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Cervantes-Diaz KB, Drobek M, Julbe A, Cambedouzou J. SiC Foams for the Photocatalytic Degradation of Methylene Blue under Visible Light Irradiation. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1328. [PMID: 36836960 PMCID: PMC9959366 DOI: 10.3390/ma16041328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 01/30/2023] [Accepted: 02/02/2023] [Indexed: 06/18/2023]
Abstract
SiC foams were synthesized by impregnating preceramic polymer into polyurethane foam templates, resulting in a photo-catalytically active material for the degradation of methylene blue. The crystalline structure, electronic properties, and photocatalytic performance of the SiC foams were characterized using a series of experimental techniques, including X-ray diffraction, electron microscopy, energy dispersive X-ray spectroscopy, N2 physisorption measurements, UV-visible spectroscopy, and methylene blue photodegradation tests. The original polyurethane template's microporous structure was maintained during the formation of the SiC foam, while additional mesopores were introduced by the porogen moieties added to the preceramic polymers. The prepared SiC-based photocatalyst showed attractive photocatalytic activity under visible light irradiation. This structured and reactive material offers good potential for application as a catalytic contactor or membrane reactor for the semi-continuous treatment of contaminated waste waters in ambient conditions.
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Tuci G, Liu Y, Rossin A, Guo X, Pham C, Giambastiani G, Pham-Huu C. Porous Silicon Carbide (SiC): A Chance for Improving Catalysts or Just Another Active-Phase Carrier? Chem Rev 2021; 121:10559-10665. [PMID: 34255488 DOI: 10.1021/acs.chemrev.1c00269] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
There is an obvious gap between efforts dedicated to the control of chemicophysical and morphological properties of catalyst active phases and the attention paid to the search of new materials to be employed as functional carriers in the upgrading of heterogeneous catalysts. Economic constraints and common habits in preparing heterogeneous catalysts have narrowed the selection of active-phase carriers to a handful of materials: oxide-based ceramics (e.g. Al2O3, SiO2, TiO2, and aluminosilicates-zeolites) and carbon. However, these carriers occasionally face chemicophysical constraints that limit their application in catalysis. For instance, oxides are easily corroded by acids or bases, and carbon is not resistant to oxidation. Therefore, these carriers cannot be recycled. Moreover, the poor thermal conductivity of metal oxide carriers often translates into permanent alterations of the catalyst active sites (i.e. metal active-phase sintering) that compromise the catalyst performance and its lifetime on run. Therefore, the development of new carriers for the design and synthesis of advanced functional catalytic materials and processes is an urgent priority for the heterogeneous catalysis of the future. Silicon carbide (SiC) is a non-oxide semiconductor with unique chemicophysical properties that make it highly attractive in several branches of catalysis. Accordingly, the past decade has witnessed a large increase of reports dedicated to the design of SiC-based catalysts, also in light of a steadily growing portfolio of porous SiC materials covering a wide range of well-controlled pore structure and surface properties. This review article provides a comprehensive overview on the synthesis and use of macro/mesoporous SiC materials in catalysis, stressing their unique features for the design of efficient, cost-effective, and easy to scale-up heterogeneous catalysts, outlining their success where other and more classical oxide-based supports failed. All applications of SiC in catalysis will be reviewed from the perspective of a given chemical reaction, highlighting all improvements rising from the use of SiC in terms of activity, selectivity, and process sustainability. We feel that the experienced viewpoint of SiC-based catalyst producers and end users (these authors) and their critical presentation of a comprehensive overview on the applications of SiC in catalysis will help the readership to create its own opinion on the central role of SiC for the future of heterogeneous catalysis.
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Affiliation(s)
- Giulia Tuci
- Institute of Chemistry of OrganoMetallic Compounds, ICCOM-CNR and Consorzio INSTM, Via Madonna del Piano, 10, 50019 Sesto F.no, Florence, Italy
| | - Yuefeng Liu
- Dalian National Laboratory for Clean Energy (DNL), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, 116023 Dalian, China
| | - Andrea Rossin
- Institute of Chemistry of OrganoMetallic Compounds, ICCOM-CNR and Consorzio INSTM, Via Madonna del Piano, 10, 50019 Sesto F.no, Florence, Italy
| | - Xiangyun Guo
- School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Charlotte Pham
- SICAT SARL, 20 place des Halles, 67000 Strasbourg, France
| | - Giuliano Giambastiani
- Institute of Chemistry of OrganoMetallic Compounds, ICCOM-CNR and Consorzio INSTM, Via Madonna del Piano, 10, 50019 Sesto F.no, Florence, Italy.,Institute of Chemistry and Processes for Energy, Environment and Health (ICPEES), ECPM, UMR 7515 of the CNRS-University of Strasbourg, 25 rue Becquerel, 67087 Strasbourg Cedex 02, France
| | - Cuong Pham-Huu
- Institute of Chemistry and Processes for Energy, Environment and Health (ICPEES), ECPM, UMR 7515 of the CNRS-University of Strasbourg, 25 rue Becquerel, 67087 Strasbourg Cedex 02, France
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Photocatalytic C–X borylation of aryl halides by hierarchical SiC nanowire-supported Pd nanoparticles. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(19)63449-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Geng D, Hu J, Fu W, Ang LK, Yang HY. Graphene-Induced in Situ Growth of Monolayer and Bilayer 2D SiC Crystals Toward High-Temperature Electronics. ACS APPLIED MATERIALS & INTERFACES 2019; 11:39109-39115. [PMID: 31573176 DOI: 10.1021/acsami.9b14069] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A reproducible graphene-induced in situ process is demonstrated for the first time for growing large-scale monolayer and bilayer cubic silicon carbide (SiC) crystals on a liquid Cu surface by chemical vapor deposition (CVD) method. Precise control over the morphology of SiC crystals is further realized by modulating growth conditions, thus leading to the formation of several shaped SiC crystals ranging from triangular, rectangular, pentagonal, and even to hexagonal kind. Simulations based on density functional theory are carried out to elucidate the growth mechanism of SiC flakes with various morphologies, which are in striking consistency with experimental observations. In the liquid Cu-assisted CVD system, growth temperature (∼1100 °C) enables sublimation and deposition of silicon oxide (SiO2) derived from quartz tube, while liquid Cu facilitates preformation of graphene originated from methane. The SiO2 and graphene, grown and reacted in situ in the CVD process, are served as the silicon and carbon source for the cubic SiC crystals, respectively. Moreover, the gradual transformation process from SiO2 particles to SiC flakes is directly observed, with several middle stages clearly displayed. The direct in situ growth of SiC crystals offers a novel method for scaled production of SiC crystals and is beneficial to understand its growth mechanism, and thus push forward the way to develop high-temperature and high-frequency electronic devices.
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Affiliation(s)
- Dechao Geng
- Pillar of Engineering Product Development , Singapore University of Technology and Design , 8 Somapah Road , Singapore 487372
| | - Junping Hu
- Pillar of Engineering Product Development , Singapore University of Technology and Design , 8 Somapah Road , Singapore 487372
| | - Wei Fu
- Department of Chemistry and Centre for Advanced 2D Materials , National University of Singapore , 3 Science Drive 3 , Singapore 17543
| | - Lay Kee Ang
- Pillar of Engineering Product Development , Singapore University of Technology and Design , 8 Somapah Road , Singapore 487372
| | - Hui Ying Yang
- Pillar of Engineering Product Development , Singapore University of Technology and Design , 8 Somapah Road , Singapore 487372
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Han C, Lei Y, Wang B, Wang Y. In Situ-Fabricated 2D/2D Heterojunctions of Ultrathin SiC/Reduced Graphene Oxide Nanosheets for Efficient CO 2 Photoreduction with High CH 4 Selectivity. CHEMSUSCHEM 2018; 11:4237-4245. [PMID: 30300976 DOI: 10.1002/cssc.201802088] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 10/08/2018] [Indexed: 06/08/2023]
Abstract
Photoreduction of CO2 into fuel molecules such as CH4 represents a promising route to simultaneously explore renewable energy and alleviate global warming. However, the implementation of such a process is hampered by low product yields and poor selectivity. A 2D/2D heterojunction of ultrathin SiC and reduced graphene oxide (RGO) nanosheets was fabricated in situ for efficient and selective photoreduction of CO2 . Ultrathin SiC suppresses significant charge recombination in the bulk phase, thus providing more energetic electrons. The robust 2D/2D heterojunction allows fast transfer of energetic electrons from SiC to RGO. Combining the vital role of RGO in facilitating CO2 activation, the optimized SiC/RGO exhibits an electron-transfer rate of 58.17 μmol h-1 g-1 towards CO2 reduction, 2.7 times that of pure SiC (20.25 μmol h-1 g-1 ). About 92 % of the transferred electrons from SiC are devoted to generating CH4 (6.72 μmol h-1 g-1 ). Such high efficiency and selectivity are mainly a result of the densely accumulated energetic electrons within RGO, which facilitate the eight-electron process to produce CH4 . This work will inspire the design of catalyst/cocatalyst systems for efficient and selective photoreduction of CO2 .
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Affiliation(s)
- Cheng Han
- Science and Technology on Advanced Ceramic Fiber and Composites, Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, 410073, P. R. China
| | - Yongpeng Lei
- State Key Laboratory for Powder Metallurgy & School of Aeronautics and Astronautics, Central South University, Changsha, 410083, P. R. China
| | - Bing Wang
- Science and Technology on Advanced Ceramic Fiber and Composites, Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, 410073, P. R. China
| | - Yingde Wang
- Science and Technology on Advanced Ceramic Fiber and Composites, Laboratory, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, 410073, P. R. China
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Promising application of SiC without co-catalyst in photocatalysis and ozone integrated process for aqueous organics degradation. Catal Today 2018. [DOI: 10.1016/j.cattod.2018.01.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Aslam M, Qamar MT, Ahmed I, Rehman AU, Ali S, Ismail IMI, Hameed A. The suitability of silicon carbide for photocatalytic water oxidation. APPLIED NANOSCIENCE 2018. [DOI: 10.1007/s13204-018-0772-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Wu H, Li X, Tung C, Wu L. Recent Advances in Sensitized Photocathodes: From Molecular Dyes to Semiconducting Quantum Dots. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1700684. [PMID: 29721417 PMCID: PMC5908380 DOI: 10.1002/advs.201700684] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 11/14/2017] [Indexed: 05/19/2023]
Abstract
The increasing demand for sustainable and environmentally benign energy has stimulated intense research to establish highly efficient photo-electrochemical (PEC) cells for direct solar-to-fuel conversion via water splitting. Light absorption, as the initial step of the catalytic process, is regarded as the foundation of establishing highly efficient PEC systems. To make full use of visible light, sensitization on photoelectrodes using either molecular dyes or semiconducting quantum dots provides a promising method. In this field, however, there remain many fundamental issues to be solved, which need in-depth study. Here, fundamental knowledge of PEC systems is introduced to enable readers a better understanding of this field. Then, the development history and current state in both molecular dye- and quantum dot-sensitized photocathodes for PEC water splitting are discussed. A systematical comparison between the two systems has been made. Special emphasis is placed on the research of quantum dot-sensitized photocathodes, which have shown superiority in both efficiency and durability towards PEC water splitting at the present stage. Finally, the opportunities and challenges in the future for sensitized PEC water-splitting systems are proposed.
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Affiliation(s)
- Hao‐Lin Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryThe Chinese Academy of SciencesBeijing100190P. R. China
- School of Future TechnologyUniversity of Chinese Academy of SciencesBeijing100049P. R. China
| | - Xu‐Bing Li
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryThe Chinese Academy of SciencesBeijing100190P. R. China
- School of Future TechnologyUniversity of Chinese Academy of SciencesBeijing100049P. R. China
| | - Chen‐Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryThe Chinese Academy of SciencesBeijing100190P. R. China
- School of Future TechnologyUniversity of Chinese Academy of SciencesBeijing100049P. R. China
| | - Li‐Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryThe Chinese Academy of SciencesBeijing100190P. R. China
- School of Future TechnologyUniversity of Chinese Academy of SciencesBeijing100049P. R. China
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Wang B, Wang Y, Li J, Guo X, Bai G, Tong X, Jin G, Guo X. Photocatalytic Sonogashira reaction over silicon carbide supported Pd–Cu alloy nanoparticles under visible light irradiation. Catal Sci Technol 2018. [DOI: 10.1039/c8cy00618k] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PdCu alloy nanoparticles supported on SiC can efficiently catalyze the Sonogashira reaction by visible light irradiation under ligand-free and mild conditions. The superior catalytic activity of PdCu catalysts was caused by the synergistic effect of PdCu alloy nanoparticles.
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Affiliation(s)
- Bing Wang
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- China
- University of the Chinese Academy of Sciences
- Beijing 100039
| | - Yingyong Wang
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- China
| | - Jiazhou Li
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- China
- University of the Chinese Academy of Sciences
- Beijing 100039
| | - Xiaoning Guo
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- China
| | - Gailing Bai
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- China
| | - Xili Tong
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- China
| | - Guoqiang Jin
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- China
| | - Xiangyun Guo
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences
- Taiyuan 030001
- China
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Beke D, Horváth K, Kamarás K, Gali A. Surface-Mediated Energy Transfer and Subsequent Photocatalytic Behavior in Silicon Carbide Colloid Solutions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:14263-14268. [PMID: 29171265 DOI: 10.1021/acs.langmuir.7b03433] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We demonstrate that particle-particle interaction affects the photocatalytic efficiency of colloids. Colloid silicon carbide nanoparticles were examined by varying their size, size distribution, and surface chemistry, and we found that surface moieties show no effect on the individual particles but dramatically affect the collective photocatalytic efficiency of the system.
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Affiliation(s)
- David Beke
- Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Hungarian Academy of Sciences , P.O. Box 49, H-1525 Budapest, Hungary
| | - Klaudia Horváth
- Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Hungarian Academy of Sciences , P.O. Box 49, H-1525 Budapest, Hungary
| | - Katalin Kamarás
- Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Hungarian Academy of Sciences , P.O. Box 49, H-1525 Budapest, Hungary
| | - Adam Gali
- Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Hungarian Academy of Sciences , P.O. Box 49, H-1525 Budapest, Hungary
- Department of Atomic Physics, Budapest University of Technology and Economics , Budafoki út 8, H-1111 Budapest, Hungary
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11
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Kormányos A, Ondok R, Janáky C. Electrosynthesis and photoelectrochemical properties of polyaniline/SiC nanohybrid electrodes. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.10.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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12
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Gliniak J, Lin JH, Chen YT, Li CR, Jokar E, Chang CH, Peng CS, Lin JN, Lien WH, Tsai HM, Wu TK. Sulfur-Doped Graphene Oxide Quantum Dots as Photocatalysts for Hydrogen Generation in the Aqueous Phase. CHEMSUSCHEM 2017; 10:3260-3267. [PMID: 28656618 DOI: 10.1002/cssc.201700910] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 06/12/2017] [Indexed: 06/07/2023]
Abstract
Sulfur-doped graphene oxide quantum dots (S-GOQDs) were synthesized and investigated for efficient photocatalytic hydrogen generation application. The UV/Vis, FTIR, and photoluminescence spectra of the synthesized S-GOQDs exhibit three absorption bands at 333, 395, and 524 nm, characteristic of C=S and C-S stretching vibration signals at 1075 and 690 cm-1 , and two excitation-wavelength-independent emission signals with maxima at 451 and 520 nm, respectively, confirming the successful doping of S atom into the GOQDs. Electronic structural analysis suggested that the S-GOQDs exhibit conduction band minimum (CBM) and valence band maximum (VBM) levels suitable for water splitting. Under direct sunlight irradiation, an initial rate of 18 166 μmol h-1 g-1 in pure water and 30 519 μmol h-1 g-1 in 80 % ethanol aqueous solution were obtained. Therefore, metal-free and inexpensive S-GOQDs hold great potential in the development of sustainable and environmentally friendly photocatalysts for efficient hydrogen generation from water splitting.
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Affiliation(s)
- Jacek Gliniak
- Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin-Chu, Taiwan, P. R. China
| | - Jia-Hoa Lin
- Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin-Chu, Taiwan, P. R. China
| | - Yi-Ting Chen
- Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin-Chu, Taiwan, P. R. China
| | - Chuen-Ru Li
- Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin-Chu, Taiwan, P. R. China
| | - Efat Jokar
- Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin-Chu, Taiwan, P. R. China
| | - Chin-Hao Chang
- Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin-Chu, Taiwan, P. R. China
| | - Chun-Sheng Peng
- Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin-Chu, Taiwan, P. R. China
| | - Jui-Nien Lin
- Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin-Chu, Taiwan, P. R. China
| | - Wan-Hsiang Lien
- Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin-Chu, Taiwan, P. R. China
| | - Hui-Min Tsai
- Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin-Chu, Taiwan, P. R. China
| | - Tung-Kung Wu
- Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin-Chu, Taiwan, P. R. China
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Wang B, Guo X, Jin G, Guo X. Visible-light-enhanced photocatalytic Sonogashira reaction over silicon carbide supported Pd nanoparticles. CATAL COMMUN 2017. [DOI: 10.1016/j.catcom.2017.03.028] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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14
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Einert M, Weller T, Leichtweiß T, Smarsly BM, Marschall R. Electrospun CuO Nanofibers: Stable Nanostructures for Solar Water Splitting. CHEMPHOTOCHEM 2017. [DOI: 10.1002/cptc.201700050] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Marcus Einert
- Institute of Physical Chemistry; Justus Liebig University Giessen; 35392 Giessen Germany
| | - Tobias Weller
- Institute of Physical Chemistry; Justus Liebig University Giessen; 35392 Giessen Germany
| | - Thomas Leichtweiß
- Center for Materials Research (LaMa); Justus Liebig University Giessen; 35392 Giessen Germany
| | - Bernd M. Smarsly
- Institute of Physical Chemistry; Justus Liebig University Giessen; 35392 Giessen Germany
| | - Roland Marschall
- Institute of Physical Chemistry; Justus Liebig University Giessen; 35392 Giessen Germany
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15
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Wang L, Wang W. A New Strategy to Design Highly Sustainable Sulfide PhotoCatalyst for Hydrogen Production. CHINESE J CHEM 2017. [DOI: 10.1002/cjoc.201600668] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Lu Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics; Chinese Academy of Sciences; Shanghai 200050 China
| | - Wenzhong Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics; Chinese Academy of Sciences; Shanghai 200050 China
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Xu H, Gan Z, Zhou W, Ding Z, Zhang X. A metal-free 3C-SiC/g-C3N4 composite with enhanced visible light photocatalytic activity. RSC Adv 2017. [DOI: 10.1039/c7ra06497g] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Insufficient visible light absorption and fast recombination of the photogenerated electron–hole pairs have seriously hampered the photocatalytic performance of graphitic carbon nitride (g-C3N4) up to now.
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Affiliation(s)
- Hao Xu
- Faculty of Science
- Ningbo University
- Ningbo 315211
- China
| | - Zhixing Gan
- Key Laboratory of Optoelectronic Technology of Jiangsu Province
- School of Physics and Technology
- Nanjing Normal University
- Nanjing 210023
- China
| | - Weiping Zhou
- Department of Applied Physics
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Zuoming Ding
- Key Laboratory of Optoelectronic Technology of Jiangsu Province
- School of Physics and Technology
- Nanjing Normal University
- Nanjing 210023
- China
| | - Xiaowei Zhang
- Faculty of Science
- Ningbo University
- Ningbo 315211
- China
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Baran T, Wojtyła S, Lenardi C, Vertova A, Ghigna P, Achilli E, Fracchia M, Rondinini S, Minguzzi A. An Efficient CuxO Photocathode for Hydrogen Production at Neutral pH: New Insights from Combined Spectroscopy and Electrochemistry. ACS APPLIED MATERIALS & INTERFACES 2016; 8:21250-21260. [PMID: 27468763 DOI: 10.1021/acsami.6b03345] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Light-driven water splitting is one of the most promising approaches for using solar energy in light of more sustainable development. In this paper, a highly efficient p-type copper(II) oxide photocathode is studied. The material, prepared by thermal treatment of CuI nanoparticles, is initially partially reduced upon working conditions and soon reaches a stable form. Upon visible-light illumination, the material yields a photocurrent of 1.3 mA cm(-2) at a potential of 0.2 V vs a reversible hydrogen electrode at mild pH under illumination by AM 1.5 G and retains 30% of its photoactivity after 6 h. This represents an unprecedented result for a nonprotected Cu oxide photocathode at neutral pH. The photocurrent efficiency as a function of the applied potential was determined using scanning electrochemical microscopy. The material was characterized in terms of photoelectrochemical features; X-ray photoelectron spectroscopy, X-ray absorption near-edge structure, fixed-energy X-ray absorption voltammetry, and extended X-ray absorption fine structure analyses were carried out on pristine and used samples, which were used to explain the photoelectrochemical behavior. The optical features of the oxide are evidenced by direct reflectance spectroscopy and fluorescence spectroscopy, and Mott-Schottky analysis at different pH values explains the exceptional activity at neutral pH.
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Affiliation(s)
- Tomasz Baran
- Department of Chemistry, University of Milan , Via Golgi 19, 20133 Milan, Italy
| | - Szymon Wojtyła
- Department of Chemistry, Jagiellonian University , Ingardena 3, 30-060 Krakow, Poland
- SajTom Light Future , 43-354 Czaniec, Poland
| | - Cristina Lenardi
- CIMAINA, Department of Physics, University of Milan , Via Giovanni Celoria 16, 20133 Milan, Italy
| | - Alberto Vertova
- Department of Chemistry, University of Milan , Via Golgi 19, 20133 Milan, Italy
- INSTM, National Inter-University Consortium for Materials Science and Technology , Via San Giusti 9, 50121 Florence, Italy
| | - Paolo Ghigna
- INSTM, National Inter-University Consortium for Materials Science and Technology , Via San Giusti 9, 50121 Florence, Italy
- Department of Chemistry, University of Pavia , Viale Taramelli 13, 27100, Pavia, Italy
| | - Elisabetta Achilli
- Department of Chemistry, University of Pavia , Viale Taramelli 13, 27100, Pavia, Italy
| | - Martina Fracchia
- Department of Chemistry, University of Pavia , Viale Taramelli 13, 27100, Pavia, Italy
| | - Sandra Rondinini
- Department of Chemistry, University of Milan , Via Golgi 19, 20133 Milan, Italy
- INSTM, National Inter-University Consortium for Materials Science and Technology , Via San Giusti 9, 50121 Florence, Italy
| | - Alessandro Minguzzi
- Department of Chemistry, University of Milan , Via Golgi 19, 20133 Milan, Italy
- INSTM, National Inter-University Consortium for Materials Science and Technology , Via San Giusti 9, 50121 Florence, Italy
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Hao CH, Guo XN, Pan YT, Chen S, Jiao ZF, Yang H, Guo XY. Visible-Light-Driven Selective Photocatalytic Hydrogenation of Cinnamaldehyde over Au/SiC Catalysts. J Am Chem Soc 2016; 138:9361-4. [DOI: 10.1021/jacs.6b04175] [Citation(s) in RCA: 198] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Cai-Hong Hao
- State Key Laboratory
of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi 030001, P. R. China
- University of the Chinese Academy of Sciences, Beijing 100039, P. R. China
| | - Xiao-Ning Guo
- State Key Laboratory
of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi 030001, P. R. China
| | - Yung-Tin Pan
- Department of Chemical & Biomolecular Engineering, University of Illinois at Urbana−Champaign, 206 Roger Adams Laboratory, MC-712, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
| | - Shuai Chen
- State Key Laboratory
of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi 030001, P. R. China
| | - Zhi-Feng Jiao
- State Key Laboratory
of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi 030001, P. R. China
- University of the Chinese Academy of Sciences, Beijing 100039, P. R. China
| | - Hong Yang
- Department of Chemical & Biomolecular Engineering, University of Illinois at Urbana−Champaign, 206 Roger Adams Laboratory, MC-712, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
| | - Xiang-Yun Guo
- State Key Laboratory
of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi 030001, P. R. China
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19
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Nanostructured p-Type Semiconductor Electrodes and Photoelectrochemistry of Their Reduction Processes. ENERGIES 2016. [DOI: 10.3390/en9050373] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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20
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Sachsenhauser M, Walczak K, Hampel PA, Stutzmann M, Sharp ID, Garrido JA. Suppression of Photoanodic Surface Oxidation of n-Type 6H-SiC Electrodes in Aqueous Electrolytes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:1637-1644. [PMID: 26795116 DOI: 10.1021/acs.langmuir.5b04376] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The photoelectrochemical characterization of silicon carbide (SiC) electrodes is important for enabling a wide range of potential applications for this semiconductor. However, photocorrosion of the SiC surface remains a key challenge, because this process considerably hinders the deployment of this material into functional devices. In this report, we use cyclic voltammetry to investigate the stability of n-type 6H-SiC photoelectrodes in buffered aqueous electrolytes. For measurements in pure Tris buffer, photogenerated holes accumulate at the interface under anodic polarization, resulting in the formation of a porous surface oxide layer. Two possibilities are presented to significantly enhance the stability of the SiC photoelectrodes. In the first approach, redox molecules are added to the buffer solution to kinetically facilitate hole transfer to these molecules, and in the second approach, water oxidation in the electrolyte is induced by depositing a cobalt phosphate catalyst onto the semiconductor surface. Both methods are found to effectively suppress photocorrosion of the SiC electrodes, as confirmed by atomic force microscopy and X-ray photoelectron spectroscopy measurements. The presented study provides straightforward routes to stabilize n-type SiC photoelectrodes in aqueous electrolytes, which is essential for a possible utilization of this material in the fields of photocatalysis and multimodal biosensing.
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Affiliation(s)
- Matthias Sachsenhauser
- Walter Schottky Institut and Physik-Department, Technische Universität München , Am Coulombwall 4, 85748 Garching, Germany
| | - Karl Walczak
- Joint Center for Artificial Photosynthesis, Lawrence Berkeley National Laboratory , Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory , Berkeley, California 94720, United States
| | - Paul A Hampel
- Walter Schottky Institut and Physik-Department, Technische Universität München , Am Coulombwall 4, 85748 Garching, Germany
| | - Martin Stutzmann
- Walter Schottky Institut and Physik-Department, Technische Universität München , Am Coulombwall 4, 85748 Garching, Germany
| | - Ian D Sharp
- Joint Center for Artificial Photosynthesis, Lawrence Berkeley National Laboratory , Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory , Berkeley, California 94720, United States
| | - Jose A Garrido
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology , Campus UAB, Bellaterra, 08193 Barcelona, Spain
- ICREA, Institució Catalana de Recerca i Estudis Avançats , 08070 Barcelona, Spain
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21
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Dragomir M, Valant M, Fanetti M, Mozharivskyj Y. A facile chemical method for the synthesis of 3C–SiC nanoflakes. RSC Adv 2016. [DOI: 10.1039/c6ra00789a] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A facile chemical method for the synthesis of high specific surface area 3C–SiC nanoflakes in a NaCl powder template is presented.
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Affiliation(s)
- Mirela Dragomir
- Materials Research Laboratory
- University of Nova Gorica
- Nova Gorica
- Slovenia
- Department of Chemistry and Chemical Biology
| | - Matjaz Valant
- Materials Research Laboratory
- University of Nova Gorica
- Nova Gorica
- Slovenia
- University of Electronic Sciences and Technology of China
| | - Mattia Fanetti
- Materials Research Laboratory
- University of Nova Gorica
- Nova Gorica
- Slovenia
| | - Yurij Mozharivskyj
- Department of Chemistry and Chemical Biology
- McMaster University
- Hamilton
- Canada
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22
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Sun K, Shen S, Liang Y, Burrows PE, Mao SS, Wang D. Enabling Silicon for Solar-Fuel Production. Chem Rev 2014; 114:8662-719. [DOI: 10.1021/cr300459q] [Citation(s) in RCA: 284] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
| | - Shaohua Shen
- International
Research Center for Renewable Energy, State Key Lab of Multiphase
Flow in Power Engineering, Xi’an Jiaotong University, Xi’an,
Shaanxi 710049, China
- Department
of Mechanical Engineering, University of California at Berkeley, Berkeley, California 94720, United States
| | - Yongqi Liang
- Department
of Chemistry, Chemical Biological Center, Umeå University, Linnaeus
väg, 6 901 87 Umeå, Sweden
| | - Paul E. Burrows
- Department
of Mechanical Engineering, University of California at Berkeley, Berkeley, California 94720, United States
- Samuel Mao Institute of New Energy, Science Hall, 1003 Shangbu Road, Shenzhen, 518031, China
| | - Samuel S. Mao
- Department
of Mechanical Engineering, University of California at Berkeley, Berkeley, California 94720, United States
- Samuel Mao Institute of New Energy, Science Hall, 1003 Shangbu Road, Shenzhen, 518031, China
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23
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Peter LM, Upul Wijayantha KG. Photoelectrochemical water splitting at semiconductor electrodes: fundamental problems and new perspectives. Chemphyschem 2014; 15:1983-95. [PMID: 24819303 DOI: 10.1002/cphc.201402024] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Indexed: 12/31/2022]
Abstract
Some fundamental aspects of light-driven water splitting at semiconductor electrodes are reviewed along with recent experimental and theoretical progress. The roles of thermodynamics and kinetics in defining criteria for successful water-splitting systems are examined. An overview of recent research is given that places emphasis on new electrode materials, theoretical advances and the development of semi-quantitative experimental methods to study the dynamics of light-driven water-splitting reactions. Key areas are identified that will need particular attention as the search continues for stable, efficient and cost-effective light-driven photoelectrolysis systems that exploit electron/hole separation in semiconductor/electrolyte junctions.
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Affiliation(s)
- Laurence M Peter
- Department of Chemistry, University of Bath, Bath BA2, 7AY (United Kingdom).
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24
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Wang Y, Li S, Han J, Wen W, Wang H, Dimitrijev S, Zhang S. Enhanced photoelectroctatlytic performance of etched 3C–SiC thin film for water splitting under visible light. RSC Adv 2014. [DOI: 10.1039/c4ra10409a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A low temperature alternating supply epitaxy grown p-type 3C–SiC thin film is further etched to enhance the photoelectrocatalytic performance.
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Affiliation(s)
- Yazhou Wang
- Centre for Clean Environmental and Energy
- Environmental Futures Research Institute, Griffith School of Environment
- Griffith University
- Gold Coast, Australia
| | - Sheng Li
- Centre for Clean Environmental and Energy
- Environmental Futures Research Institute, Griffith School of Environment
- Griffith University
- Gold Coast, Australia
| | - Jisheng Han
- Queensland Micro- and Nanotechnology Centre
- Griffith University
- Brisbane, Australia
| | - William Wen
- Centre for Clean Environmental and Energy
- Environmental Futures Research Institute, Griffith School of Environment
- Griffith University
- Gold Coast, Australia
| | - Hao Wang
- The College of Materials Science and Engineering
- Beijing University of Technology
- Beijing, P. R. China
| | - Sima Dimitrijev
- Queensland Micro- and Nanotechnology Centre
- Griffith University
- Brisbane, Australia
| | - Shanqing Zhang
- Centre for Clean Environmental and Energy
- Environmental Futures Research Institute, Griffith School of Environment
- Griffith University
- Gold Coast, Australia
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25
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Jiao ZF, Guo XN, Zhai ZY, Jin GQ, Wang XM, Guo XY. The enhanced catalytic performance of Pd/SiC for the hydrogenation of furan derivatives at ambient temperature under visible light irradiation. Catal Sci Technol 2014. [DOI: 10.1039/c4cy00275j] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pd/SiC exhibits a tremendous promotion of catalytic activity for the hydrogenation of furan derivatives at ambient temperature under visible light irradiation.
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Affiliation(s)
- Zhi-Feng Jiao
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- CAS
- Taiyuan 030001, PR China
- College of Materials Science and Engineering
| | - Xiao-Ning Guo
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- CAS
- Taiyuan 030001, PR China
| | - Zhao-Yang Zhai
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- CAS
- Taiyuan 030001, PR China
| | - Guo-Qiang Jin
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- CAS
- Taiyuan 030001, PR China
| | - Xiao-Min Wang
- College of Materials Science and Engineering
- Taiyuan University of Technology
- Taiyuan 030024, PR China
| | - Xiang-Yun Guo
- State Key Laboratory of Coal Conversion
- Institute of Coal Chemistry
- CAS
- Taiyuan 030001, PR China
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26
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Shen X, Pantelides ST. Atomic-Scale Mechanism of Efficient Hydrogen Evolution at SiC Nanocrystal Electrodes. J Phys Chem Lett 2013; 4:100-104. [PMID: 26291219 DOI: 10.1021/jz301799w] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Efficient electrochemical hydrogen evolution at ultrathin 3C-SiC nanocrystal electrodes in acid solutions was recently reported, but the atomic-scale mechanism of the reaction was not identified. Here we report quantum mechanical calculations of pertinent reactions and show that the reaction happens at pre-existing hydrogenated surface Si-H sites through a mechanism that is related to the Volmer-Heyrovsky mechanism that occurs in metals. Here the Heyrovsky reaction occurs as the first step, where an electron from the substrate reacts with a hydronium adsorbed at a Si-H site, creating an H2 molecule and a Si dangling bond. The Volmer reaction follows and regenerates the Si-H. This ordering of reactions is supported by the fact that the hydrogen coverage on SiC electrodes does not depend on the applied voltage, in contrast to the cases of metal electrodes. Moreover, the Volmer reaction, which is a one-step process on metal surface, is a two-step process here. We then show that the rise of the conduction band due to quantum confinement accounts for the fact that only ultrasmall SiC nanocrystals are electrochemically active. We also show that the ability of a Si-H bond to bind a hydronium is essential for the hydrogen evolution to occur at high rate.
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Affiliation(s)
| | - Sokrates T Pantelides
- §Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
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27
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Kang S, Karthikeyan S, Lee JY. Enhancement of the hydrogen storage capacity of Mg(AlH4)2by excess electrons: a DFT study. Phys Chem Chem Phys 2013; 15:1216-21. [DOI: 10.1039/c2cp43297h] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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28
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He C, Wu X, Shen J, Chu PK. High-efficiency electrochemical hydrogen evolution based on surface autocatalytic effect of ultrathin 3C-SiC nanocrystals. NANO LETTERS 2012; 12:1545-8. [PMID: 22385070 DOI: 10.1021/nl3006947] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Good understanding of the reaction mechanism in the electrochemical reduction of water to hydrogen is crucial to renewable energy technologies. Although previous studies have revealed that the surface properties of materials affect the catalytic reactivity, the effects of a catalytic surface on the hydrogen evolution reaction (HER) on the molecular level are still not well understood. Contrary to general belief, water molecules do not adsorb onto the surfaces of 3C-SiC nanocrystals (NCs), but rather spontaneously dissociate via a surface autocatalytic process forming a complex consisting of -H and -OH fragments. In this study, we show that ultrathin 3C-SiC NCs possess superior electrocatalytic activity in the HER. This arises from the large reduction in the activation barrier on the NC surface enabling efficient dissociation of H(2)O molecules. Furthermore, the ultrathin 3C-SiC NCs show enhanced HER activity in photoelectrochemical cells and are very promising to the water splitting based on the synergistic electrocatalytic and photoelectrochemical actions. This study provides a molecular-level understanding of the HER mechanism and reveals that NCs with surface autocatalytic effects can be used to split water with high efficiency thereby enabling renewable and economical production of hydrogen.
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Affiliation(s)
- Chengyu He
- National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, People's Republic of China
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29
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Krol R. Principles of Photoelectrochemical Cells. ELECTRONIC MATERIALS: SCIENCE & TECHNOLOGY 2012. [DOI: 10.1007/978-1-4614-1380-6_2] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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30
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31
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Affiliation(s)
- Yonggang Wang
- Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Umezono, 1-1-1, Tsukuba, 305-8568 Japan
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