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Cu2ZnSn(S,Se)4 solar cell absorbers processed from Na-containing solutions in DMSO

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Cu2ZnSn(S,Se)4 absorbers were processed from metal salt solutions in dimethyl sulfoxide (DMSO) and annealed in reactive
Se atmosphere. A simple way to introduce sodium doping by adding NaCl to the initial precursor solution is presented. The additional sodium has no significant effect on the absorber morphology, but it improves the device performance from 5.01% to 6.09%. The sodium doping clearly reduces the recombination rate asmanifested in a higher Jsc. and enhanced carrier collection.It is also shown that the absorber layer thickness should be optimized to 1.5mm. By reducing the absorber thickness we found a facile way to extend the well crystallized top crust over the whole absorber and thus improve the solar cell performance.

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Informasi Detail

Judul Seri

Phys. Status Solidi

No. Panggil

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Penerbit

: WILEY-VCH Verlag GmbH & Co. KGaA., 2015

Deskripsi Fisik

Phys. Status Solidi A 212, No. 1, 116–120 (2015)

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

FISIKA

Info Detail Spesifik

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