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Download Copper Zinc Tin Sulfide-Based Thin Film Solar Cells by Kentaro Ito PDF

By Kentaro Ito

Beginning with an outline and old history of Copper Zinc Tin Sulphide (CZTS) know-how, next chapters conceal homes of CZTS skinny motion pictures, various guidance equipment of CZTS skinny movies, a comparative research of CZTS and CIGS sun mobile, computational procedure, and destiny functions of CZTS skinny movie sun modules to either ground-mount and rooftop install.

The semiconducting compound (CZTS) is made up earth-abundant, inexpensive and non-toxic components, which make it a terrific candidate to switch Cu(In,Ga)Se2 (CIGS) and CdTe sunlight cells which face fabric shortage and toxicity matters. The equipment functionality of CZTS-based skinny movie sunlight cells has been gradually bettering during the last twenty years, and so they have now reached close to advertisement potency degrees (10%). those achievements turn out that CZTS-based sun cells have the capability for use for large-scale deployment of photovoltaics.
With contributions from best researchers from academia and undefined, lots of those authors have contributed to the advance of its potency, and feature wealthy event in getting ready numerous semiconducting skinny motion pictures for sun cells.

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Extra info for Copper Zinc Tin Sulfide-Based Thin Film Solar Cells

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9% efficiency CZTSe solar cell with a TiN layer (sample C1, TiN) under dark and 1 sun illumination. Normalized EQE is shown in the inset. 5G solar spectrum. The band gap range of kesterites is marked. (b) Efficiency as a function of absorber band gap for various CZTSSe solar cell devices reported in the literature. The vertical lines depict the transition from pure Se to SSe and from SSe to S devices. 9. I. du Pont de Nemours and Company, − Avancis GmbH, + IMEC, × CEA, * University of Luxembourg.

11 Raman spectrum of CZTS polycrystals. The fitting result for the A1 peak is shown on the inset graph, where the original spectrum is represented by symbols. 12 (a) Low-temperature (T=10 K) PL spectrum of near-stoichiometric CZTS; and (b) the corresponding radiative recombination model. 13 Micro-PL spectra of CZTS. 14 (a) Arrhenius plot showing the calculated activation energies of the defect levels in CZTS. The measurements are performed at bias 0 V. (b) Temperature dependence of the relative efficiency η of a CZTSSe MGL solar cell under different light intensities.

The scan direction is indicated by the arrow in (a). 11 (a) I–V characteristics under dark and1 sun illumination. Light I–V was measured by an external accredited laboratory (Newport Technology and Applications Center’s Photovoltaic Lab) and it is very similar to our own measurement (not shown here). (b) EQEs measured at zero and at a reverse bias (–1 V). 12 TRPL spectrum at the emission wavelength of 960 nm. Carrier lifetime of c. 8 ns was determined by a single exponent fit to the spectrum (15–25 ns).

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