Quintuple-shelled SnO(2) hollow microspheres with superior light scattering for high-performance dye-sensitized solar cells.

Dong, Zhenghong; Ren, Hao; Hessel, Colin M; Wang, Jiangyan; Yu, Ranbo; Jin, Quan; Yang, Mei; Hu, Zhudong et al. · Adv Mater · 2014

basic_science · Level V

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Abstract

Quintuple-shelled SnO2 hollow microspheres are prepared by a hard-template method. DSSCs constructed with SnO2 multi-shell photoanodes show a record photoconversion efficiency of 7.18% due to enhanced light scattering. SnO2 hollow microspheres that are utilized as a scattering layer on top of P25 films increase the DSSC photoconversion efficiency from 7.29% to 9.53%.