Cu(In,Ga)Se2 absorbers prepared by electrodeposition for low-cost thin-film solar cells

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摘要 Reducingthemanufacturingcostofsolarcellsisnecessarytotheirindustrialproduction.Electrodepositingisaneffective,non-vacuummethodwhichisverysuitableforcuttingthemanufacturingcostofthinfilmsaswellasdevelopingitslarge-scaleindustrialproduction.Inthisstudy,about1-μm-thickCu(In,Ga)Se_2(CIGS)precursorswereelectrodepositedonMo/glasssubstratesinaqueoussolutionutilizingathree-electrodepotentiostaticsystem.Triethanolaminewasusedascomplexingagent,andallparametersofelectrodepositionwerepreciselycontrolled.Afterthat,theelectrodepositedprecursorswereselenizedinaSeatmospherewithdifferentheatingramprates(60and600℃·min~(-1)).High-qualityCIGSfilmswereobtained,andtheircharacteristicswereinvestigatedbyX-rayfluorescence,scanningelectronmicroscopy,energydispersivespectroscopy,X-raydiffraction,Ramanspectraandnear-infrared-visible(NIR-Vis)spectra.Theresultsrevealthattherearemanydifferencesbetweenthepropertiesofthefilmsunderdifferentheatingrates.Finally,CIGSsolarcellswerefabricatedusingafastandaslowheatingrate.Themaximumefficienciesachievedforthefilmsselenizedat60and600℃-min~(-1)are3.15%and0.71%,respectively.
机构地区 不详
出处 《稀有金属:英文版》 2017年9期
出版日期 2017年09月19日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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