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Dr. Vahid A. Akhavan, Taylor B. Harvey, C. Jackson Stolle, Dr. David P. Ostrowski, Micah S. Glaz, Dr. Brian W. Goodfellow, Dr. Matthew G. Panthani, Dariya K. Reid, Prof. David A. Vanden Bout and Prof. Brian A. Korgel Influence of Composition on the Performance of Sintered Cu(In,Ga)Se2 Nanocrystal Thin-Film Photovoltaic Devices ChemSusChem 6

Article first published online: 11 FEB 2013 | DOI: 10.1002/cssc.201200677

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Composition influences sintering and performance: The performance of selenized Cu(In,Ga)Se2 nanocrystal photovoltaics has been observed to change dramatically with different [Ga]/[In+Ga] ratios in the nanocrystals. The [Ga]/[In+Ga] concentration alters the [Cu]/[In+Ga] content in the nanocrystals, which influences sintering and film morphology (see image), leading to very significant variations in device efficiency.

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