Mesoporous (N, S)-codoped TiO sub(2) nanoparticles as effective photoanode for dye-sensitized solar cells

• Published in: Journal of alloys and compounds Vol. 512; no. 1; pp. 23 - 26
• Main Authors: Li, Yuanyuan, Jia, Lichao, Wu, Congcong, Han, Song, Gong, Yingpeng, Chi, Bo, Pu, Jian, Jian, Li
• Format: Journal Article
• Language: English
• Published: 25-01-2012
• Subjects: Anatase; Density; Dyes; Nanoparticles; Photocurrent; Photovoltaic cells; Solar cells; Titanium dioxide
• ISSN: 0925-8388
• DOI: 10.1016/j.jallcom.2011.08.072

(N, S)-codoped titania (TiO sub(2)) is synthesized by a simple template-free solvothermal method as photoanode for dye-sensitized solar cells (DSSCs). The results confirm that N and S have been doped into the lattice of anatase, which can enhance the visible-light absorbance and promote the electron transportation in TiO sub(2). The prepared (N, S)-codoped TiO sub(2) exhibits pure anatase phase mesoporous nanoparticles with average diameter of 60 nm. Mixing (N, S)-codoped TiO sub(2) with Degussa P25 as photoanode results in the improvement of open-circuit voltage and short-circuit photocurrent density of DSSC. And the corresponding DSSC obtains a high conversion efficiency of 8.0%.