Pulse electrodeposited zinc sulfide as an eco-friendly buffer layer for the cadmium-free thin-film solar cells

被引：9
作者：
Boosagulla, Divya [1 ,2 ]
Mandati, Sreekanth [1 ]
Misra, Prashant [1 ]
Allikayala, Ramachandraiah [2 ]
V. Sarada, Bulusu [1 ]
机构：
[1] Ctr Solar Energy Mat, Int Adv Res Ctr Powder Met & New Mat ARCI, Hyderabad 500005, Telangana, India
[2] Natl Inst Technol, Dept Chem, Warangal 506004, Telangana, India
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2021年 / 160卷 / 160期
关键词：
Zinc sulfide; Tartaric acid; Electrodeposition; Solar cells; Cadmium-free; CHEMICAL BATH DEPOSITION; N-TYPE; OPTICAL-PROPERTIES; DOPED ZNS; CDS; TEMPERATURE; CU(IN; PB;
D O I：
10.1016/j.spmi.2021.107060
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Zinc sulfide (ZnS) is an emerging alternate n-type buffer layer for the cadmium-free thin-film solar cells. The present research adopts a unique mixture of glycerol and tartaric acid for the emergence of phase-pure ZnS during pulse electrodeposition. Besides, proper optimization of pulse parameters aid in producing crystalline ZnS films with no post-deposition heat treatment. The as-deposited films exhibit cubic ZnS as confirmed from X-Ray Diffraction (XRD) and microRaman analyses. The optical study reveals an average transmittance of 71% in the wavelength spread of 300-900 nm with a band gap of 3.8 eV. The n-type semiconducting behavior of ZnS is affirmed from the Mott-Schottky analysis and the flat band potential is inferred to be -1.0 V vs SCE. The crystalline ZnS films produced from the economic pulse electrodeposition method devoid of heat treatment step, with their demonstration as photoanode in photoelectrochemical cells are suitable for the relevant applications.
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页数：10
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