Silicon nanowire - poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) heterojunction solar cells

Date

2011-09-12

Author

Ozdemir, Baris
Kulakci, Mustafa
Turan, Raşit
Ünalan, Hüsnü Emrah

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Radial heterojunctions are known to exhibit magnificent anti-reflectivity and enhanced carrier collectivity due to short carrier diffusion distances. In this work, silicon nanowire-poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) radial heterojunction solar cells are presented. Both layers of the heterojunction are fabricated using simple and cost-effective methods. Radial heterojunctions showed remarkable improvements in solar cell characteristics compared to planar heterojunctions, fabricated under the same conditions. The highest solar cell efficiency of 5.30% is obtained. The cells exhibit external quantum efficiency of 77% at 500 nm wavelength and harvest light over the entire 300-1200 nm spectral bandwidth. The effect of nanowire length on device performance is also determined. (C) 2011 American Institute of Physics. [doi:10.1063/1.3636385]

URI

https://hdl.handle.net/11511/40800

Journal

APPLIED PHYSICS LETTERS

DOI

https://doi.org/10.1063/1.3636385

Collections

Department of Physics, Article

Citation Formats

B. Ozdemir, M. Kulakci, R. Turan, and H. E. Ünalan, “Silicon nanowire - poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) heterojunction solar cells,” APPLIED PHYSICS LETTERS, vol. 99, no. 11, pp. 0–0, 2011, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/40800.