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Optical and electrical properties of Wurtzite copper indium sulfide nanoflakes

หน่วยงาน Nanyang Technological University, Singapore

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ชื่อเรื่อง : Optical and electrical properties of Wurtzite copper indium sulfide nanoflakes
นักวิจัย : Ho, John C. W. , Batabyal, Sudip Kumar , Pramana, Stevin S. , Lum, Jiayi , Pham, Viet T. , Li, Dehui , Xiong, Qihua , Tok, Alfred Iing Yoong , Wong, Lydia Helena
คำค้น : DRNTU::Engineering::Materials
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2555
อ้างอิง : Ho, J. C. W., Batabyal, S. K., Pramana, S. S., Lum, J., Pham, V. T., Li, D., Xiong, Q., Tok, A. I. Y., Wong, L. H., et al. (2012). Optical and Electrical Properties of Wurtzite Copper Indium Sulfide Nanoflakes. Materials Express, 2(4), 344-350. , http://hdl.handle.net/10220/17858 , http://dx.doi.org/10.1166/mex.2012.1091
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Materials express
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

Raman spectroscopic analysis and Hall measurement of wurtzite copper indium sulfide (CuInS2) were carried out. Nanocrystalline wurtzite CuInS2 (CIS) was synthesized by a solvothermal reaction route for these studies. It is observed that the amount of sulfur source, time and temperature of the reaction are the key to control wurtzite phase formation of CuInS2. Wurtzite nanoflakes were formed at 150°C, with ethylenediamine as the selected solvent and the ratio of Cu:In:S precursor was kept at 1.1 : 1 : 5. The Hall measurement resulted in sheet resistivity, ρ, of ~2x105 Ω/sq, Hall coefficient of ~10 m2/C, mobility of ~0.5 cm2/V-s and hole concentration of ~7×1013 /cm2. Slight shift in the Raman spectra of 1-2 cm-1 was observed between wurtzite and roquesite CuInS2 and was attributed to the stoichiometric variation in Cu/In and/or changes in the chemical environments of the two crystal structures.

บรรณานุกรม :
Ho, John C. W. , Batabyal, Sudip Kumar , Pramana, Stevin S. , Lum, Jiayi , Pham, Viet T. , Li, Dehui , Xiong, Qihua , Tok, Alfred Iing Yoong , Wong, Lydia Helena . (2555). Optical and electrical properties of Wurtzite copper indium sulfide nanoflakes.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Ho, John C. W. , Batabyal, Sudip Kumar , Pramana, Stevin S. , Lum, Jiayi , Pham, Viet T. , Li, Dehui , Xiong, Qihua , Tok, Alfred Iing Yoong , Wong, Lydia Helena . 2555. "Optical and electrical properties of Wurtzite copper indium sulfide nanoflakes".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Ho, John C. W. , Batabyal, Sudip Kumar , Pramana, Stevin S. , Lum, Jiayi , Pham, Viet T. , Li, Dehui , Xiong, Qihua , Tok, Alfred Iing Yoong , Wong, Lydia Helena . "Optical and electrical properties of Wurtzite copper indium sulfide nanoflakes."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print.
Ho, John C. W. , Batabyal, Sudip Kumar , Pramana, Stevin S. , Lum, Jiayi , Pham, Viet T. , Li, Dehui , Xiong, Qihua , Tok, Alfred Iing Yoong , Wong, Lydia Helena . Optical and electrical properties of Wurtzite copper indium sulfide nanoflakes. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.