Efficiency enhancement in dye-sensitized solar cells by three-dimensional photonic crystals

Dae Kue Hwang; Byunghong Lee; Dae Hwan Kim; Robert P.H. Chang

doi:10.1143/APEX.5.122301

Efficiency enhancement in dye-sensitized solar cells by three-dimensional photonic crystals

Dae Kue Hwang, Byunghong Lee, Dae Hwan Kim, Robert P.H. Chang

Northwestern University

Research output: Contribution to journal › Article

5 Citations (Scopus)

Abstract

We have proposed a new dye-sensitized solar cell (DSSC) structure that employs three-dimensional (3D) photonic crystals (PCs) to enhance the light absorption and improve the power conversion efficiency (PCE) by using coherent scattering phenomena. All the DSSC structures with the 3D PC layer exhibited higher short-circuit current densities and higher PCE (10.8%) than those of traditional DSSCs (9.5%) because light that passed through the photoanode was diffracted, thereby making it possible to reuse it. The PCE is improved without affecting the delicate kinetic balance between the charge separation and recombination that is required to improve light-harvesting efficiency (LHE).

Original language	English
Article number	122301
Journal	Applied Physics Express
Volume	5
Issue number	12
DOIs	https://doi.org/10.1143/APEX.5.122301
Publication status	Published - Dec 1 2012

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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Hwang, D. K., Lee, B., Kim, D. H., & Chang, R. P. H. (2012). Efficiency enhancement in dye-sensitized solar cells by three-dimensional photonic crystals. Applied Physics Express, 5(12), [122301]. https://doi.org/10.1143/APEX.5.122301

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