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首页> 外文期刊>Materials Science and Engineering >Development of CuInTe2 thin film solar cells by electrochemical route with low temperature (80 ℃) heat treatment procedure
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Development of CuInTe2 thin film solar cells by electrochemical route with low temperature (80 ℃) heat treatment procedure

机译：低温（80℃）热处理工艺电化学合成CuInTe2薄膜太阳能电池

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摘要

The effect of successive low-temperature heat treatment on the properties of electrodeposited CuInTe_2 (CIT) thin films is investigated. The electrodeposition potential, -0.8 V versus Ag/AgCl was optimized by cyclic voltammetry onto CdS coated Fluorine doped tin oxide substrate. The samples were successively heat treated at 80 ℃ for 5,30 and 60 min in an air ambient. The structural, morphological, compositional, electrical and optoelectronic properties were studied using XRD, Raman spectroscopy, SEM, FESEM, EDS, Current-Voltage and Capacitance-Voltage measurements. As-prepared CIT film exhibited amorphous nature, whereas the systematic development in the crystallinity was observed in successively heat treated samples. Compact, densely packed, globular surface morphology was observed. The Cu/In ratio was found to be increased systematically from 0.60 to 0.82 with heat treatment duration. The solar cell devices successively heat treated at 80 ℃ for 30 and 60 min measured an efficiency (η), 3.4% and 3.8%, respectively.
机译：研究了连续低温热处理对电沉积CuInTe_2（CIT）薄膜性能的影响。通过循环伏安法在CdS涂覆的氟掺杂的氧化锡基板上优化了相对于Ag / AgCl的电沉积电位-0.8V。样品在空气环境中依次在80℃下热处理5,30和60分钟。使用XRD，拉曼光谱，SEM，FESEM，EDS，电流电压和电容电压测量研究了结构，形态，成分，电和光电性能。制备的CIT膜表现出非晶态性质，而在连续热处理的样品中观察到结晶度的系统发展。观察到紧密，密实的球状表面形态。发现Cu / In比随着热处理时间而从0.60系统地增加到0.82。分别在80℃下热处理30分钟和60分钟的太阳能电池器件的效率（η）分别为3.4％和3.8％。

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