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Journal of Nanomaterials - Volume 2015 2015, Article ID 675312, 5 pages -

Research ArticleDepartment of Electro-Optical Engineering, Southern Taiwan University of Science and Technology, Yong-Kang, Tainan 710, Taiwan

Received 30 September 2014; Accepted 16 December 2014

Academic Editor: Shafiul Chowdhury

Copyright © 2015 Ruei-Tang Chen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Building integrated photovoltaics BIPV are an important application of future solar energy development. The incorporation of solar cells into windows must not only maintain indoor natural lighting but also generate electrical power at the same time. In our continuing effort to improve the design of diffusion solar window, a more fundamental and efficient three-layer structure—glass-EVA with TiO2 nanoparticles embedded-glass—was proposed. In this work, a well-established ASAP ray-tracing model for a diffusive solar cell window was implemented to validate the outperformance of three-layer structure over primitive five-layer structure. Optical simulations were also implemented to perform its primary design for the determination of the optimal design parameters, such as the glass thickness, the EVA thickness, and the weight concentration of TiO2 nanoparticles. Based on the simulation results, an optimal design for a three-layer diffusive solar cell window prototype was proposed. And the influence of both EVA thickness and glass thickness on the power edge-exitance solar cell power generation efficiency of a DSCW was thoroughly investigated.

Autor: Ruei-Tang Chen, Chih-Chieh Kang, Jeng-Feng Lin, Sheng-Wei Chiou, Hung-Hsiang Cheng, and Chih-Wen Lai



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