New PDF release: Copper Zinc Tin Sulfide-Based Thin Film Solar Cells
By Kentaro Ito
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Additional resources for Copper Zinc Tin Sulfide-Based Thin Film Solar Cells
ITO/ZnO/CdS layers are digitally enhanced for clarification. 2 (a) TEM image; (b) high-resolution TEM image (aligned to the <221> zone axis); and (c) UV-vis absorption spectrum for the as-synthesized CZTS nanocrystals. 4 (a) XRD and (b) UV-vis spectra for various CZTGeS nanocrystals synthesized with varying degrees of Ge-incorporation. 50 . 10 Cross-sectional SEM-EDX mapping demonstrating that the composition of the fine-grain layer resulting from the selenization of a quaternary nanocrystal film mostly comprises Se and C with minimal signal from Cu, Zn, and Sn.
A, b) J–V curves for temperatures in the range 120–300 K. The arrow points towards lower temperatures. 12 (a, b) Secondary-ion mass spectrometry measurements of two absorber layers which showed a different behavior in terms of temperature dependence of the series resistance presented in (c, d). 2% CZTSe absorber layer (the slice is taken near the top of the absorber and is 6 nm thick perpendicular to the plane of the image); and (b) compositional line profile indicated with the arrow in (a). 1% IBM-CZTSSe devices.
2 Idealized annealing apparatus, consisting of a sealed chamber allowing no chemical species to leave or enter except via the valve. Inside the chamber, a thin film consisting of metal and metal sulfide sits on an inert substrate. 3 Experimental data for the three steps taken to show the kesterite equilibrium where (I) is the precursor consisting of Cu2–xS and ZnS, (II) is the annealed precursor film consisting of Cu2ZnSnS4, and (III) is the vacuum-annealed Cu2ZnSnS4 showing extreme tin loss. 4 Pseudo-ternary phase diagram of the Cu-Zn-Sn-S system at 400°C .
Copper Zinc Tin Sulfide-Based Thin Film Solar Cells by Kentaro Ito