薄膜太阳电池CIGS吸收层低成本制备-电沉积工艺研究

LOW COST FORMATION TECHNOLOGY OF CIGS THIN-FILM SOLAR CELL-ELECTRODEPOSITION TECHNIQUE

薄膜太阳能电池的Cu(In,Ga)Se2(CIGS)吸收层的制备工艺对太阳能电池的性能起着决定性的作用,它不但与降低生产成本息息相关,而且与转化效率、能否大规模生产等产业化中的问题密不可分。电化学沉积是一种非真空工艺,可与卷绕工艺结合进行大规模生产,本文详细论述了电化学沉积的原理及其沉积电动势、电解质浓度、pH值、析氢、温度和衬底材料对CIGS薄膜吸收层的影响。

Absorbed layer fabrication technique of Cu（In,Ga）Se2 （CIGS） thin-film solar cell is important for the solar cell properties. It is closely related to cost reduction, conversion efficiency and large scale industrial production. Electrochemical deposition is non-vacuum processing for CIGS solar cells, and can be used with roll-in-roll technology in large-scale production. This paper reviews the principle of electrochemical deposition and the influence of deposition potential, soluti