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Accurate control of multishelled ZnO hollow microspheres for dye-sensitized solar cells with high efficiency
Zhenghong Dong1, Xiaoyong Lai, Jonathan E Halpert
1State Key Laboratory of Multi-phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, P. R. China.
Abstract:
A series of multishelled ZnO hollow microspheres with controlled shell number and inter-shell spacing have been successfully prepared by a simple carbonaceous microsphere templating method, whose large surface area and complex multishelled hollow structure enable them load sufficient dyes and multi-reflect the light for enhancing light harvesting and realize a high conversion efficiency of up to 5.6% when used in dye-sensitized solar cells.
