1
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Gerwig M, Böhme U, Friebel M. Challenges in the Synthesis and Processing of Hydrosilanes as Precursors for Silicon Deposition. Chemistry 2024; 30:e202400013. [PMID: 38757614 DOI: 10.1002/chem.202400013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Indexed: 05/18/2024]
Abstract
Hydrosilanes are highly attractive compounds, which can be processed as liquids with printing technology to amorphous silicon films on nearly any solid substrate. The silicon layers can be processed for electronic devices like transistors or thin-film solar cells. The endothermic character of hydrosilanes with their positive enthalpies of formation results in favorable properties for processing. The larger the molecules, the lower their decomposition temperature and the higher their photoactivity. Cyclic hydrosilanes such as cyclopentasilane and cyclohexasilane can be easily deposited. The branched neopentasilane is more difficult to deposit but yields better-quality films after processing. The key challenge is the complex synthesis of the precursors and the hydrosilanes. The available preparative methods are presented in this review and their advantages and disadvantages are evaluated. The following synthesis methods are presented and discussed in this article: Wurtz coupling and other reductive coupling processes, dehydrogenative coupling of silanes, plasma synthesis of chlorinated polysilanes, amine- or chloride-induced disproportionations, and transformation of monosilane to higher silanes. Plasma synthesis is already carried out today as a continuous industrial process. The most effective synthesis methods in the laboratory are currently amine- and chloride-induced disproportionations. There is a great need to further optimize the syntheses of hydrosilanes and to develop new simple synthesis variants.
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Affiliation(s)
- Maik Gerwig
- Institut für Anorganische Chemie, TU Bergakademie Freiberg, Leipziger Str. 29, 09599, Freiberg, Germany
| | - Uwe Böhme
- Institut für Anorganische Chemie, TU Bergakademie Freiberg, Leipziger Str. 29, 09599, Freiberg, Germany
| | - Mike Friebel
- Institut für Anorganische Chemie, TU Bergakademie Freiberg, Leipziger Str. 29, 09599, Freiberg, Germany
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2
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Wang Y, Wang N, Cao X. From Triboelectric Nanogenerator to Hybrid Energy Harvesters: A Review on the Integration Strategy toward High Efficiency and Multifunctionality. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6405. [PMID: 37834542 PMCID: PMC10573783 DOI: 10.3390/ma16196405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/14/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023]
Abstract
The rapid development of smart devices and electronic products puts forward higher requirements for power supply components. As a promising solution, hybrid energy harvesters that are based on a triboelectric nanogenerator (HEHTNG) show advantages of both high energy harvesting efficiency and multifunctionality. Aiming to systematically elaborate the latest research progress of a HEHTNG, this review starts by introducing its working principle with a focus on the combination of triboelectric nanogenerators with various other energy harvesters, such as piezoelectric nanogenerators, thermoelectric/pyroelectric nanogenerators, solar cells, and electromagnetic nanogenerators. While the performance improvement and integration strategies of HEHTNG toward environmental energy harvesting are emphasized, the latest applications of HEHTNGs as multifunctional sensors in human health detection are also illustrated. Finally, we discuss the main challenges and prospects of HEHTNGs, hoping that this work can provide a clear direction for the future development of intelligent energy harvesting systems for the Internet of Things.
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Affiliation(s)
- Yifei Wang
- Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China;
| | - Ning Wang
- Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China;
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
| | - Xia Cao
- Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China;
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
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3
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Sauermoser A, Lainer T, Knoechl A, Goni F, Fischer RC, Fitzek H, Dienstleder M, Prietl C, Kelterer AM, Bandl C, Jakopic G, Kothleitner G, Haas M. Fabrication of Amorphous Silicon-Carbon Hybrid Films Using Single-Source Precursors. Inorg Chem 2023; 62:15490-15501. [PMID: 37700615 PMCID: PMC10523434 DOI: 10.1021/acs.inorgchem.3c01846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Indexed: 09/14/2023]
Abstract
The aim of this study was the preparation of different amorphous silicon-carbon hybrid thin-layer materials according to the liquid phase deposition (LPD) process using single-source precursors. In our study, 2-methyl-2-silyltrisilane (methylisotetrasilane; 2), 1,1,1-trimethyl-2,2-disilyltrisilane (trimethylsilylisotetrasilane; 3), 2-phenyl-2-silyltrisilane (phenylisotetrasilane; 4), and 1,1,2,2,4,4,5,5-octamethyl-3,3,6,6-tetrasilylcyclohexasilane (cyclohexasilane; 5) were utilized as precursor materials and compared with the parent compound 2,2-disilyltrisilane (neopentasilane; 1). Compounds 2-5 were successfully oligomerized at λ = 365 nm with catalytic amounts of the neopentasilane oligomer (NPO). These oligomeric mixtures (NPO and 6-9) were used for the preparation of thin-layer materials. Optimum solution and spin coating conditions were investigated, and amorphous silicon-carbon films were obtained. All thin-layer materials were characterized via UV/vis spectroscopy, light microscopy, spectroscopic ellipsometry, XPS, SEM, and SEM/EDX. Our results show that the carbon content and especially the bandgap can be easily tuned using these single-source precursors via LPD.
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Affiliation(s)
- Aileen Sauermoser
- Institute
of Inorganic Chemistry, Graz University
of Technology; Stremayrgasse 9/V, 8010 Graz, Austria
| | - Thomas Lainer
- Institute
of Inorganic Chemistry, Graz University
of Technology; Stremayrgasse 9/V, 8010 Graz, Austria
| | - Andreas Knoechl
- Institute
of Inorganic Chemistry, Graz University
of Technology; Stremayrgasse 9/V, 8010 Graz, Austria
| | - Freskida Goni
- Institute
of Inorganic Chemistry, Graz University
of Technology; Stremayrgasse 9/V, 8010 Graz, Austria
| | - Roland C. Fischer
- Institute
of Inorganic Chemistry, Graz University
of Technology; Stremayrgasse 9/V, 8010 Graz, Austria
| | - Harald Fitzek
- Graz
Centre for Electron Microscopy (ZFE), Steyrergasse 17, 8010 Graz, Austria
| | - Martina Dienstleder
- Graz
Centre for Electron Microscopy (ZFE), Steyrergasse 17, 8010 Graz, Austria
| | - Christine Prietl
- Institute
for Sensors, Photonics and Manufacturing Technologies, Joanneum Research, Franz-Pichler-Straße 30, 8160 Weiz, Austria
| | - Anne-Marie Kelterer
- Institute
of Physical and Theoretical Chemistry, Graz
University of Technology, Stremayrgasse 9/II, 8010 Graz, Austria
| | - Christine Bandl
- Institute
of Chemistry of Polymeric Materials, Montanuniversität
Leoben, Otto-Glöckelstrasse
2, A 8700 Leoben, Austria
| | - Georg Jakopic
- Institute
for Sensors, Photonics and Manufacturing Technologies, Joanneum Research, Franz-Pichler-Straße 30, 8160 Weiz, Austria
| | - Gerald Kothleitner
- Institute
of Electron Microscopy and Nanoanalysis, Technische Universität Graz, Steyrergasse 17, 8010 Graz, Austria
| | - Michael Haas
- Institute
of Inorganic Chemistry, Graz University
of Technology; Stremayrgasse 9/V, 8010 Graz, Austria
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4
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Ekanayaka TK, Richmond D, McCormick M, Nandyala SR, Helfrich HC, Sinitskii A, Pikal JM, Ilie CC, Dowben PA, Yost AJ. Surface Versus Bulk State Transitions in Inkjet-Printed All-Inorganic Perovskite Quantum Dot Films. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3956. [PMID: 36432242 PMCID: PMC9697151 DOI: 10.3390/nano12223956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/05/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
The anion exchange of the halides, Br and I, is demonstrated through the direct mixing of two pure perovskite quantum dot solutions, CsPbBr3 and CsPbI3, and is shown to be both facile and result in a completely alloyed single phase mixed halide perovskite. Anion exchange is also observed in an interlayer printing method utilizing the pure, unalloyed perovskite solutions and a commercial inkjet printer. The halide exchange was confirmed by optical absorption spectroscopy, photoluminescent spectroscopy, X-ray diffraction, and X-ray photoemission spectroscopy characterization and indicates that alloying is thermodynamically favorable, while the formation of a clustered alloy is not favored. Additionally, a surface-to-bulk photoemission core level transition is observed for the Cs 4d photoemission feature, which indicates that the electronic structure of the surface is different from the bulk. Time resolved photoluminescence spectroscopy indicates the presence of multiple excitonic decay features, which is argued to originate from states residing at surface and bulk environments.
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Affiliation(s)
- Thilini K. Ekanayaka
- Department of Physics and Astronomy, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Dylan Richmond
- Department of Physics, State University of New York-Oswego, Oswego, NY 13126, USA
| | - Mason McCormick
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, USA
| | - Shashank R. Nandyala
- Department of Electrical and Computer Engineering, University of Wyoming, Laramie, WY 82071, USA
| | - Halle C. Helfrich
- Department of Physics, Oklahoma State University, Stillwater, OK 74078, USA
- Department of Physics, Pittsburg State University, Pittsburg, KS 66762, USA
| | - Alexander Sinitskii
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, USA
| | - Jon M. Pikal
- Department of Electrical and Computer Engineering, University of Wyoming, Laramie, WY 82071, USA
| | - Carolina C. Ilie
- Department of Physics, State University of New York-Oswego, Oswego, NY 13126, USA
| | - Peter A. Dowben
- Department of Physics and Astronomy, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Andrew J. Yost
- Department of Physics, Oklahoma State University, Stillwater, OK 74078, USA
- Oklahoma Photovoltaic Research Institute, Oklahoma State University, Stillwater, OK 74078, USA
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5
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Mousavi SM, Hashemi SA, Yari Kalashgrani M, Kurniawan D, Gholami A, Chiang WH. Bioresource-Functionalized Quantum Dots for Energy Generation and Storage: Recent Advances and Feature Perspective. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3905. [PMID: 36364683 PMCID: PMC9658778 DOI: 10.3390/nano12213905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 11/01/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
The exponential increase in global energy demand in daily life prompts us to search for a bioresource for energy production and storage. Therefore, in developing countries with large populations, there is a need for alternative energy resources to compensate for the energy deficit in an environmentally friendly way and to be independent in their energy demands. The objective of this review article is to compile and evaluate the progress in the development of quantum dots (QDs) for energy generation and storage. Therefore, this article discusses the energy scenario by presenting the basic concepts and advances of various solar cells, providing an overview of energy storage systems (supercapacitors and batteries), and highlighting the research progress to date and future opportunities. This exploratory study will examine the systematic and sequential advances in all three generations of solar cells, namely perovskite solar cells, dye-sensitized solar cells, Si cells, and thin-film solar cells. The discussion will focus on the development of novel QDs that are economical, efficient, and stable. In addition, the current status of high-performance devices for each technology will be discussed in detail. Finally, the prospects, opportunities for improvement, and future trends in the development of cost-effective and efficient QDs for solar cells and storage from biological resources will be highlighted.
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Affiliation(s)
- Seyyed Mojtaba Mousavi
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei City 106335, Taiwan
| | - Seyyed Alireza Hashemi
- Nanomaterials and Polymer Nanocomposites Laboratory, School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada
| | | | - Darwin Kurniawan
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei City 106335, Taiwan
| | - Ahmad Gholami
- Biotechnology Research Center, Shiraz University of Medical Science, Shiraz 71468-64685, Iran
| | - Wei-Hung Chiang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei City 106335, Taiwan
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6
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Choi MJ, Hwang YJ, Pyun SB, Kim JH, Kim JY, Hong W, Park JY, Kwak J, Cho EC. Reaction-Based Scalable Inorganic Patterning on Rigid and Soft Substrates for Photovoltaic Roofs with Minimal Optical Loss and Sustainable Sunlight-Driven-Cleaning Windows. ACS APPLIED MATERIALS & INTERFACES 2022; 14:38339-38350. [PMID: 35968862 DOI: 10.1021/acsami.2c09145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Recently developed fabrication methods for inorganic patterns (such as laser printing and optical lithography) can avoid some patterning processes conducted by conventional etching and lithography (such as substrate etching and modulation) and are thereby useful for applications in which the substrates and materials must not be damaged during patterning. Simultaneously, it is also necessary to develop facile and economical methods producing inorganic patterns on various substrates without requiring a special apparatus while attaining the above-mentioned advantages. The present study proposes a reaction-based method for fabricating inorganic patterns by immersing substrates coated with a colloidal nanosheet into an aqueous solution containing inorganic precursors. Silica and TiO2 patterns spontaneously developed during the conversion of each inorganic precursor. These patterns were successful on rigid and flexible substrates. We fabricated these patterns on a wafer-sized silicon and large flexible poly(ethylene terephthalate) film, suggesting the scalability. We fabricated a biomimetic pattern on both sides of a glass window, as a photovoltaic roof, for minimal optical losses to maximally present photovoltaic effects of a solar cell. The TiO2 pattern on glass window exhibits sustainable sunlight-driven-cleaning activity for contaminants. The method could provide a platform for economical high-performance inorganic patterns for energy, environmental, electronics, and other areas.
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Affiliation(s)
- Min Ju Choi
- Department of Chemical Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Young Ji Hwang
- Department of Chemical Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Seung Beom Pyun
- Department of Chemical Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Jeong Han Kim
- Department of Chemical Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Jung Yeon Kim
- Department of Chemical Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Woongpyo Hong
- Materials Research and Engineering Center, Hyundai Motor Company, 37 Cheoldobangmulgwan-ro, Uiwang-si, Gyeonggi-do 16082, Republic of Korea
| | - Jung-Yeon Park
- Materials Research and Engineering Center, Hyundai Motor Company, 37 Cheoldobangmulgwan-ro, Uiwang-si, Gyeonggi-do 16082, Republic of Korea
| | - Jinwoo Kwak
- Materials Research and Engineering Center, Hyundai Motor Company, 37 Cheoldobangmulgwan-ro, Uiwang-si, Gyeonggi-do 16082, Republic of Korea
| | - Eun Chul Cho
- Department of Chemical Engineering, Hanyang University, Seoul 04763, Republic of Korea
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7
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Sahu M, Reddy VRM, Kim B, Patro B, Park C, Kim WK, Sharma P. Fabrication of Cu 2ZnSnS 4 Light Absorber Using a Cost-Effective Mechanochemical Method for Photovoltaic Applications. MATERIALS 2022; 15:ma15051708. [PMID: 35268937 PMCID: PMC8911092 DOI: 10.3390/ma15051708] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/18/2022] [Accepted: 02/22/2022] [Indexed: 12/04/2022]
Abstract
In the present study, we adopt an easy and cost-effective route for preparing Cu2ZnSnS4 (CZTS)-absorber nanoparticles by a mechanochemical method using non-toxic and environmentally benign solvents (butanol, methyl ethyl ketone, and ethanol). The gram-scale synthesis of absorber nanoparticles was achieved in a non-hazardous, zero-waste process without using high-vacuum equipment. The effects of annealing and Na incorporation on the properties of spin-coated CZTS thin films were scrutinized. The deposited samples showed kesterite crystal structure and single phase. The morphological results revealed an improvement in the surface morphology after annealing. The optical bandgaps of the thin films lied in the range of 1.50–1.57 eV with p-type nature. Finally, photovoltaic devices were fabricated, and their cell performance parameters were studied. An efficiency of 0.16% was observed. The present study provides a potential route for the cost-effective fabrication of CZTS-based photovoltaic devices.
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Affiliation(s)
- Meenakshi Sahu
- Department of Energy Science and Engineering, Indian Institute of Technology Bombay Powai, Mumbai 400076, India;
- Korea Institute of Energy Technology (KENTECH), 200 Hyukshin-ro, Naju 58330, Korea
| | | | - Bomyung Kim
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Korea; (V.R.M.R.); (B.K.)
| | - Bharati Patro
- Centre for Research in Nanotechnology and Sciences Indian Institute of Technology Bombay Powai, Mumbai 400076, India;
| | - Chinho Park
- Korea Institute of Energy Technology (KENTECH), 200 Hyukshin-ro, Naju 58330, Korea
- Correspondence: (C.P.); (W.K.K.); (P.S.)
| | - Woo Kyoung Kim
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Korea; (V.R.M.R.); (B.K.)
- Correspondence: (C.P.); (W.K.K.); (P.S.)
| | - Pratibha Sharma
- Department of Energy Science and Engineering, Indian Institute of Technology Bombay Powai, Mumbai 400076, India;
- Correspondence: (C.P.); (W.K.K.); (P.S.)
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8
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Koskela KM, Strumolo MJ, Brutchey RL. Progress of thiol-amine ‘alkahest’ solutions for thin film deposition. TRENDS IN CHEMISTRY 2021. [DOI: 10.1016/j.trechm.2021.09.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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Gonçalves BF, Botelho G, Lanceros-Méndez S, Kolen'ko YV. Eco-friendly and cost-efficient inks for screen-printed fabrication of copper indium gallium diselenide photoabsorber thin films. J Colloid Interface Sci 2021; 598:388-397. [PMID: 33915417 DOI: 10.1016/j.jcis.2021.04.059] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 04/08/2021] [Accepted: 04/12/2021] [Indexed: 11/17/2022]
Abstract
Given the societal concerns about the use of toxic chemicals and costly fabrication of functional materials and devices for photovoltaic applications, it is important to develop alternative sustainable methodologies. Previous studies have shown that cost-effective printing fabrication of Cu(In,Ga)Se2 thin film photovoltaics represents an interesting alternative to energy-demanding vacuum-based deposition methods, commonly used to produce Cu(In,Ga)Se2 photovoltaics. To enrich the field of printed Cu(In,Ga)Se2 photoabsorber thin films and to develop associated eco-friendly solutions, two novel inks, consisting of non-toxic reagents and readily available oxide materials, are reported. Screen printing of the inks over fluorine-doped tin oxide conductive substrates followed by swift selenization of the resultant patterns provides a straightforward route to phase-pure, uniform, and compact Cu(In,Ga)Se2 films with thickness and band gap energies ranging from 2.5 µm to 3.5 µm and from 0.97 eV to 1.08 eV, respectively. The present approach represents an important step forward in the sustainable fabrication of Cu(In,Ga)Se2 photovoltaics, where the physical properties of the photoabsorber can be easily adjusted by tuning the conditions of the screen printing process and the metal ratios in the inks.
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Affiliation(s)
- Bruna F Gonçalves
- International Iberian Nanotechnology Laboratory, Braga 4715-330, Portugal; Center of Physics, University of Minho, Braga 4710-057, Portugal; Center of Chemistry, University of Minho, Braga 4710-057, Portugal
| | - Gabriela Botelho
- Center of Chemistry, University of Minho, Braga 4710-057, Portugal
| | - Senentxu Lanceros-Méndez
- Center of Physics, University of Minho, Braga 4710-057, Portugal; BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain; Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
| | - Yury V Kolen'ko
- International Iberian Nanotechnology Laboratory, Braga 4715-330, Portugal.
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10
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Zhou LL, Wu G, Liu J, Yu XB. Preparation of Ga3+:ZnO quantum dots and the photoelectric properties of sensitized polycrystalline silicon solar cells. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-020-01339-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Fischer SB, Koos E. Using an added liquid to suppress drying defects in hard particle coatings. J Colloid Interface Sci 2021; 582:1231-1242. [PMID: 32950839 DOI: 10.1016/j.jcis.2020.08.055] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/13/2020] [Accepted: 08/14/2020] [Indexed: 10/23/2022]
Abstract
HYPOTHESIS Lateral accumulation and film defects during drying of hard particle coatings is a common problem, typically solved using polymeric additives and surface active ingredients, which require further processing of the dried film. Capillary suspensions with their tunable physical properties, devoid of polymers, offer new pathways in producing uniform and defect free particulate coatings. EXPERIMENTS We investigated the effect of small amounts of secondary liquid on the coating's drying behavior. Stress build-up and weight loss in a temperature and humidity controlled drying chamber were simultaneously measured. Changes in the coating's reflectance and height profile over time were related with the weight loss and stress curve. FINDINGS Capillary suspensions dry uniformly without defects. Lateral drying is inhibited by the high yield stress, causing the coating to shrink to an even height. The bridges between particles prevent air invasion and extend the constant drying period. The liquid in the lower layers is transported to the interface via corner flow within surface pores, leading to a partially dry layer near the substrate while the pores above are still saturated. Using capillary suspensions for hard particle coatings results in more uniform, defect free films with better printing characteristics, rendering high additive content obsolete.
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Affiliation(s)
- Steffen B Fischer
- KU Leuven, Soft Matter, Rheology and Technology, Department of Chemical Engineering, Celestijnenlaan 200f, 3001 Leuven, Belgium; Karlsruhe Institute of Technology, Institute for Mechanical Process Engineering and Mechanics, Karlsruhe, Germany
| | - Erin Koos
- KU Leuven, Soft Matter, Rheology and Technology, Department of Chemical Engineering, Celestijnenlaan 200f, 3001 Leuven, Belgium.
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12
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Khalil MI, Bernasconi R, Lucotti A, Le Donne A, Mereu RA, Binetti S, Hart JL, Taheri ML, Nobili L, Magagnin L. CZTS thin film solar cells on flexible Molybdenum foil by electrodeposition-annealing route. J APPL ELECTROCHEM 2020. [DOI: 10.1007/s10800-020-01494-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Abstract
Earth-abundant and non-toxic Kesterite-based Cu2ZnSnS4 (CZTS) thin film solar cells are successfully fabricated on flexible Molybdenum (Mo) foil substrates by an electrodeposition-annealing route. A well-adherent, densely packed, homogeneous, compact, and mirror-like CZT precursor is initially produced through electrodeposition by using a rotating working electrode. Subsequently, the co-electrodeposited CuZnSn (CZT) precursor is sulfurized in quartz tube furnace at 550 °C for 2 h in N2 atmosphere with the presence of elemental sulfur in order to form CZTS. Different characterization techniques like XRD, SEM, HR-TEM, Raman, and Photoluminescence demonstrate that almost phase-pure CZTS formed after sulfurization. A flexible Al/Al-ZnO/i-ZnO/CdS/CZTS/Mo foil solar cell is produced, where CdS is deposited by chemical bath deposition and transparent conducting oxide (TCO) is deposited by DC sputtering. The CZTS solar device shows a 0.55% power conversion efficiency on flexible Mo foil substrate and it constitutes the first prototype of this kind of solar cell produced by electrodeposition-annealing route without any surface modification of the Mo substrate.
Graphic abstract
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13
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Multifunctional Electrochemical Properties of Synthesized Non-Precious Iron Oxide Nanostructures. CRYSTALS 2020. [DOI: 10.3390/cryst10090751] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Magnetic Fe3O4 nanostructures for electrochemical water splitting and supercapacitor applications were synthesized by low temperature simple wet-chemical route. The crystal structure and morphology of as-acquired nanostructures were examined by powder X-ray diffraction and transmission electron microscopy. Magnetic measurements indicate that the as-synthesized Fe3O4 nanostructures are ferromagnetic at room temperature. The synthesized nanostructures have a high-specific surface area of 268 m2/g, which affects the electrocatalytic activity of the electrode materials. The purity of the as-synthesized nanostructures was affirmed by Raman and X-ray Photoelectron studies. The electrochemical activity of the magnetic iron oxide nanoparticles (MIONPs) for the hydrogen evolution reaction (HER) and supercapacitors were investigated in alkaline medium (0.5 M KOH) versus Ag/AgCl at room temperature. The electrocatalysts show low onset potential (~0.18 V) and Tafel slope (~440 mV/dec) for HER. Additionally, the specific capacitance of MIONPs was investigated, which is to be ~135 ± 5 F/g at 5 mV/s in 1 M KOH.
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14
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Kumaravel S, Karthick K, Thiruvengetam P, Johny JM, Sankar SS, Kundu S. Tuning Cu Overvoltage for a Copper–Telluride System in Electrocatalytic Water Reduction and Feasible Feedstock Conversion: A New Approach. Inorg Chem 2020; 59:11129-11141. [DOI: 10.1021/acs.inorgchem.0c01648] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Sangeetha Kumaravel
- Materials Electrochemistry Division (MED), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghazizbad 201002, India
| | - Kannimuthu Karthick
- Materials Electrochemistry Division (MED), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghazizbad 201002, India
| | | | - Jinta Merlin Johny
- Materials Electrochemistry Division (MED), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Selvasundarasekar Sam Sankar
- Materials Electrochemistry Division (MED), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghazizbad 201002, India
| | - Subrata Kundu
- Materials Electrochemistry Division (MED), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghazizbad 201002, India
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15
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Deshmukh SD, Easterling LF, Manheim JM, LiBretto NJ, Weideman KG, Miller JT, Kenttämaa HI, Agrawal R. Analyzing and Tuning the Chalcogen-Amine-Thiol Complexes for Tailoring of Chalcogenide Syntheses. Inorg Chem 2020; 59:8240-8250. [PMID: 32441926 DOI: 10.1021/acs.inorgchem.0c00597] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The amine-thiol solvent system has been used extensively to synthesize metal chalcogenide thin films and nanoparticles because of its ability to dissolve various metal and chalcogen precursors. While previous studies of this solvent system have focused on understanding the dissolution of metal precursors, here we provide an in-depth investigation of the dissolution of chalcogens, specifically Se and Te. Analytical techniques, including Raman, X-ray absorption, and NMR spectroscopy and high-resolution tandem mass spectrometry, were used to identify pathways for Se and Te dissolution in butylamine-ethanethiol and ethylenediamine-ethanethiol solutions. Se in monoamine-monothiol solutions was found to form ionic polyselenides free of thiol ligands, while in diamine-monothiol solutions, thiol coordination with polyselenides was predominately observed. When the relative concentration of thiol is increased to that of Se, the chain length of polyselenide species was observed to shorten. Analysis of Te dissolution in diamine-thiol solutions also suggested the formation of relatively unstable thiol-coordinated Te ions. This instability of Te ions was found to be reduced by codissolving Te with Se in diamine-thiol solutions. Analysis of the codissolved solutions revealed the presence of atomic interaction between Se and Te through the identification of Se-Te bonds. This new understanding then provided a new route to dissolve otherwise insoluble Te in butylamine-ethanethiol solutions by taking advantage of the Se2- nucleophile. Finally, the knowledge gained for chalcogen dissolutions in this solvent system allowed for controlled alloying of Se and Te in PbSenTe1-n material and also provided a general knob to alter various metal chalcogenide material syntheses.
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Affiliation(s)
- Swapnil D Deshmukh
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
| | - Leah F Easterling
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Jeremy M Manheim
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Nicole J LiBretto
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
| | - Kyle G Weideman
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
| | - Jeffrey T Miller
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
| | - Hilkka I Kenttämaa
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Rakesh Agrawal
- Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
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16
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He C, Huang M, Wang G, Zhang Y, Li X, Fan L, Li Y. Synergistic tuning of oxygen vacancies and d-band centers of ultrathin cobaltous dihydroxycarbonate nanowires for enhanced electrocatalytic oxygen evolution. NANOSCALE 2020; 12:11735-11745. [PMID: 32458912 DOI: 10.1039/d0nr02264k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Simple and controllable synthesis of efficient and robust non-noble metal electrocatalysts towards the oxygen evolution reaction (OER) is highly desired and challenging in the development of sustainable energy conversion technologies. Herein, we report a facile one-step solvothermal synthesis of cobaltous dihydroxycarbonate nanowires (Co-OCH NWs) with a tunable diameter ranging from 8.7 to 16.7 nm, which were able to exhibit an interesting diameter-dependent catalytic activity towards the OER. It should be highlighted that the thinnest nanowires (8.7 nm) demonstrated the best OER catalytic activity among the as-prepared nanowires, showing an overpotential of only 307 mV at 10 mA cm-2 and a Tafel slope of 75 mV dec-1 in 1.0 M KOH solution. Based on comprehensive analysis, the excellent electrocatalytic activity of Co-OCH NWs was ascribed to the simultaneous achievement of an enlarged specific surface area, increased oxygen vacancy concentration and favorable position of the 3d-band center for the Co-OCH NWs with the continuous decrease of their diameters. More importantly, this work has emphasized that synergistic tuning of the oxygen vacancy concentration and d-band center position of nanomaterials via facile size control enables boosting their electrocatalytic performance substantially, thereby opening a simple route to design and prepare Earth-abundant electrocatalysts with higher efficiency and lower cost.
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Affiliation(s)
- Chuansheng He
- College of Chemistry, Beijing Normal University, Beijing 100875, China.
| | - Min Huang
- College of Chemistry, Beijing Normal University, Beijing 100875, China.
| | - Guojing Wang
- College of Chemistry, Beijing Normal University, Beijing 100875, China.
| | - Yang Zhang
- College of Chemistry, Beijing Normal University, Beijing 100875, China.
| | - Xiaohong Li
- College of Chemistry, Beijing Normal University, Beijing 100875, China.
| | - Louzhen Fan
- College of Chemistry, Beijing Normal University, Beijing 100875, China.
| | - Yunchao Li
- College of Chemistry, Beijing Normal University, Beijing 100875, China.
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17
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Guo L, Shi J, Yu Q, Duan B, Xu X, Zhou J, Wu J, Li Y, Li D, Wu H, Luo Y, Meng Q. Coordination engineering of Cu-Zn-Sn-S aqueous precursor for efficient kesterite solar cells. Sci Bull (Beijing) 2020; 65:738-746. [PMID: 36659107 DOI: 10.1016/j.scib.2020.01.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 12/29/2019] [Accepted: 12/31/2019] [Indexed: 01/21/2023]
Abstract
Aqueous precursors provide an alluring approach for low-cost and environmentally friendly production of earth-abundant Cu2ZnSn(S, Se)4 (CZTSSe) solar cells. The key is to find an appropriate molecular agent to prepare a stable solution and optimize the coordination structure to facilitate the subsequent crystallization process. Herein, we introduce thioglycolic acid (TGA), which possesses strong coordination (SH) and hydrophilic (COOH) groups, as the agent and use deprotonation to regulate the coordination competition within the aqueous solution. Ultimately, metal cations are adequately coordinated with thiolate anions, and carboxylate anions are released to become hydrated to form an ultrastable aqueous solution. These factors have contributed to achieving CZTSSe solar cells with an efficiency as high as 12.3% (a certified efficiency of 12.0%) and providing an extremely wide time window for precursor storage and usage. This work represents significant progress in the non-toxic solution fabrication of CZTSSe solar cells and holds great potential for the development of CZTSSe and other metal sulfide solar cells.
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Affiliation(s)
- Linbao Guo
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiangjian Shi
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Qing Yu
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Biwen Duan
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiao Xu
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiazheng Zhou
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jionghua Wu
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yusheng Li
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dongmei Li
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China; Songshan Lake Materials Laboratory, Dongguan 523808, China
| | - Huijue Wu
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Yanhong Luo
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China; Songshan Lake Materials Laboratory, Dongguan 523808, China.
| | - Qingbo Meng
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China; Songshan Lake Materials Laboratory, Dongguan 523808, China.
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18
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Zulqarnain M, Shah A, Khan MA, Jan Iftikhar F, Nisar J. FeCoSe 2 Nanoparticles Embedded in g-C 3N 4: A Highly Active and Stable bifunctional electrocatalyst for overall water splitting. Sci Rep 2020; 10:6328. [PMID: 32286435 PMCID: PMC7156446 DOI: 10.1038/s41598-020-63319-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Accepted: 03/11/2020] [Indexed: 11/20/2022] Open
Abstract
To investigate cost affordable and robust HER and OER catalysts with significant low overpotentials, we have successfully embedded FeCoSe2 spheres on smooth surfaces of graphitic carbon nitride that demonstrated high stability and electrocatalytic activity for H2 production. We systematically analyzed the composition and morphology of FexCo1-xSe2/g-C3N4 and attributed the remarkable electrochemical performance of the catalyst to its unique structure. Fe0.2Co0.8Se2/g-C3N4 showed a superior HER activity, with quite low overpotential value (83 mV at -20 mA cm-2 in 0.5 M H2SO4) and a current density of -3.24, -7.84, -14.80, -30.12 mA cm-2 at 0 V (vs RHE) in Dulbecco's Phosphate-Buffered Saline (DPBS), artificial sea water (ASW), 0.5 M H2SO4 and 1 M KOH, respectively. To the best of our knowledge, these are the highest reported current densities at this low potential value, showing intrinsic catalytic activity of the synthesized material. Also, the catalyst was found to deliver a high and stable current density of -1000 mA cm-2 at an overpotential of just 317 mV. Moreover, the synthesized catalyst delivered a constant current density of -30 mA cm-2 for 24 h without any noticeable change in potential at -0.2 V. These attributes confer our synthesized catalyst to be used for renewable fuel production and applications.
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Affiliation(s)
| | - Afzal Shah
- Department of Chemistry Quaid-i-Azam University, 45320, Islamabad, Pakistan.
- Department of Chemistry, College of Science, University of Bahrain, Sakhir, 32038, Kingdom of Bahrain.
| | - Muhammad Abdullah Khan
- Renewable Energy Advancement laboratory, Department of Environmental Sciences, Quaid-i-Azam University, 45320, Islamabad, Pakistan
| | - Faiza Jan Iftikhar
- NUTECH School of Applied Sciences and Humanities, National University of Technology, Islamabad, 44000, Pakistan
| | - Jan Nisar
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, 25120, Pakistan
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19
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Gamon J, Haller S, Giaume D, Robert C, Thomas CM, D'Alençon L, Buissette V, Le Mercier T, Barboux P. Aqueous-Based Low-Temperature Synthesis and Thin-Film Properties of Oxysulfide BiCuOS Nanoparticles. Chempluschem 2020; 85:634-640. [PMID: 32237226 DOI: 10.1002/cplu.201900733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 03/05/2020] [Indexed: 11/10/2022]
Abstract
BiCuOS is a nontoxic p-type semiconductor that is a promising candidate for photoelectric applications. The formation of thin films with a good electronic transport at the grain boundaries, while avoiding thermal treatment detrimental to its chemical stability is a challenge. We have developed a chemical method for the direct synthesis of stable colloidal suspensions of BiCuOS nanoparticles from soluble precursors. These colloidal solutions were stabilized with a catechol functionalized poly-3-hexylthiophene that allows easy spin-coating deposition and favors electronic transport along the grain boundaries. Stacking of ZnO-BiCuOS layers were achieved, allowing preparation of n-p junctions. These act as rectifying diodes and are strongly photosensitive, with Iph /Idark =85 corresponding to an enhancement of the photocurrent of more than two orders of magnitude compared to that of BiCuOS alone. This energy-efficient and low-cost method is a further step in the development of new sulfide semiconductor devices.
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Affiliation(s)
- J Gamon
- Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005, Paris, France.,Solvay, Research and Innovation Center Paris, 52 rue de La Haie Coq, 93308, Aubervilliers Cedex, France
| | - S Haller
- Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005, Paris, France.,Solvay, Research and Innovation Center Paris, 52 rue de La Haie Coq, 93308, Aubervilliers Cedex, France
| | - D Giaume
- Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005, Paris, France
| | - C Robert
- Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005, Paris, France
| | - C M Thomas
- Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005, Paris, France
| | - L D'Alençon
- Solvay, Research and Innovation Center Paris, 52 rue de La Haie Coq, 93308, Aubervilliers Cedex, France
| | - V Buissette
- Solvay, Research and Innovation Center Paris, 52 rue de La Haie Coq, 93308, Aubervilliers Cedex, France
| | - T Le Mercier
- Solvay, Research and Innovation Center Paris, 52 rue de La Haie Coq, 93308, Aubervilliers Cedex, France
| | - P Barboux
- Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005, Paris, France
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20
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Recent Advances in Non-Precious Transition Metal/Nitrogen-doped Carbon for Oxygen Reduction Electrocatalysts in PEMFCs. Catalysts 2020. [DOI: 10.3390/catal10010141] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The proton exchange membrane fuel cells (PEMFCs) have been considered as promising future energy conversion devices, and have attracted immense scientific attention due to their high efficiency and environmental friendliness. Nevertheless, the practical application of PEMFCs has been seriously restricted by high cost, low earth abundance and the poor poisoning tolerance of the precious Pt-based oxygen reduction reaction (ORR) catalysts. Noble-metal-free transition metal/nitrogen-doped carbon (M–NxC) catalysts have been proven as one of the most promising substitutes for precious metal catalysts, due to their low costs and high catalytic performance. In this review, we summarize the development of M–NxC catalysts, including the previous non-pyrolyzed and pyrolyzed transition metal macrocyclic compounds, and recent developed M–NxC catalysts, among which the Fe–NxC and Co–NxC catalysts have gained our special attention. The possible catalytic active sites of M–NxC catalysts towards the ORR are also analyzed here. This review aims to provide some guidelines towards the design and structural regulation of non-precious M–NxC catalysts via identifying real active sites, and thus, enhancing their ORR electrocatalytic performance.
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21
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Muthukumar P, Pannipara M, Al-Sehemi AG, Anthony SP. Highly enhanced bifunctional electrocatalytic activity of mixed copper–copper oxides on nickel foam via composition control. NEW J CHEM 2020. [DOI: 10.1039/d0nj02311f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fabricating Cu2O–CuO and CuO directly on the conducting nickel foam resulted in highly enhanced OER and HER electrocatalytic activity in an alkaline medium, respectively.
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Affiliation(s)
- Pandi Muthukumar
- Department of Chemistry
- School of Chemical & Biotechnology, SASTRA Deemed University
- Thanjavur-613401
- India
| | - Mehboobali Pannipara
- Department of Chemistry
- King Khalid University
- Abha 61413
- Saudi Arabia
- Research center for Advanced Materials Science
| | - Abdullah G. Al-Sehemi
- Department of Chemistry
- King Khalid University
- Abha 61413
- Saudi Arabia
- Research center for Advanced Materials Science
| | - Savarimuthu Philip Anthony
- Department of Chemistry
- School of Chemical & Biotechnology, SASTRA Deemed University
- Thanjavur-613401
- India
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22
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Zhang X, Shan A, Duan S, Zhao H, Wang R, Lau WM. Au@Co 2P core/shell nanoparticles as a nano-electrocatalyst for enhancing the oxygen evolution reaction. RSC Adv 2019; 9:40811-40818. [PMID: 35540052 PMCID: PMC9076247 DOI: 10.1039/c9ra07535f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 11/25/2019] [Indexed: 11/21/2022] Open
Abstract
Core/shell nanoparticles (NPs) of Au@Co2P, each comprising a Au core with a Co2P shell, were prepared, and shown to efficiently catalyze the oxygen evolution reaction (OER). In particular, Au@Co2P has a small overpotential of 321 mV at 10 mA cm-2 in 1 M KOH aqueous solution at room temperature, which is about 95 mV less than pure Co2P. More importantly, the Tafel slope of Au@Co2P, at 57 mV dec-1, is 44 mV dec-1 lower than that of Co2P. Hence, Au@Co2P outperforms Co2P drastically in practical production when a high current density is required.
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Affiliation(s)
- Xiaofang Zhang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 China
| | - Aixian Shan
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 China
| | - Sibin Duan
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 China
| | - Haofei Zhao
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 China
| | - Rongming Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 China
| | - Woon-Ming Lau
- Beijing Advanced Innovation Center for Materials Genome Engineering, Center for Green Innovation, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing Beijing 100083 China
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23
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Cheng Y, Pei Y, Zhuang P, Chu H, Cao Y, Smith W, Dong P, Shen J, Ye M, Ajayan PM. Precursor-Transformation Strategy Preparation of CuP x Nanodots-Decorated CoP 3 Nanowires Hybrid Catalysts for Boosting pH-Universal Electrocatalytic Hydrogen Evolution. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1904681. [PMID: 31657107 DOI: 10.1002/smll.201904681] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 09/27/2019] [Indexed: 06/10/2023]
Abstract
The development of earth-abundant, low cost, and versatile electrocatalysts for producing hydrogen from water electrolysis is still challenging. Herein, based on high hydrogen evolution reaction (HER) activity of transition metal phosphides, a CoP3 nanowire decorated with copper phosphides (denoted as CuPx ) nanodots structures synthesized through a simple and easily scalable precursor-transformation strategy is reported as a highly efficient HER catalyst. By decorating with CuPx nanodots, the optimized CoP3 nanowires electrode exhibits excellent catalytic activity and long-term durability for HER in alkaline conditions, achieving a low overpotential of 49.5 mV at a geometrical catalytic current density of 10 mA cm-2 with a small Tafel slope of 58.0 mV dec-1 , while also performing quite well in neutral and acidic media. Moreover, its overall performance exceeds most of the reported state-of-the-art catalysts, especially under high current density of 100 mA cm-2 , demonstrating its potential as a promising versatile pH universal electrocatalyst for efficient water electrolysis. These results indicate that the incorporation of earth-abundant stable element copper can significantly enhance catalytic activity, which widens the application range of copper and provides a new path for design and selection of HER catalysts.
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Affiliation(s)
- Yu Cheng
- Institute of Special Materials and Technology, Fudan University, Shanghai, 200433, China
| | - Yu Pei
- Institute of Special Materials and Technology, Fudan University, Shanghai, 200433, China
| | - Peiyuan Zhuang
- Institute of Special Materials and Technology, Fudan University, Shanghai, 200433, China
| | - Hang Chu
- Institute of Special Materials and Technology, Fudan University, Shanghai, 200433, China
| | - Yudong Cao
- Institute of Special Materials and Technology, Fudan University, Shanghai, 200433, China
| | - Will Smith
- Department of Mechanical Engineering, George Mason University, Fairfax, VA, 22030, USA
| | - Pei Dong
- Department of Mechanical Engineering, George Mason University, Fairfax, VA, 22030, USA
- Department of Materials Science and NanoEngineering, Rice University, Houston, TX, 77005, USA
| | - Jianfeng Shen
- Institute of Special Materials and Technology, Fudan University, Shanghai, 200433, China
| | - Mingxin Ye
- Institute of Special Materials and Technology, Fudan University, Shanghai, 200433, China
| | - Pulickel M Ajayan
- Department of Materials Science and NanoEngineering, Rice University, Houston, TX, 77005, USA
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24
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Ataollahi N, Bazerla F, Malerba C, Chiappini A, Ferrari M, Di Maggio R, Scardi P. Synthesis and Post-Annealing of Cu 2ZnSnS 4 Absorber Layers Based on Oleylamine/1-dodecanethiol. MATERIALS 2019; 12:ma12203320. [PMID: 31614724 PMCID: PMC6829339 DOI: 10.3390/ma12203320] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/08/2019] [Accepted: 10/10/2019] [Indexed: 11/16/2022]
Abstract
Cu2ZnSnS4 (CZTS) nanocrystals in oleylamine (OLA) and 1-dodecanethiol (1-DDT) solvents were successfully prepared via hot-injection method, to produce inks for the deposition of absorber layers in photovoltaic cells. In this process, 1-DDT acts as a coordinating ligand to control the nucleation and growth of CZTS nanocrystals, whereas lower amounts of OLA promote a homogeneous growth of the grains in the absorber layer. X-Ray Diffraction (XRD) revealed both tetragonal and hexagonal phases of CTZS in films obtained after soft thermal treatments (labeled TT0). In particular, 1-DDT is responsible for the formation of a greater percentage of the hexagonal phase (ZnS-wurtzite type) than that formed when only OLA is used. The thermal treatments have been varied from 500 °C to 600 °C for improving crystallization and eliminating secondary phases. Both features are known to promote CZTS thin films with band gap values typical of CZTS (1.5–1.6 eV) and suitable resistivity. This study let to compare also the CZTS post-annealing without (TT1) and with sulfur vapor (TT2) in a tubular furnace. Only tetragonal CZTS phase is observed in the XRD pattern of CZTS thin films after TT2. A small presence of localized residues of secondary phases on the same samples was revealed by μRaman measurements. The best values of band gap (1.50 eV) and resistivity (1.05 ohm.cm) were obtained after thermal treatment at 500 °C, which is suitable for absorber layer in photovoltaic application.
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Affiliation(s)
- Narges Ataollahi
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, via Mesiano 77, 30123 Trento, Italy; (F.B.); (P.S.)
- Correspondence: ; Tel.: +39-0461282600
| | - Francesca Bazerla
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, via Mesiano 77, 30123 Trento, Italy; (F.B.); (P.S.)
| | - Claudia Malerba
- Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Casaccia, via Anguillarese 301, 00123 Rome, Italy;
| | - Andrea Chiappini
- Institute of Photonics and Nanotechnologies IFN -National Research Council CNR CSMFO Lab. & Fondazione Bruno Kessler FBK—Centro Materiali e Microsistemi CMM, via alla Cascata 56/C, 38123 Trento, Italy; (A.C.); (M.F.)
| | - Maurizio Ferrari
- Institute of Photonics and Nanotechnologies IFN -National Research Council CNR CSMFO Lab. & Fondazione Bruno Kessler FBK—Centro Materiali e Microsistemi CMM, via alla Cascata 56/C, 38123 Trento, Italy; (A.C.); (M.F.)
- Museo Storico della Fisica e Centro Studi e Ricerche “Enrico Fermi”, Piazza del Viminale 1, 00184 Roma, Italy
| | - Rosa Di Maggio
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, via Mesiano 77, 30123 Trento, Italy; (F.B.); (P.S.)
| | - Paolo Scardi
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, via Mesiano 77, 30123 Trento, Italy; (F.B.); (P.S.)
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25
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Schneller T, Griesche D. Inkjet Printed Y-Substituted Barium Zirconate Layers as Electrolyte Membrane for Thin Film Electrochemical Devices. MEMBRANES 2019; 9:E131. [PMID: 31614593 PMCID: PMC6835695 DOI: 10.3390/membranes9100131] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 09/30/2019] [Accepted: 10/06/2019] [Indexed: 11/16/2022]
Abstract
In this work, the inkjet printing of proton conducting Y-substituted barium zirconate (BZY) thin films was studied. Two different kinds of precursor inks, namely a rather molecular BZY precursor solution and a BZY nanoparticle dispersion, have been synthesized and initially investigated with regard to their decomposition and phase formation behavior by thermal analysis, X-ray diffraction, and scanning electron microscopy. Their wetting behavior and rheological properties have been determined in order to evaluate their fundamental suitability for the inkjet process. Crystalline films have been already obtained at 700 °C, which is significantly lower compared to conventional solid-state synthesis. Increasing the temperature up to 1000 °C results in higher crystal quality. Permittivity measurements gave values of around 36 that are in good agreement with the literature while also proving the integrity of the materials. A modification of the as-synthesized BZY stock solution and nanoparticle dispersion by dilution with propionic acid improved the jetability of both inks and yielded homogeneous BZY coatings from both inks. In order to study the electrochemical properties of BZY films derived from the two printed inks, BZY coatings on sapphire substrates were prepared and characterized by electrochemical impedance spectroscopy.
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Affiliation(s)
- Theodor Schneller
- Institut für Werkstoffe der Elektrotechnik 2 & JARA-FIT, RWTH Aachen University, 52074 Aachen, Germany.
| | - David Griesche
- Institut für Werkstoffe der Elektrotechnik 2 & JARA-FIT, RWTH Aachen University, 52074 Aachen, Germany.
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26
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Lee K, Huang Y, Corrigan JF. Facile synthesis of a hexanuclear zinc-acetato-trimethylsilylphosphinidene cluster: a single-source precursor to Zn 3P 2 nanoparticles. Chem Commun (Camb) 2019; 55:11466-11469. [PMID: 31490487 DOI: 10.1039/c9cc04879k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The selective synthesis of the zinc-acetato-phosphinidene cluster [Zn6(μ3-PSiMe3)4(OAc)4(NC5H5)5] 1 is presented. The cluster serves as a stable, single-source precursor to yield soluble zinc phosphide nanoparticles via P-Si bond activation and AcOSiMe3 elimination when heated in oleylamine or other donor solvents.
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Affiliation(s)
- Kyungseop Lee
- The University of Western Ontario, Department of Chemistry, 1151 Richmond Street, London, ON N6A 5B7, Canada
| | - Yining Huang
- The University of Western Ontario, Department of Chemistry, 1151 Richmond Street, London, ON N6A 5B7, Canada and The Centre for Advanced Materials and Biomaterials Research, The University of Western Ontario, London, Ontario N6A 5B7, Canada.
| | - John F Corrigan
- The University of Western Ontario, Department of Chemistry, 1151 Richmond Street, London, ON N6A 5B7, Canada and The Centre for Advanced Materials and Biomaterials Research, The University of Western Ontario, London, Ontario N6A 5B7, Canada.
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27
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Syafiq U, Ataollahi N, Maggio RD, Scardi P. Solution-Based Synthesis and Characterization of Cu 2ZnSnS 4 (CZTS) Thin Films. Molecules 2019; 24:E3454. [PMID: 31547625 PMCID: PMC6803857 DOI: 10.3390/molecules24193454] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 09/16/2019] [Accepted: 09/20/2019] [Indexed: 11/16/2022] Open
Abstract
Cu2ZnSnS4 (CZTS) ink was synthesized from metal chloride precursors, sulfur, and oleylamine (OLA), as a ligand by a simple and low-cost hot-injection method. Thin films of CZTS were then prepared by spin coating, followed by thermal annealing. The effects of the fabrication parameters, such as ink concentration, spinning rate, and thermal treatment temperatures on the morphology and structural, optical, and electrical properties of the films were investigated. As expected, very thin films, for which the level of transmittance and band-gap values increase, can be obtained either by reducing the concentration of the inks or by increasing the rate of spinning. Moreover, the thermal treatment affects the phase formation and crystallinity of the film, as well as the electrical conductivity, which decreases at a higher temperature.
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Affiliation(s)
- Ubaidah Syafiq
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano, 77, 38123 Trento, Italy.
- Solar Energy Research Institute, National University of Malaysia (SERI-UKM), Bangi 43600, Selangor, Malaysia.
| | - Narges Ataollahi
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano, 77, 38123 Trento, Italy.
| | - Rosa Di Maggio
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano, 77, 38123 Trento, Italy.
| | - Paolo Scardi
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano, 77, 38123 Trento, Italy.
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28
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Christopoulos V, Rotzinger M, Gerwig M, Seidel J, Kroke E, Holthausen M, Wunnicke O, Torvisco A, Fischer R, Haas M, Stueger H. Synthesis and Properties of Branched Hydrogenated Nonasilanes and Decasilanes. Inorg Chem 2019; 58:8820-8828. [PMID: 31198024 DOI: 10.1021/acs.inorgchem.9b01204] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Branched higher silicon hydrides Si nH2 n+2 with n > 6 were recently found to be excellent precursors for the liquid phase deposition of silicon films. Herein we report the gram-scale synthesis of the novel nona- and decasilanes (H3Si)3Si(SiH2) nSi(SiH3)3 (2: n = 1, 5: n = 2) from (H3Si)3SiLi and Cl(SiPh2) nCl by a combined salt elimination/dephenylation/hydrogenation approach. Structure elucidation of the target molecules was performed by NMR spectroscopy and X-ray crystallography. 2 and 5 are nonpyrophoric and exhibit a bathochromically shifted UV absorption compared to neopentasilane and the structurally related octasilane (H3Si)3SiSi(SiH3)3. TG-MS analysis elucidated increased decomposition temperatures and decreased ceramic yields for branched hydrosilanes relative to cyclopentasilane. Otherwise, very similar thermal properties were observed for hydrosilane oligomers with linear and branched structures.
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Affiliation(s)
- Viktor Christopoulos
- Institute of Inorganic Chemistry , Graz University of Technology , Stremayrgasse 9 , 8010 Graz , Austria
| | - Markus Rotzinger
- Institute of Inorganic Chemistry , Graz University of Technology , Stremayrgasse 9 , 8010 Graz , Austria
| | | | | | | | | | - Odo Wunnicke
- Evonik Creavis GmbH , Paul-Baumann-Strasse 1 , 45772 Marl , Germany
| | - Ana Torvisco
- Institute of Inorganic Chemistry , Graz University of Technology , Stremayrgasse 9 , 8010 Graz , Austria
| | - Roland Fischer
- Institute of Inorganic Chemistry , Graz University of Technology , Stremayrgasse 9 , 8010 Graz , Austria
| | - Michael Haas
- Institute of Inorganic Chemistry , Graz University of Technology , Stremayrgasse 9 , 8010 Graz , Austria
| | - Harald Stueger
- Institute of Inorganic Chemistry , Graz University of Technology , Stremayrgasse 9 , 8010 Graz , Austria
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29
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Wang M, Tang K. Enhanced electrochemical properties of cellular CoPS@C nanocomposites for HER, OER and Li-ion batteries. RSC Adv 2019; 9:14859-14867. [PMID: 35516335 PMCID: PMC9064212 DOI: 10.1039/c9ra00869a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 04/30/2019] [Indexed: 12/26/2022] Open
Abstract
Cellular CoPS@C nanocomposites were successfully synthesized via a facile two-steps route. The performances of the CoPS@C electrode as a non-noble metal electrocatalyst for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) show good activity. On the other hand, the electrochemical investigation of CoPS systems for lithium ion batteries (LIBs) is reported for the first time. The CoPS@C nanocomposite as a novel anode can maintain a capacity of about 713 mA h g-1 after 50 cycles at a current density of 0.2 A g-1, indicating its potential applications in lithium storage. Test results also demonstrate that the CoPS@C nanocomposite exhibit more excellent HER, OER and Li storage performances compared to the bulk CoPS sample.
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Affiliation(s)
- Miao Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China Hefei 230026 China
| | - Kaibin Tang
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China Hefei 230026 China
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30
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Chu Y, Qian C, Chahal P, Cao C. Printed Diodes: Materials Processing, Fabrication, and Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1801653. [PMID: 30937260 PMCID: PMC6425440 DOI: 10.1002/advs.201801653] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 11/02/2018] [Indexed: 05/24/2023]
Abstract
Printing techniques for the fabrication of diodes have received increasing attention over the last decade due to their great potential as alternatives for high-throughput and cost-effective manufacturing approaches compatible with both flexible and rigid substrates. Here, the progress achieved and the challenges faced in the fabrication of printed diodes are discussed and highlighted, with a focus on the materials of significance (silicon, metal oxides, nanomaterials, and organics), the techniques utilized for ink deposition (gravure printing, screen printing, inkjet printing, aerosol jet printing, etc.), and the process through which the printed layers of diode are sintered after printing. Special attention is also given to the device applications within which the printed diodes have been successfully incorporated, particularly in the fields of rectification, light emission, energy harvesting, and displays. Considering the unmatched production scalability of printed diodes and their intrinsic suitability for flexible and wearable applications, significant improvement in performance and intensive research in development and applications of the printed diodes will continuously progress in the future.
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Affiliation(s)
- Yihang Chu
- Laboratory for Soft Machines & ElectronicsSchool of PackagingMichigan State UniversityEast LansingMI48824USA
- Department of Electrical and Computer EngineeringMichigan State UniversityEast LansingMI48824USA
| | - Chunqi Qian
- Department of Electrical and Computer EngineeringMichigan State UniversityEast LansingMI48824USA
- Department of RadiologyMichigan State UniversityEast LansingMI48824USA
| | - Premjeet Chahal
- Department of Electrical and Computer EngineeringMichigan State UniversityEast LansingMI48824USA
| | - Changyong Cao
- Laboratory for Soft Machines & ElectronicsSchool of PackagingMichigan State UniversityEast LansingMI48824USA
- Department of Electrical and Computer EngineeringMichigan State UniversityEast LansingMI48824USA
- Department of Mechanical EngineeringMichigan State UniversityEast LansingMI48824USA
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31
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Zhang Y, Zhu P, Li G, Cui Z, Cui C, Zhang K, Gao J, Chen X, Zhang G, Sun R, Wong C. PVP-Mediated Galvanic Replacement Synthesis of Smart Elliptic Cu-Ag Nanoflakes for Electrically Conductive Pastes. ACS APPLIED MATERIALS & INTERFACES 2019; 11:8382-8390. [PMID: 30726050 DOI: 10.1021/acsami.8b16135] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Elliptic Cu-Ag nanoflakes were syntheszied via facile in situ galvanic replacement between prepared Cu particles and Ag ions. Alloy nanoflakes with high purity and uniformity present a size of 700 × 500 nm, with a thinness of 30 nm. Nontoxic and low-cost polyvinyl pyrrolidone was used as a dispersant and structure-directing agent, promoting the formation of the remarkable structure. Synthesized nanoflakes were utilized as a filler for conductive paste in an epoxy resin matrix. Conductive patterns on flexible substrates with a resistivity of 3.75 × 10-5 Ω·cm could be achieved after curing at 150 °C for 2 h. Compared with traditional silver microflakes, smart alloy nanoflakes provide much improved conductive interconnection, whose advantage could be attributed to their nanoscale thicknesses. It is also noteworthy that the conductive patterns are able to tolerate multiple bendings at different angles, having good conductivity even after 200 repeated bendings. Therefore, alloy nanoflakes could be a promising candidate conductive filler for flexible printing electronics, electronic packaging, and other conductive applications.
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Affiliation(s)
- Yu Zhang
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, and Key Laboratory of Precision Microelectronic Manufacturing Technology & Equipment of Ministry of Education , Guangdong University of Technology , Guangzhou 510006 , China
| | - Pengli Zhu
- Shenzhen Institutes of Advanced Technology , Chinese Academy of Sciences, Shenzhen 518055 , China
| | - Gang Li
- Shenzhen Institutes of Advanced Technology , Chinese Academy of Sciences, Shenzhen 518055 , China
| | - Zhen Cui
- Department of Microelectronics , Delft University of Technology , Delft 2628 CD , Netherlands
| | - Chengqiang Cui
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, and Key Laboratory of Precision Microelectronic Manufacturing Technology & Equipment of Ministry of Education , Guangdong University of Technology , Guangzhou 510006 , China
| | - Kai Zhang
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, and Key Laboratory of Precision Microelectronic Manufacturing Technology & Equipment of Ministry of Education , Guangdong University of Technology , Guangzhou 510006 , China
| | - Jian Gao
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, and Key Laboratory of Precision Microelectronic Manufacturing Technology & Equipment of Ministry of Education , Guangdong University of Technology , Guangzhou 510006 , China
| | - Xin Chen
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, and Key Laboratory of Precision Microelectronic Manufacturing Technology & Equipment of Ministry of Education , Guangdong University of Technology , Guangzhou 510006 , China
| | - Guoqi Zhang
- Department of Microelectronics , Delft University of Technology , Delft 2628 CD , Netherlands
| | - Rong Sun
- Shenzhen Institutes of Advanced Technology , Chinese Academy of Sciences, Shenzhen 518055 , China
| | - Chingping Wong
- Shenzhen Institutes of Advanced Technology , Chinese Academy of Sciences, Shenzhen 518055 , China
- School of Materials Science and Engineering , Georgia Institute of Technology , Atlanta , Georgia 30332 , United States
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32
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Jia G, Wang C, Yang P, Liu J, Zhang W, Li R, Zhang S, Du J. Sulfur-free synthesis of size tunable rickardite (Cu 3-x Te 2) spheroids and planar squares. ROYAL SOCIETY OPEN SCIENCE 2019; 6:181602. [PMID: 30891279 PMCID: PMC6408406 DOI: 10.1098/rsos.181602] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 01/14/2019] [Indexed: 06/09/2023]
Abstract
We report a novel synthesis of monodisperse samples of copper telluride with crystallinity and stoichiometry corresponding to forms of rickardite, Cu3-x Te2 (x < 1). This synthesis makes use of a ligand balanced reaction to allow control over shape and size by varying the relative and absolute concentration of oleylamine to stearic acid. The rickardite samples presented here display size dependent plasmon peaks in the near infrared and direct energy band gaps between 1.7 and 2.3 eV. As such they may find utility in photovoltaic, thermoelectric or as novel optical materials for study of surface plasmons.
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Affiliation(s)
- Guanwei Jia
- Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou 450001, People's Republic of China
- School of Physics and Electronics, Henan University, Kaifeng 475004, People's Republic of China
| | - Chengduo Wang
- Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Peixu Yang
- Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Jinhui Liu
- Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Weidong Zhang
- Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Rongbin Li
- School of metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
| | - Shaojun Zhang
- Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Jiang Du
- Henan Province Industrial Technology Research Institute of Resources and Materials, Zhengzhou University, Zhengzhou 450001, People's Republic of China
- Department of Chemical Engineering, Texas Materials Institute, Center for Nano- and Molecular Science and Technology, The University of Texas at Austin, Austin, TX 78712, USA
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33
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St. Onge PBJ, Ocheje MU, Selivanova M, Rondeau‐Gagné S. Recent Advances in Mechanically Robust and Stretchable Bulk Heterojunction Polymer Solar Cells. CHEM REC 2018; 19:1008-1027. [DOI: 10.1002/tcr.201800163] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 11/13/2018] [Indexed: 01/24/2023]
Affiliation(s)
- P. Blake J. St. Onge
- Department of Chemistry and BiochemistryUniversity of Windsor 401 Sunset Ave. Windsor Ontario Canada N9B 3P4
| | - Michael U. Ocheje
- Department of Chemistry and BiochemistryUniversity of Windsor 401 Sunset Ave. Windsor Ontario Canada N9B 3P4
| | - Mariia Selivanova
- Department of Chemistry and BiochemistryUniversity of Windsor 401 Sunset Ave. Windsor Ontario Canada N9B 3P4
| | - Simon Rondeau‐Gagné
- Department of Chemistry and BiochemistryUniversity of Windsor 401 Sunset Ave. Windsor Ontario Canada N9B 3P4
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34
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Zhang X, Liu S, Wu F, Peng X, Yang B, Xiang Y. Phase-Selective Synthesis of CIGS Nanoparticles with Metastable Phases Through Tuning Solvent Composition. NANOSCALE RESEARCH LETTERS 2018; 13:362. [PMID: 30430270 PMCID: PMC6235770 DOI: 10.1186/s11671-018-2781-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 10/31/2018] [Indexed: 05/15/2023]
Abstract
I-III-VI2 compounds have shown great interests in the application of functional semiconductors. Among them, Cu(In,Ga)S2 has been a promising candidate due to its excellent optoelectronic properties. Although the polymorphs of Cu(In,Ga)S2 have been attracted extensive attentions, the efforts to developing the methodologies for phase-controlled synthesis of them are rare. In this paper, we reported a phase-selective synthesis of CIGS nanoparticles with metastable phases via simply changing the composition of solvents. For the wet chemistry synthesis, the microstructure of the initial nuclei is decisive to the crystal structure of final products. In the formation of Cu(In,Ga)S2, the solvent environment is the key factor, which could affect the coordination of monomers and influence the thermodynamic conditions of Cu-S nucleation. Moreover, wurtzite and zincblende Cu(In,Ga)S2 nanoparticles are selectively prepared by choosing pure en or its mixture with deionized water as reaction solvent. The as-synthesized wurtzite Cu(In,Ga)S2 possess a band gap of 1.6 eV and a carrier mobility of 4.85 cm2/Vs, which indicates its potential to construct a heterojunction with hexagonal-structured CdS for solar cells.
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Affiliation(s)
- Xiaokun Zhang
- School of Materials and Energy, University of Electronic Science and Technology of China, 2006 Xiyuan Avenue, West High-Tech Zone, Chengdu, 611731 Sichuan China
| | - Shuai Liu
- School of Materials and Energy, University of Electronic Science and Technology of China, 2006 Xiyuan Avenue, West High-Tech Zone, Chengdu, 611731 Sichuan China
| | - Fang Wu
- School of Materials and Energy, University of Electronic Science and Technology of China, 2006 Xiyuan Avenue, West High-Tech Zone, Chengdu, 611731 Sichuan China
| | - Xiaoli Peng
- School of Materials and Energy, University of Electronic Science and Technology of China, 2006 Xiyuan Avenue, West High-Tech Zone, Chengdu, 611731 Sichuan China
| | - Baoguo Yang
- Science and Technology on Electronic Test and Measurement Laboratory, The 41st Research Institute of CETC, Qingdao, 266555 Shandong China
| | - Yong Xiang
- School of Materials and Energy, University of Electronic Science and Technology of China, 2006 Xiyuan Avenue, West High-Tech Zone, Chengdu, 611731 Sichuan China
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35
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Stroyuk O, Raevskaya A, Gaponik N. Solar light harvesting with multinary metal chalcogenide nanocrystals. Chem Soc Rev 2018; 47:5354-5422. [PMID: 29799031 DOI: 10.1039/c8cs00029h] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The paper reviews the state of the art in the synthesis of multinary (ternary, quaternary and more complex) metal chalcogenide nanocrystals (NCs) and their applications as a light absorbing or an auxiliary component of light-harvesting systems. This includes solid-state and liquid-junction solar cells and photocatalytic/photoelectrochemical systems designed for the conversion of solar light into the electric current or the accumulation of solar energy in the form of products of various chemical reactions. The review discusses general aspects of the light absorption and photophysical properties of multinary metal chalcogenide NCs, the modern state of the synthetic strategies applied to produce the multinary metal chalcogenide NCs and related nanoheterostructures, and recent achievements in the metal chalcogenide NC-based solar cells and the photocatalytic/photoelectrochemical systems. The review is concluded by an outlook with a critical discussion of the most promising ways and challenging aspects of further progress in the metal chalcogenide NC-based solar photovoltaics and photochemistry.
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Affiliation(s)
- Oleksandr Stroyuk
- L.V. Pysarzhevsky Institute of Physical Chemistry, National Academy of Sciences of Ukraine, 03028 Kyiv, Ukraine.
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36
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Yu X, Shou W, Mahajan BK, Huang X, Pan H. Materials, Processes, and Facile Manufacturing for Bioresorbable Electronics: A Review. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1707624. [PMID: 29736971 DOI: 10.1002/adma.201707624] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Revised: 02/05/2018] [Indexed: 05/21/2023]
Abstract
Bioresorbable electronics refer to a new class of advanced electronics that can completely dissolve or disintegrate with environmentally and biologically benign byproducts in water and biofluids. They have provided a solution to the growing electronic waste problem with applications in temporary usage of electronics such as implantable devices and environmental sensors. Bioresorbable materials such as biodegradable polymers, dissolvable conductors, semiconductors, and dielectrics are extensively studied, enabling massive progress of bioresorbable electronic devices. Processing and patterning of these materials are predominantly relying on vacuum-based fabrication methods so far. However, for the purpose of commercialization, nonvacuum, low-cost, and facile manufacturing/printing approaches are the need of the hour. Bioresorbable electronic materials are generally more chemically reactive than conventional electronic materials, which require particular attention in developing the low-cost manufacturing processes in ambient environment. This review focuses on material reactivity, ink availability, printability, and process compatibility for facile manufacturing of bioresorbable electronics.
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Affiliation(s)
- Xiaowei Yu
- Department of Mechanical and Aerospace Engineering, Missouri University of Science and Technology, Rolla, MO, 65401, USA
| | - Wan Shou
- Department of Mechanical and Aerospace Engineering, Missouri University of Science and Technology, Rolla, MO, 65401, USA
| | - Bikram K Mahajan
- Department of Mechanical and Aerospace Engineering, Missouri University of Science and Technology, Rolla, MO, 65401, USA
| | - Xian Huang
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjing, 300072, China
| | - Heng Pan
- Department of Mechanical and Aerospace Engineering, Missouri University of Science and Technology, Rolla, MO, 65401, USA
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37
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Kim TS, Song HJ, Kim JC, Ju B, Kim DW. 3D Architectures of Co x P Using Silk Fibroin Scaffolds: An Active and Stable Electrocatalyst for Hydrogen Generation in Acidic and Alkaline Media. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1801284. [PMID: 29750440 DOI: 10.1002/smll.201801284] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 04/11/2018] [Indexed: 06/08/2023]
Abstract
Developing nonprecious, highly active, and stable catalysts is essential for efficient electrocatalytic hydrogen evolution reaction in water splitting. In this study, the facile synthesis of a 3D flower-like Cox P/carbon architecture is proposed composed of an assembly of nanosheets interconnected by silk fibroin that acts as 3D scaffolds and a carbon source. This unique 3D architecture coupled with a carbon matrix enhances catalytic activity by exposing more active sites and increasing charge transport. The flower-like Cox P/carbon can facilitate a lower overpotential, Tafel slope, charge transfer resistance, and a higher electrochemically active surface than carbon-free and silk-free Cox P. The nanostructured architecture exhibits excellent catalytic performance with low overpotentials of 109 and 121 mV at 10 mA cm-2 and Tafel slopes of 55 and 62 mV dec-1 in acidic and alkaline media, respectively. Furthermore, it minimally degrades the overpotential and current density after long-term stability tests 10 000 cyclic voltammetry cycles and a chronoamperometric test over 40 h, respectively, in acidic media, which confirms the high durability and stability of the flower-like Cox P/carbon.
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Affiliation(s)
- Taek-Seung Kim
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Hee Jo Song
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Jae-Chan Kim
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Bobae Ju
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Dong-Wan Kim
- School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, 02841, Republic of Korea
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38
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Liu Z, Zhang J, Liu Y, Zhu W, Zhang X, Wang Q. Electrodeposition of Cobalt Phosphosulfide Nanosheets on Carbon Fiber Paper as Efficient Electrocatalyst for Oxygen Evolution. ChemElectroChem 2018. [DOI: 10.1002/celc.201800384] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Zhenchuan Liu
- Key Laboratory for Green Chemical Technology of the Ministry of Education, School of chemical engineering & technology; Tianjin University; 135 Yaguan Road, Tianjin Haihe Education Park 300350 Tianjin China
| | - Junfeng Zhang
- State Key Laboratory of Engines, School of Mechanical Engineering; Tianjin University; 135 Yaguan Road, Tianjin Haihe Education Park 300350 Tianjin China
| | - Yangxing Liu
- Key Laboratory for Green Chemical Technology of the Ministry of Education, School of chemical engineering & technology; Tianjin University; 135 Yaguan Road, Tianjin Haihe Education Park 300350 Tianjin China
| | - Weikang Zhu
- Key Laboratory for Green Chemical Technology of the Ministry of Education, School of chemical engineering & technology; Tianjin University; 135 Yaguan Road, Tianjin Haihe Education Park 300350 Tianjin China
| | - Xiangwen Zhang
- Key Laboratory for Green Chemical Technology of the Ministry of Education, School of chemical engineering & technology; Tianjin University; 135 Yaguan Road, Tianjin Haihe Education Park 300350 Tianjin China
| | - Qingfa Wang
- Key Laboratory for Green Chemical Technology of the Ministry of Education, School of chemical engineering & technology; Tianjin University; 135 Yaguan Road, Tianjin Haihe Education Park 300350 Tianjin China
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Ilie CC, Guzman F, Swanson BL, Evans IR, Costa PS, Teeter JD, Shekhirev M, Benker N, Sikich S, Enders A, Dowben PA, Sinitskii A, Yost AJ. Inkjet printable-photoactive all inorganic perovskite films with long effective photocarrier lifetimes. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2018; 30:18LT02. [PMID: 29578449 DOI: 10.1088/1361-648x/aab986] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Photoactive perovskite quantum dot films, deposited via an inkjet printer, have been characterized by x-ray diffraction and x-ray photoelectron spectroscopy. The crystal structure and bonding environment are consistent with CsPbBr3 perovskite quantum dots. The current-voltage (I-V) and capacitance-voltage (C-V) transport measurements indicate that the photo-carrier drift lifetime can exceed 1 ms for some printed perovskite films. This far exceeds the dark drift carrier lifetime, which is below 50 ns. The printed films show a photocarrier density 109 greater than the dark carrier density, making these printed films ideal candidates for application in photodetectors. The successful printing of photoactive-perovskite quantum dot films of CsPbBr3, indicates that the rapid prototyping of various perovskite inks and multilayers is realizable.
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Affiliation(s)
- C C Ilie
- Department of Physics, State University of New York-Oswego, Oswego, NY 13126-3599, United States of America
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Pejjai B, Minnam Reddy VR, Gedi S, Park C. Review on earth-abundant and environmentally benign Cu–Sn–X(X = S, Se) nanoparticles by chemical synthesis for sustainable solar energy conversion. J IND ENG CHEM 2018. [DOI: 10.1016/j.jiec.2017.09.033] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Dong Y, Cai G, Zhang Q, Wang H, Sun Z, Wang H, Wang Y, Xue S. Solution-phase deposition of SnS thin films via thermo-reduction of SnS 2. Chem Commun (Camb) 2018; 54:1992-1995. [PMID: 29411000 DOI: 10.1039/c7cc09198b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Here, we demonstrate a novel solution-based route for deposition of tin monosulfide (SnS) thin films, which are emerging, non-toxic absorber materials for low-cost and large-scale PV applications via thermo-reducing Sn(iv) to Sn(ii). Upon optimizing the morphology of the SnS layer via adding a seed layer, the SnS-based hybrid solar cells show promising photocurrent conversion efficiencies.
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Affiliation(s)
- Yixin Dong
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Department of Applied Chemistry, Tianjin University of Technology, No. 391 Binshui Xidao, Xiqing District, Tianjin 300384, P. R. China.
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Cook B, Liu Q, Butler J, Smith K, Shi K, Ewing D, Casper M, Stramel A, Elliot A, Wu J. Heat-Assisted Inkjet Printing of Tungsten Oxide for High-Performance Ultraviolet Photodetectors. ACS APPLIED MATERIALS & INTERFACES 2018; 10:873-879. [PMID: 29218990 DOI: 10.1021/acsami.7b15391] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
An ammonium metatungstate precursor (WO3Pr) ink was printed for tungsten oxide (WO3) UV detectors on SiO2/Si wafers with prefabricated Au electrodes. A systematic study was carried out on the printing parameters including substrate temperatures in the range of 22-80 °C, WO3Pr molar concentrations of 0.01, 0.02, and 0.03 M, and printing scan numbers up to 7 to understand their effects on the resulted WO3 film morphology and optoelectronic properties. It has been found that the printing parameters can sensitively affect the WO3 film morphology, which in turn impacts the WO3 photodetector performance. In particular, the printed films experienced a systematic change from discontinuous droplets at below 40 °C to continuous films at 40-60 °C of the substrate temperature. At higher temperatures, the excessive heat from the substrate not only caused drastic evaporation of the printed ink, resulting in highly nonuniform films, but also detrimental heating of the ink in the printer nozzle in proximity of the substrate, preventing continuous printing operation. An optimal printing window of the substrate temperature of 45-55 °C at a molar concentration of 0.02 M of ammonium metatungstate and three printing scans was obtained for the best UV detector performance. A large on/off ratio of 3538 and a high responsivity up to 2.70 A/W at 5 V bias (0.54 A/W·V) represent a significant improvement over the best report of ∼0.28 μA/W·V on WOX photodetectors, which indicates that the printed WO3 films are promising for various applications of optoelectronics and sensors.
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Affiliation(s)
- Brent Cook
- Department of Physics and Astronomy, University of Kansas , Lawrence, Kansas 66045, United States
| | - Qingfeng Liu
- Department of Physics and Astronomy, University of Kansas , Lawrence, Kansas 66045, United States
| | - Jackson Butler
- Olathe Northwest High School , 21300 College Blvd, Olathe, Kansas 66061-3397, United States
| | - Keifer Smith
- Lawrence High School , 1901 Louisiana Street, Lawrence 66046, United States
| | - Karen Shi
- Lawrence Free State High School , 4700 Overland Drive, Lawrence, Kansas 66049-4130, United States
| | - Dan Ewing
- Department of Energy's Kansas City National Security Campus , Kansas City, Missouri 64147, United States
| | - Matthew Casper
- Department of Energy's Kansas City National Security Campus , Kansas City, Missouri 64147, United States
| | - Alex Stramel
- Department of Energy's Kansas City National Security Campus , Kansas City, Missouri 64147, United States
| | - Alan Elliot
- Department of Energy's Kansas City National Security Campus , Kansas City, Missouri 64147, United States
| | - Judy Wu
- Department of Physics and Astronomy, University of Kansas , Lawrence, Kansas 66045, United States
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Cha JH, Woo WJ, Jeong SC, Jung S, Lee HJ, Jung DY. Complexing agent-assisted highly dense CuInSe2 thin films prepared by one-step electrochemical deposition. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2017.12.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Yang Z, Zhang JY, Liu Z, Li Z, Lv L, Ao X, Tian Y, Zhang Y, Jiang J, Wang C. "Cuju"-Structured Iron Diselenide-Derived Oxide: A Highly Efficient Electrocatalyst for Water Oxidation. ACS APPLIED MATERIALS & INTERFACES 2017; 9:40351-40359. [PMID: 29111645 DOI: 10.1021/acsami.7b14072] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Electrocatalysts with outstanding performance have been highly desired toward exploration of new energy storage and conversion devices/systems as well as making an efficient and eco-friendly utilization of green energy. In this study, we composed an iron-based binary diselenide-derived oxide (Fe-SDO) with a facile one-step hydrothermal method to utilize the earth-abundant iron and the probably prosperous catalytic performance of metal-selenides compounds. The catalyst exhibits an overpotential of 226 mV at a current density of 10 mA/cm2, a Tafel slope of 41 mV dec-1, and robust durability after catalyzing vigorous OER for 36 h constantly. Through several analytical methods conducted before and after the oxygen evolution reaction activation on FeSe2 it was discovered that such catalyst possessed a morphology as "Cuju"-like balls with porosity inside in which we explored the vacancy defects and lattice distortion that play significant roles in generating the high electrocatalytic performance of our proposed catalyst by inducing remarkable electron conductivity in the porous Cuju balls (a Chinese traditional football). Throughout our work the superb electrocatalyst performance of the iron-based compounds was demonstrated, and subsequently the underlying reason for such electrocatalyst performance was addressed, which may push boundaries for the exploration of iron-based compounds as OER catalyst and large-scale commercial application of such compounds in the future.
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Affiliation(s)
- Zhaoxi Yang
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, People's Republic of China
| | - Jun-Ye Zhang
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, People's Republic of China
| | - Zaiyong Liu
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, People's Republic of China
| | - Zhishan Li
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, People's Republic of China
| | - Lin Lv
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, People's Republic of China
| | - Xiang Ao
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, People's Republic of China
| | - Yifan Tian
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, People's Republic of China
| | - Yi Zhang
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology , Wuhan 430073, People's Republic of China
| | - Jianjun Jiang
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, People's Republic of China
| | - Chundong Wang
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, People's Republic of China
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Haas M, Christopoulos V, Radebner J, Holthausen M, Lainer T, Schuh L, Fitzek H, Kothleitner G, Torvisco A, Fischer R, Wunnicke O, Stueger H. Branched Hydrosilane Oligomers as Ideal Precursors for Liquid-Based Silicon-Film Deposition. Angew Chem Int Ed Engl 2017; 56:14071-14074. [PMID: 28977723 DOI: 10.1002/anie.201707525] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Indexed: 11/09/2022]
Abstract
Herein a convenient synthetic method to obtain 2,2,3,3-tetrasilyltetrasilane 3 and 2,2,3,3,4,4-hexasilylpentasilane 4 on a multigram scale is presented. Proton-coupled 29 Si NMR spectroscopy and single-crystal X-ray crystallography enabled unequivocal structural assignment. Owing to their unique properties, which are reflected in their nonpyrophoric character on contact with air and their enhanced light absorption above 250 nm, 3 and 4 are valuable precursors for liquid-phase deposition (LPD) and the processing of thin silicon films. Amorphous silicon (a-Si:H) films of excellent quality were deposited starting from 3 and characterized by conductivity measurements, ellipsometry, optical microscopy, and Raman spectroscopy.
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Affiliation(s)
- Michael Haas
- Institute of Inorganic Chemistry, Technische Universität Graz, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Viktor Christopoulos
- Institute of Inorganic Chemistry, Technische Universität Graz, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Judith Radebner
- Institute of Inorganic Chemistry, Technische Universität Graz, Stremayrgasse 9/IV, 8010, Graz, Austria
| | | | - Thomas Lainer
- Institute of Inorganic Chemistry, Technische Universität Graz, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Lukas Schuh
- Institute of Inorganic Chemistry, Technische Universität Graz, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Harald Fitzek
- Institute of Electron Microscopy and Nanoanalysis, Technische Universität Graz, Steyrergasse 17, 8010, Graz, Austria
| | - Gerald Kothleitner
- Institute of Electron Microscopy and Nanoanalysis, Technische Universität Graz, Steyrergasse 17, 8010, Graz, Austria
| | - Ana Torvisco
- Institute of Inorganic Chemistry, Technische Universität Graz, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Roland Fischer
- Institute of Inorganic Chemistry, Technische Universität Graz, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Odo Wunnicke
- Evonik Creavis GmbH, Paul-Baumann-Strasse 1, 45772, Marl, Germany
| | - Harald Stueger
- Institute of Inorganic Chemistry, Technische Universität Graz, Stremayrgasse 9/IV, 8010, Graz, Austria
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Haas M, Christopoulos V, Radebner J, Holthausen M, Lainer T, Schuh L, Fitzek H, Kothleitner G, Torvisco A, Fischer R, Wunnicke O, Stueger H. Branched Hydrosilane Oligomers as Ideal Precursors for Liquid-Based Silicon-Film Deposition. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707525] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Michael Haas
- Institute of Inorganic Chemistry; Technische Universität Graz; Stremayrgasse 9/IV 8010 Graz Austria
| | - Viktor Christopoulos
- Institute of Inorganic Chemistry; Technische Universität Graz; Stremayrgasse 9/IV 8010 Graz Austria
| | - Judith Radebner
- Institute of Inorganic Chemistry; Technische Universität Graz; Stremayrgasse 9/IV 8010 Graz Austria
| | | | - Thomas Lainer
- Institute of Inorganic Chemistry; Technische Universität Graz; Stremayrgasse 9/IV 8010 Graz Austria
| | - Lukas Schuh
- Institute of Inorganic Chemistry; Technische Universität Graz; Stremayrgasse 9/IV 8010 Graz Austria
| | - Harald Fitzek
- Institute of Electron Microscopy and Nanoanalysis; Technische Universität Graz; Steyrergasse 17 8010 Graz Austria
| | - Gerald Kothleitner
- Institute of Electron Microscopy and Nanoanalysis; Technische Universität Graz; Steyrergasse 17 8010 Graz Austria
| | - Ana Torvisco
- Institute of Inorganic Chemistry; Technische Universität Graz; Stremayrgasse 9/IV 8010 Graz Austria
| | - Roland Fischer
- Institute of Inorganic Chemistry; Technische Universität Graz; Stremayrgasse 9/IV 8010 Graz Austria
| | - Odo Wunnicke
- Evonik Creavis GmbH; Paul-Baumann-Strasse 1 45772 Marl Germany
| | - Harald Stueger
- Institute of Inorganic Chemistry; Technische Universität Graz; Stremayrgasse 9/IV 8010 Graz Austria
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Guo S, Yuan L, Liu X, Zhou W, Song X, Zhang S. First-principles study of SO2 sensors based on phosphorene and its isoelectronic counterparts: GeS, GeSe, SnS, SnSe. Chem Phys Lett 2017. [DOI: 10.1016/j.cplett.2017.08.030] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Wang T, Wu L, Xu X, Sun Y, Wang Y, Zhong W, Du Y. An efficient Co 3S 4/CoP hybrid catalyst for electrocatalytic hydrogen evolution. Sci Rep 2017; 7:11891. [PMID: 28928375 PMCID: PMC5605511 DOI: 10.1038/s41598-017-12332-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 09/06/2017] [Indexed: 11/14/2022] Open
Abstract
The development of efficient, universal and inexpensive electrocatalysts for hydrogen evolution reaction (HER) is central to the area of sustainable energy conversion. Considering the Co-based sulfides/phosphides have the same catalytic mechanism with the hydrogenases occurring in nature. Here, a new catalyst based on Co3S4/CoP hybrid that is comprised entirely cheap and earthabundant elements, was first synthesized via a two-step method, the Co(CO3)0.5(OH)·0.11H2O precursor was prepared by a hydrothermal method, followed by phosphidation and sulphidation under Ar atmosphere simultaneously. The resulting Co3S4/CoP hybrid material possessed porous core-shell structure with a homogeneous element distribution and large electroactive surface area (~21.04 mF cm-2). More importantly, the nanostructured Co3S4/CoP electrode exhibits excellent HER properties in acid medium with a low onset overpotential of 34 mV, a small Tafel slope of 45 mV dec-1, as well as a large exchange current density of 150 μA cm-2. These results obtained in this study indicate that the Co3S4/CoP hybrid nanorod is promising replacement to the Pt-based catalysts for H2 production. Moreover, the synthetic method presented in this work can provide an efficient way to synthesis other nanocomposites.
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Affiliation(s)
- Tingting Wang
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures and Jiangsu Provincial Laboratory for NanoTechnology, Nanjing University, Nanjing, 210093, China
| | - Liqian Wu
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures and Jiangsu Provincial Laboratory for NanoTechnology, Nanjing University, Nanjing, 210093, China
| | - Xiaobing Xu
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures and Jiangsu Provincial Laboratory for NanoTechnology, Nanjing University, Nanjing, 210093, China
- College of electronic Engineering, Nanjing Xiaozhuang University, Nanjing, 210017, China
| | - Yuan Sun
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures and Jiangsu Provincial Laboratory for NanoTechnology, Nanjing University, Nanjing, 210093, China
| | - Yuanqi Wang
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures and Jiangsu Provincial Laboratory for NanoTechnology, Nanjing University, Nanjing, 210093, China
| | - Wei Zhong
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures and Jiangsu Provincial Laboratory for NanoTechnology, Nanjing University, Nanjing, 210093, China.
| | - Youwei Du
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructures and Jiangsu Provincial Laboratory for NanoTechnology, Nanjing University, Nanjing, 210093, China
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