کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10136039 | 1645676 | 2018 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of precursors pre-annealing on the microstructure of Cu2ZnSnS4 thin films on titanium foil substrate
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Cu2ZnSnS4 (CZTS) thin films were synthesized by sulfurization of Cu/Sn/Cu/Zn precursors electrochemically deposited on titanium foil substrates. A part of the precursor samples were pre-annealed at 250â¯Â°C for 30â¯min. Sulfurization of the samples was carried out at 500â¯Â°C for 2â¯h. It was obtained that preliminary annealing leads to exclusions of CuSn and CuZn4 phases from the precursor composition. When using the as-deposited precursors, the CZTS phase is formed with preferred orientation along the [211] and [213] directions, and petal-shaped crystallites on the film surface form. Using annealed precursor films, the CZTS phase is formed with porous morphology and without pronounced preferred orientation. The CZTS films obtained from as-deposited precursors contain lack of tin (Cu/(Snâ¯+â¯Zn)â¯=â¯0.95 and Zn/Snâ¯=â¯1.95 ratios of at.%), whereas the annealed precursor lead to formation of the films with elemental composition close to stoichiometry (Cu/(Snâ¯+â¯Zn)â¯=â¯1.13 and Zn/Snâ¯=â¯1.06 ratios of at. %). The films obtained from annealed precursors possess lattice parameters close to the data for bulk crystals, which indicates high structural perfection of CZTS.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 664, 31 October 2018, Pages 79-82
Journal: Thin Solid Films - Volume 664, 31 October 2018, Pages 79-82
نویسندگان
S.A. Bashkirov, V.F. Gremenok, R. JuÅ¡kÄnas, R. Giraitis, V.V. Rakitin, G.F. Novikov,