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Simultaneous phase and morphology controllable synthesis of copper selenide films by microwave-assisted nonaqueous approach
Institution:1. Key Laboratory for Micro-Nano Energy Storage and Conversion Materials of Henan Province, Institute of Surface Micro and Nano Materials, Xuchang University, Henan, Xuchang 461000, PR China;2. College of Chemistry and Chemical Engineering, Xuchang University, Xuchang 461000, PR China;1. CSIR-Network of Institutes for Solar Energy, Materials Physics and Engineering Division, CSIR-National Physical Laboratory, Dr. K. S. Krishnan Road, New Delhi 110012, India;2. Department of Applied Physics, Delhi Technological University, Delhi, India;1. Department of Applied Physics and Materials Science, California Institute of Technology, CA 91125, USA;2. Department of Materials Science and Engineering, Northwestern University, IL 60208, USA;3. Department of Physics and Atmospheric Science, Dalhousie University, Halifax, NS, Canada;4. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;1. Department of Advanced Materials Science, The University of Tokyo, Kashiwa 277-8561, Japan;2. Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan;3. Elements Strategy Initiative for Catalysts and Batteries, (ESICB) Kyoto University, Kyoto 615-8520, Japan;1. CSIR-Network of Institutes for Solar Energy, CSIR-National Physical Laboratory, Dr. K. S. Krishnan Road, New Delhi 110012, India;2. Department of Applied Physics, Delhi Technological University, Delhi, India;1. Department of Physics, Science and Art Faculty, Erzincan University, Erzincan, Turkey;2. Department of Electrical and Electronic, Engineering Faculty, Erzincan University, Erzincan, Turkey;3. Department of Physics, Science Faculty, Atatürk University, Erzurum, Turkey
Abstract:Copper selenide films with different phase and morphology were synthesized on copper substrate through controlling reaction solvent by microwave-assisted nonaqueous approach. The films were characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM). The result showed that the pure films could be obtained using cyclohexyl alcohol or benzyl alcohol as solvent. The cubic Cu2−xSe dendrites were synthesized in cyclohexyl alcohol reaction system and hexagonal CuSe flaky crystals were obtained with benzyl alcohol as solvent.
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