basal plane of WS2 nanosheets; (ii) the local electron transfer from W to N atoms provides the local charge, thus promoting the H adsorption process in the HER for N-WS2. Our research can be expected to offer new perspectives in the precise construction of highly reactive nanostructures toward high-efficiency and highly stable flexible devices for energy conversion and storage.
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Affiliation(s)
- Haiqing Wang
- Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan, 250022, China.
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18
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Liu L, Qu S, Yang Z, Chen Y. Fractionation of Dye/NaCl Mixtures Using Loose Nanofiltration Membranes Based on the Incorporation of WS2 in Self-Assembled Layer-by-Layer Polymeric Electrolytes. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c03519] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Lei Liu
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, P. R. China
- Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun 130022, P. R. China
| | - Shaoyi Qu
- School of Materials Science and Engineering, State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin 300387, P. R. China
| | - Zhaoxian Yang
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, P. R. China
| | - Yingbo Chen
- School of Materials Science and Engineering, State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin 300387, P. R. China
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19
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Bhavanari M, Lee KR, Su BJ, Dutta D, Hung YH, Tseng CJ, Su CY. MoS x on Nitrogen-Doped Graphene for High-Efficiency Hydrogen Evolution Reaction: Unraveling the Mechanisms of Unique Interfacial Bonding for Efficient Charge Transport and Stability. ACS APPLIED MATERIALS & INTERFACES 2020; 12:34825-34836. [PMID: 32644795 DOI: 10.1021/acsami.0c07152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Functional nanostructures with abundant exposed active sites and facile charge transport through conductive scaffolds to active sites are pivotal for developing an advanced and efficient electrocatalyst for water splitting. In the present study, by coating ∼3 nm MoSx on nitrogen-doped graphene (NG) pre-engrafted on a flexible carbon cloth (MNG) as a model system, an extremely low Tafel slope of 39.6 mV dec-1 with cyclic stability up to 5000 cycles is obtained. The specific fraction of N on the NG framework is also analyzed by X-ray photoelectron spectroscopy and X-ray absorption near edge spectroscopy with synchrotron radiation light sources, and it is found that the MoSx particles are selectively positioned on the specific graphitic N sites, forming the unique Mo-N-C bonding state. This Mo-N-C bonding is founded to facilitate highly effective charge transfer directly to the active sulfur sites on the edges of MoSx, leading to a highly improved hydrogen evolution reaction (HER) with excellent stability (95% retention @ 5000 cycles). The functional anchoring of MoSx by such bonding prevents particle aggregation, which plays a significant role in maintaining the stability and activity of the catalyst. Furthermore, it has been revealed that MNG samples with adequately high amounts of both pyridinic and graphitic N result in the best HER performance. This work helps in understanding the mechanisms and bonding interactions within various catalysts and the scaffold electrode.
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Affiliation(s)
- Mallikarjun Bhavanari
- Graduate Institute of Energy Engineering, National Central University, Taoyuan City, 32001 Taiwan, ROC
| | - Kan-Rong Lee
- Graduate Institute of Energy Engineering, National Central University, Taoyuan City, 32001 Taiwan, ROC
- Department of Mechanical Engineering, National Central University, Taoyuan City, 32001 Taiwan, ROC
| | - Bing Jian Su
- National Synchrotron Radiation Research Centre, Hsinchu, 30076 Taiwan, ROC
| | - Dipak Dutta
- Graduate Institute of Energy Engineering, National Central University, Taoyuan City, 32001 Taiwan, ROC
| | - Yu-Han Hung
- Graduate Institute of Energy Engineering, National Central University, Taoyuan City, 32001 Taiwan, ROC
| | - Chung-Jen Tseng
- Graduate Institute of Energy Engineering, National Central University, Taoyuan City, 32001 Taiwan, ROC
- Department of Mechanical Engineering, National Central University, Taoyuan City, 32001 Taiwan, ROC
| | - Ching-Yuan Su
- Graduate Institute of Energy Engineering, National Central University, Taoyuan City, 32001 Taiwan, ROC
- Department of Mechanical Engineering, National Central University, Taoyuan City, 32001 Taiwan, ROC
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20
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Sarma PV, Vineesh TV, Kumar R, Sreepal V, Prasannachandran R, Singh AK, Shaijumon MM. Nanostructured Tungsten Oxysulfide as an Efficient Electrocatalyst for Hydrogen Evolution Reaction. ACS Catal 2020. [DOI: 10.1021/acscatal.9b04177] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Prasad V. Sarma
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India
| | - Thazhe Veettil Vineesh
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India
| | - Ritesh Kumar
- Materials Research Centre, Indian Institute of Science Bangalore, Karnataka 560012, India
| | - Vishnu Sreepal
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India
| | - Ranjith Prasannachandran
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India
| | - Abhishek K. Singh
- Materials Research Centre, Indian Institute of Science Bangalore, Karnataka 560012, India
| | - Manikoth M. Shaijumon
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Thiruvananthapuram, Kerala 695551, India
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21
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Wang W, Xu J, Xu Z, Zheng W, Wang Y, Jia Y, Ma J, Wang C, Xie W. Ultrafine antimony (Sb) nanoparticles encapsulated into a carbon microfiber framework as an excellent LIB anode with a superlong life of more than 5000 cycles. NANOTECHNOLOGY 2020; 31:215403. [PMID: 32031997 DOI: 10.1088/1361-6528/ab73b8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Antimony (Sb) anode has attracted increasing attention given its high theoretical capacity and suitable working potential. Nonetheless, its practical application is largely hindered by huge volume changes during the cyclic process, resulting in unsatisfactory long-term cycled stabilities at high current density. In this work, large-scale ultrafine Sb nanoparticles are functionally designed to encapsulate into a 3D carbon microfiber framework (CMF) via a scalable electrospinning approach followed by a thermal treatment process. This fabrication strategy effectively avoids the change in the volume of the Sb anode and provides a fast conductive network to serve as an efficient 3D e/Li+ transport pathway. Benefiting from this novel structural design, an ultrafine Sb nanoparticles@carbon microfiber framework (U-Sb-NPs@CMF) composite anode used for lithium-ion batteries (LIBs) delivers a high reversible capacity of 622 mAh g-1 after 200 cycles at 0.5 A g-1 and 507 mAh g-1 after 2000 cycles at 2 Ag-1 and a high-capacity retention of 350 mAh g-1 even after 5000 long-term cycles. These outstanding charge-discharge performances suggest that the U-Sb-NPs@CMF composite is a promising candidate for an anode material in the application of LIBs.
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Affiliation(s)
- Wenjie Wang
- Key Laboratory of Advanced Micro/Nano Functional Materials of Henan Province, Xinyang Normal University, Xinyang 464000, People's Republic of China. Energy-Saving Building Materials Innovative Collaboration Center of Henan Province, Xinyang Normal University, Xinyang 464000, People's Republic of China
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22
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Ni Z, Wen H, Zhang S, Guo R, Su N, Liu X, Liu C. Recent Advances in Layered Tungsten Disulfide as Electrocatalyst for Water Splitting. ChemCatChem 2020. [DOI: 10.1002/cctc.202000177] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Zhiyuan Ni
- School of Materials Science and Engineering Northeastern University Shenyang 110819 P. R. China
| | - Hui Wen
- School of Materials Science and Engineering Northeastern University Shenyang 110819 P. R. China
| | - Shengqi Zhang
- School of Materials Science and Engineering Northeastern University Shenyang 110819 P. R. China
| | - Rui Guo
- School of Materials Science and Engineering Northeastern University Shenyang 110819 P. R. China
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education) College of Chemistry Nankai University Tianjin 300071 P. R. China
- School of Resources and Materials Northeastern University at Qinhuangdao Qinhuangdao 066004 P. R. China
| | - Na Su
- School of Resources and Materials Northeastern University at Qinhuangdao Qinhuangdao 066004 P. R. China
| | - Xuanwen Liu
- School of Materials Science and Engineering Northeastern University Shenyang 110819 P. R. China
- School of Resources and Materials Northeastern University at Qinhuangdao Qinhuangdao 066004 P. R. China
| | - Chunming Liu
- School of Materials Science and Engineering Northeastern University Shenyang 110819 P. R. China
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23
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Rasheed PA, Pandey RP, Gomez T, Naguib M, Mahmoud KA. Large interlayer spacing Nb4C3Tx (MXene) promotes the ultrasensitive electrochemical detection of Pb2+ on glassy carbon electrodes. RSC Adv 2020; 10:24697-24704. [PMID: 35516227 PMCID: PMC9055209 DOI: 10.1039/d0ra04377j] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 06/18/2020] [Indexed: 01/25/2023] Open
Abstract
Large interlayer spacing Nb4C3Tx (MXene) promotes the ultrasensitive electrochemical detection of Pb2+ on glassy carbon electrodes
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Affiliation(s)
- P. Abdul Rasheed
- Qatar Environment and Energy Research Institute (QEERI)
- Hamad Bin Khalifa University (HBKU)
- Qatar Foundation
- Doha
- Qatar
| | - Ravi P. Pandey
- Qatar Environment and Energy Research Institute (QEERI)
- Hamad Bin Khalifa University (HBKU)
- Qatar Foundation
- Doha
- Qatar
| | - Tricia Gomez
- Qatar Environment and Energy Research Institute (QEERI)
- Hamad Bin Khalifa University (HBKU)
- Qatar Foundation
- Doha
- Qatar
| | - Michael Naguib
- Department of Physics and Engineering Physics
- Tulane University
- New Orleans
- USA
| | - Khaled A. Mahmoud
- Qatar Environment and Energy Research Institute (QEERI)
- Hamad Bin Khalifa University (HBKU)
- Qatar Foundation
- Doha
- Qatar
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24
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Sarma PV, Kayal A, Sharma CH, Thalakulam M, Mitra J, Shaijumon MM. Electrocatalysis on Edge-Rich Spiral WS 2 for Hydrogen Evolution. ACS NANO 2019; 13:10448-10455. [PMID: 31441643 DOI: 10.1021/acsnano.9b04250] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Transition metal dichalcogenides (TMDs) exhibit promising catalytic properties for hydrogen generation, and several approaches including defect engineering have been shown to increase the active catalytic sites. Despite preliminary understandings in defect engineering, insights on the role of various types of defects in TMDs for hydrogen evolution catalysis are limited. Screw dislocation-driven (SDD) growth is a line defect and yields fascinating spiral and pyramidal morphologies for TMDs with a large number of edge sites, resulting in very interesting electronic and catalytic properties. The role of dislocation lines and edge sites of these spiral structures on their hydrogen evolution catalytic properties is unexplored. Here we show that the large number of active edge sites connected together by dislocation lines in the vertical direction for a spiral WS2 domain results in exceptional catalytic properties toward hydrogen evolution reaction. A micro-electrochemical cell fabricated by photo- and electron beam-lithography processes is used to study the electrocatalytic activity of a single spiral WS2 domain, controllably grown by chemical vapor deposition. Conductive atomic force microscopy studies show improved vertical conduction for the spiral domain, which is compared with monolayer and mechanically exfoliated thick WS2 flakes. The obtained results are interesting and shed light on the role of SDD line defects, which contribute to large number of edge sites without compromising the vertical electrical conduction, on the electrocatalytic properties of TMDs for hydrogen evolution.
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Affiliation(s)
- Prasad V Sarma
- School of Physics , Indian Institute of Science Education and Research Thiruvananthapuram , Maruthamala PO, Thiruvananthapuram , Kerala 695551 , India
| | - Arijit Kayal
- School of Physics , Indian Institute of Science Education and Research Thiruvananthapuram , Maruthamala PO, Thiruvananthapuram , Kerala 695551 , India
| | - Chithra H Sharma
- School of Physics , Indian Institute of Science Education and Research Thiruvananthapuram , Maruthamala PO, Thiruvananthapuram , Kerala 695551 , India
| | - Madhu Thalakulam
- School of Physics , Indian Institute of Science Education and Research Thiruvananthapuram , Maruthamala PO, Thiruvananthapuram , Kerala 695551 , India
| | - J Mitra
- School of Physics , Indian Institute of Science Education and Research Thiruvananthapuram , Maruthamala PO, Thiruvananthapuram , Kerala 695551 , India
| | - M M Shaijumon
- School of Physics , Indian Institute of Science Education and Research Thiruvananthapuram , Maruthamala PO, Thiruvananthapuram , Kerala 695551 , India
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25
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Zhu Q, Chen W, Cheng H, Lu Z, Pan H. WS
2
Nanosheets with Highly‐Enhanced Electrochemical Activity by Facile Control of Sulfur Vacancies. ChemCatChem 2019. [DOI: 10.1002/cctc.201900341] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Qing Zhu
- Joint Key Laboratory of the Ministry of Education Institute of Applied Physics and Materials EngineeringUniversity of Macau Macao SAR 999078 P. R. China
| | - Wenzhou Chen
- Joint Key Laboratory of the Ministry of Education Institute of Applied Physics and Materials EngineeringUniversity of Macau Macao SAR 999078 P. R. China
| | - Hua Cheng
- Department of Materials Science and EngineeringSouthern University of Science and Technology Shenzhen 518055, Guangdong P. R. China
| | - Zhouguang Lu
- Department of Materials Science and EngineeringSouthern University of Science and Technology Shenzhen 518055, Guangdong P. R. China
| | - Hui Pan
- Joint Key Laboratory of the Ministry of Education Institute of Applied Physics and Materials EngineeringUniversity of Macau Macao SAR 999078 P. R. China
- Department of Physics and Chemistry Faculty of Science and TechnologyUniversity of Macau Macao SAR 999078 P. R. China
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26
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Xu J, Cheng X, Liu T, Yu Y, Song L, You Y, Wang T, Zhang J. Oxygen-incorporated and layer-by-layer stacked WS 2 nanosheets for broadband, self-driven and fast-response photodetection. NANOSCALE 2019; 11:6810-6816. [PMID: 30912545 DOI: 10.1039/c8nr10350j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Two-dimensional (2D) layered WS2 nanosheets have been regarded as exciting and emerging candidate materials in constructing high performance photodetectors. In this work, we develop a facile solvothermal method to synthesize oxygen-doped WS2 microrods composed of layer-by-layer stacked nanosheets. The WS2 microrods exhibit an obvious bandgap of 1.2 eV, together with a broad near-infrared (NIR) absorption after 1100 nm. The unique absorption can be ascribed to the oxygen-incorporation-induced localized surface plasmon resonance (LSPR) effect. A hybrid WS2/Si heterojunction, which allows the combination of the WS2 microrods with a mature silicon platform, is then constructed by a facile spin-coating fabrication process to investigate the photoresponse properties. Benefitting from the remarkable photovoltaic performance, the WS2/Si heterojunction acts as a self-driven photodetector with outstanding characteristics. The photodetector exhibits a decent responsivity (R) of 1.5 A W-1, a high specific detectivity (D*) of ∼2 × 1012 Jones, fast response speeds with rise/fall times of 2.0/7.2 μs, and good ambient stability (2 months) at zero bias. Notably, the photodetector is still sensitive at a broadband wavelength in the NIR region (1100-2000 nm). The broadband response is attributed to the LSPR effect of the oxygen-incorporated WS2. These results suggest great potential of the oxygen-incorporated WS2/Si heterojunctions in NIR light detection.
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Affiliation(s)
- Jun Xu
- School of Electronic Science & Applied Physics, and Micro Electromechanical System Research Center of Engineering and Technology of Anhui Province, Hefei University of Technology, Hefei 230009, P.R. China.
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27
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Yu C, Lu J, Luo L, Xu F, Shen PK, Tsiakaras P, Yin S. Bifunctional catalysts for overall water splitting: CoNi oxyhydroxide nanosheets electrodeposited on titanium sheets. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.01.149] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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28
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Prasannachandran R, Vineesh TV, Anil A, Krishna BM, Shaijumon MM. Functionalized Phosphorene Quantum Dots as Efficient Electrocatalyst for Oxygen Evolution Reaction. ACS NANO 2018; 12:11511-11519. [PMID: 30362353 DOI: 10.1021/acsnano.8b06671] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Phosphorene has attracted great interest in the rapidly emerging field of two-dimensional layered nanomaterials. Recent studies show promising electrocatalytic activity of few-layered phosphorene sheets toward the oxygen evolution reaction (OER). However, controllable synthesis of mono/few-layered phosphorene nanostructures with a large number of electrocatalytically active sites and exposed surface area is important to achieve significant enhancement in OER activity. Here, a novel strategy for controlled synthesis and in situ surface functionalization of phosphorene quantum dots (PQDs) using a single-step electrochemical exfoliation process is demonstrated. Phosphorene quantum dots functionalized with nitrogen-containing groups (FPQDs) exhibit efficient and stable electrocatalytic activity for OER with an overpotential of 1.66 V @ 10 mA cm-2, a low Tafel slope of 48 mV dec-1, and excellent stability. Further, we observe enhanced electron transfer kinetics for FPQDs toward the Fe2+/Fe3+ redox probe in comparison with pristine PQDs. The results demonstrate the promising potential of phosphorene as technologically viable OER electrodes for water-splitting devices.
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Affiliation(s)
- Ranjith Prasannachandran
- School of Physics , Indian Institute of Science Education and Research Thiruvananthapuram , Maruthamala PO , Thiruvananthapuram , Kerala 695551 , India
| | - Thazhe Veettil Vineesh
- School of Physics , Indian Institute of Science Education and Research Thiruvananthapuram , Maruthamala PO , Thiruvananthapuram , Kerala 695551 , India
| | - Athira Anil
- School of Physics , Indian Institute of Science Education and Research Thiruvananthapuram , Maruthamala PO , Thiruvananthapuram , Kerala 695551 , India
| | - B Murali Krishna
- Department of Chemistry , CMS College , Kottayam , Kerala 686001 , India
| | - Manikoth M Shaijumon
- School of Physics , Indian Institute of Science Education and Research Thiruvananthapuram , Maruthamala PO , Thiruvananthapuram , Kerala 695551 , India
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One-pot colloidal synthesis of MoSe2–Pt nanoflowers and their enhanced electrocatalytic hydrogen evolution performance. RESEARCH ON CHEMICAL INTERMEDIATES 2018. [DOI: 10.1007/s11164-018-3665-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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