2015
DOI: 10.7567/apex.8.042303
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Cu2SnS3thin-film solar cells fabricated by sulfurization from NaF/Cu/Sn stacked precursor

Abstract: Cu2SnS3 thin films were prepared by crystallization in a sulfur/tin mixing atmosphere from stacked NaF/Cu/Sn precursors deposited by the sequential evaporation of Sn, Cu elements, and NaF. The NaF mole ratio was changed at (x = 0 to 0.12). From X-ray diffraction patterns and Raman spectra, the Cu2SnS3 thin films were considered to have a monoclinic structure. The grain size of the Cu2SnS3 thin films decreased with increasing NaF/Cu mole ratio. The band-gap energies of the Cu2SnS3 thin films determined from qu… Show more

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Cited by 156 publications
(113 citation statements)
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“…Advantageously, it has fewer possibilities for secondary phases, defect complexes [6], and avoids the structural disorder arising with Cu/Zn exchange [7]. Solar cells made from CTS have reached an efficiency up to 4.6% synthesized from a NaF/Cu/Sn stacked precursor [8]. This is still far from the best CZTS efficiency of 12.6% [9] and several reasons are proposed for this deviation.…”
Section: Introductionmentioning
confidence: 99%
“…Advantageously, it has fewer possibilities for secondary phases, defect complexes [6], and avoids the structural disorder arising with Cu/Zn exchange [7]. Solar cells made from CTS have reached an efficiency up to 4.6% synthesized from a NaF/Cu/Sn stacked precursor [8]. This is still far from the best CZTS efficiency of 12.6% [9] and several reasons are proposed for this deviation.…”
Section: Introductionmentioning
confidence: 99%
“…В плен-ках Cu 2 SnS 3 , изготавливаемых методом сульфуризаци-ей слоев металлов и используемых для солнечных элементов с наилучшим (на основе CTS) коэффи-циентом полезного действия (η ∼ 4.63%), наблюдает-ся соотношение Cu/Sn ∼ 1.41−1.88 [6]. В получен-ных из золь-гель-раствора на основе ДМСО плен-ках Cu 2 SnS 3 количество серы отвечает соотношению S/(Cu + Sn) ∼ 1.5, что хорошо согласуется со значени-ями для эффективных фотопреобразователей на основе CTS (S(Cu + Sn) = 1.37−1.93 [6]). …”
Section: результаты и их обсуждениеunclassified
“…По известным из рентгеноструктурных исследований средним размерам кристаллитов L ≈ 41−44 nm пленок CTS с учетом эффективной массы дырок m h = 0.2m 0 [7] из соотношений (6) …”
Section: результаты и их обсуждениеunclassified
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“…Among the Cu-Sn-S compounds, Cu 2 SnS 3 (CTS) has been suggested as potential solar cell absorber because it has an absorption coefficient comparable to CZTS and a band gap of 0.9-1.35 eV depending on the crystal structure [4][5][6]. The highest efficiency of CTS solar cells of 4.65 % was achieved by thermal evaporation [7]. CTS thin films have also, more recently, been fabricated by pulsed laser deposition (PLD) [8].…”
Section: Introductionmentioning
confidence: 97%