B309+银掺杂的铜铟镓硒薄膜和器件性能研究+王晨-solarbe文库

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Fig.4 a PL spectra of the absorbers with different AAC of A0–A6, respectively. b The PL spectrum of sample C6, in which the Ag in A6 is replaced with the equivalent amount of Cu. c The value of GGI and Eg with different AAC. 新能源材料制备与加工/Preparation and Processing of New Energy Materials 银掺杂的铜铟镓硒薄膜和器件性能研究 Effects of silver-doping on CIGS and Device Performances Chen Wang a , Daming Zhuang* , a , Ming Zhao a , Yuxian Li a , Jianyong Zhai a , Hao Tong a a School of Materials Science and Engineering, Tsinghua University, 100084 Beijing, P. R. China Email w-c17mails.tsinghua.edu.cn Experimental Results and discussion 样品制备  所有预制膜均采用磁控溅射法制备，退火工艺参照参考文献 [2] 。  相关样品成分表 Introduction 铜铟镓硒（CIGS ）太阳电池是具有广阔应用前景的薄膜太阳能电池之一。为了进一步提高其在能源市场中的占有率，首先需要提高CIGS 器件的性能。而提高薄膜质量，钝化载流子复合是提高器件性能的一个重要途径。近年来，Ag 元素的掺杂由于能够提高吸收层带隙、改善薄膜结晶性等影响，受到CIGS 和铜锌锡硒（CZTS ）器件研究者的广泛关注和研究。但对于Ag相关影响的原因并未阐述清楚。本文提出使用磁控溅射法制备Ag 薄膜和CuInGa前驱体，之后进行硒化退火制备吸收层与电池。研究了Ag 掺杂对薄膜的结晶性的影响，并探究了Ag 促进结晶性提高的原因。研究并分析了Ag 掺杂对电子学缺陷、薄膜与器件质量的影响 [1,2] 。 Sample ID A0 A1 A2 A4 A6 C6 I/III 0.843 0.849 0.856 0.869 0.881 0.881 AAC 0 0.008 0.015 0.030 0.044 0 Fig.1 The surface and cross-sectional SEM images of absorbers with different AAC of a A0, b A1, c A2, d A4, and e A6, respectively. f presents the surface and crosssectional SEM images of the sample C6, in which the Ag in A6 is replaced with the equivalent amount of Cu. Fig.2 DSC patterns of a-1 CuSe, b Ag2Se, c CuInSe2, d AgInSe2, a-2 Cu2Se. Fig.3 a The Raman spectra of the sample A20 and sample C20. b The XRD patterns of the sample A0–A6, respectively. c FWHM values calculated from b. Fig.5 a Typical J-V characteristics of the representative solar cells with different AAC of A0–A6. b EQE spectra of the solar cells with different AAC of A0–A6. c VOC, def of the cells with various AAC of A0–A6. VOC, def is the value of Eg/q- VOC, and the Eg is obtained by PL measurement. Every boxplot was based on more than five cells. Ref [1] 10.1016/j.ceramint.2020.09.069 [2] 10.1016/j.jechem.2021.08.008

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