| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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L-cystine-Assisted Growth and Mechanism of CuInS2 Nanocrystallines via Solvothermal Process |
| LIU Hai-Tao1, ZHONG Jia-Song2, LIU Bing-Feng1, LIANG Xiao-Juan1, YANG Xin-Yu1, JIN Huai-Dong1, YANG Fan1, XIANG Wei-Dong1,2**
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1College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035
2College of Materials Science and Engineering, Tongji University, Shanghai 100092
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LIU Hai-Tao, ZHONG Jia-Song, LIU Bing-Feng et al 2011 Chin. Phys. Lett. 28 057702 |
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Abstract L-cystine is successfully used as a kind of sulfur source to grow CuInS2 nanocrystallines at 200°C for 18 h in a mixed solution made of 20 mL ethylenediamine and 20 mL distilled water. The diameter of the CuInS2 nanocrystallines ranges from 300 to 500 nm. The structure of nanocrystallines is determined to be of the tetragonal phase of CuInS2. A reasonable possible mechanism for the growth of CuInS2 nanocrystallines is proposed. The as−obtained CuInS2 products are examined using diverse techniques including x-ray powder diffraction, x-ray photoelectron spectroscopy, field-emission scanning electron microscopy, transmission electron microscopy, selected-area electron diffraction and high-resolution transmission electron microscopy.
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| Keywords:
77.84.-s
81.07.-b
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Received: 11 February 2011
Published: 26 April 2011
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| PACS: |
77.84.-s
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(Dielectric, piezoelectric, ferroelectric, and antiferroelectric materials)
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81.07.-b
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(Nanoscale materials and structures: fabrication and characterization)
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