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Composition controlled preparation of Cu-Zn-Sn precursor films for Cu2ZnSnS4 solar cells using pulsed electrodeposition
Dang, Wenping1; Ren, Xiaodong1; Zi, Wei1; Jia, Lujian1; Liu, Shengzhong (Frank)1,2
KeywordCzts Pulsed Deposition Solar Cell
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
2015-11-25
DOI10.1016/j.jallcom.2015.07.203
Volume650Pages:1-7
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS KeywordSINGLE-STEP ELECTRODEPOSITION ; IONIC LAYER ADSORPTION ; THIN-FILMS ; OPTICAL-PROPERTIES ; FABRICATION ; EFFICIENCY ; PHOTOVOLTAICS ; NANOPARTICLES ; DEPOSITION ; CUINSE2
AbstractA pulsed electrodeposition technique is developed to prepare Cu-Zn-Sn (CZT) precursor films for the Cu2ZnSnS4 (CZTS) solar cells. The CZT precursor films are co-deposited on Mo-coated substrate using a cyanide-free electrolyte containing Zn (II) and Sn (II) salts. During the deposition, CuSO4 solution is supplied at controlled rate using a peristaltic pump to effectively regulate Cu2+ concentration. In addition, C6H5Na3O7 is used as a coordination ligand to further balance activities of the Cu2+, Sn2+ and Zn2+. The CZTS films are then prepared using a sulfurization process to convert the electrodeposited CZT precursors at 580 degrees C in a sulphur atmosphere. The annealed thin films are characterized by X-ray diffraction (XRD), Raman spectroscopy, field emission scanning electron microscopy (FE-SEM), EDAX and X-ray photoelectron spectroscopy (XPS) techniques for their structural, morphological, compositional and chemical properties. It is found that the addition rate of Cu (II) has significant effects on the properties of the CZTS thin films. The CZTS film prepared using the optimized copper addition rate (0.15 ml/min) shows pure kesterite phase, Cu-poor and Zn-rich composition, compact morphology and good band gap similar to 1.45 eV. Solar cells using the structure glass/Mo/CZTS/CdS/i-ZnO/ZnO:Al achieves a respectable external quantum efficiency and solar cell efficiency. (C) 2015 Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000361519300001
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/146556
Collection中国科学院大连化学物理研究所
Affiliation1.Shaanxi Normal Univ, Sch Mat Sci & Engn, Key Lab Appl Surface & Colloid Chem, Natl Minist Educ, Xian 710062, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Dang, Wenping,Ren, Xiaodong,Zi, Wei,et al. Composition controlled preparation of Cu-Zn-Sn precursor films for Cu2ZnSnS4 solar cells using pulsed electrodeposition[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2015,650:1-7.
APA Dang, Wenping,Ren, Xiaodong,Zi, Wei,Jia, Lujian,&Liu, Shengzhong .(2015).Composition controlled preparation of Cu-Zn-Sn precursor films for Cu2ZnSnS4 solar cells using pulsed electrodeposition.JOURNAL OF ALLOYS AND COMPOUNDS,650,1-7.
MLA Dang, Wenping,et al."Composition controlled preparation of Cu-Zn-Sn precursor films for Cu2ZnSnS4 solar cells using pulsed electrodeposition".JOURNAL OF ALLOYS AND COMPOUNDS 650(2015):1-7.
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