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Pure Appl. Chem., 2012, Vol. 84, No. 12, pp. 2653-2675

Published online 2012-06-07

Interface engineering: Boosting the energy conversion efficiencies for nanostructured solar cells

Guodong Liu, Shulin Ji, Guoping Xu and Changhui Ye*

Anhui Key Laboratory of Nanomaterials and Technology and Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China

Abstract: Nanostructured solar cells have attracted increasing attention in recent years because their low cost and ease of preparation offer unique advantages and opportunities unavailable with conventional single-crystalline solar cells. The efficiencies of this kind of solar cell largely depend on the interfacial structure owing to the large specific interface areas and the inherent high density of interface states. In this review article, strategies of interface engineering will be introduced in detail. The up-to-date progress and understanding of interface engineering and its role in influencing the efficiency of nanostructured solar cells will be discussed. Some of the representative examples of the interface engineering method will be presented wherever necessary. Continued boosting of the energy conversion efficiency for nanostructured solar cells is anticipated in the coming years and will bring this kind of solar cell to the status of commercialization.