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Thomas JP, Srivastava S, Zhao L, et al. Reversible structural transformation and enhanced performance of PEDOT:PSS-based hybrid solar cells driven by light intensity. ACS Appl Mater Interfaces. 2015;7(14):7466-70doi: 10.1021/acsami.5b01252.
Thomas, J. P., Srivastava, S., Zhao, L., Abd-Ellah, M., McGillivray, D., Kang, J. S., Rahman, M. A., Moghimi, N., Heinig, N. F., & Leung, K. T. (2015). Reversible structural transformation and enhanced performance of PEDOT:PSS-based hybrid solar cells driven by light intensity. ACS applied materials & interfaces, 7(14), 7466-70. https://doi.org/10.1021/acsami.5b01252
Thomas, Joseph Palathinkal, et al. "Reversible structural transformation and enhanced performance of PEDOT:PSS-based hybrid solar cells driven by light intensity." ACS applied materials & interfaces vol. 7,14 (2015): 7466-70. doi: https://doi.org/10.1021/acsami.5b01252
Thomas JP, Srivastava S, Zhao L, Abd-Ellah M, McGillivray D, Kang JS, Rahman MA, Moghimi N, Heinig NF, Leung KT. Reversible structural transformation and enhanced performance of PEDOT:PSS-based hybrid solar cells driven by light intensity. ACS Appl Mater Interfaces. 2015 Apr 15;7(14):7466-70. doi: 10.1021/acsami.5b01252. Epub 2015 Apr 06. PMID: 25838244.
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ACS Appl Mater Interfaces. 2015 Apr 15;7(14):7466-70. doi: 10.1021/acsami.5b01252. Epub 2015 Apr 06.

Reversible structural transformation and enhanced performance of PEDOT:PSS-based hybrid solar cells driven by light intensity.

ACS applied materials & interfaces

Joseph Palathinkal Thomas, Saurabh Srivastava, Liyan Zhao, Marwa Abd-Ellah, Donald McGillivray, Jung Soo Kang, Md Anisur Rahman, Nafiseh Moghimi, Nina F Heinig, Kam Tong Leung

Affiliations

  1. WATLab and Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L3G1, Canada.

PMID: 25838244 DOI: 10.1021/acsami.5b01252

Abstract

UNLABELLED: Hybrid solar cells made of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (

PEDOT: PSS) and appropriate amounts of a cosolvent and a fluorosurfactant on planar n-type silicon substrates showed a photoconversion efficiency (PCE) of above 13%. These cells also exhibited stable, reproducible, and high external quantum efficiency (EQE) that was not sensitive to light-bias intensity (LBI). In contrast, solar cells made of pristine

PEDOT: PSS showed low PCE and high EQE only under certain measurement conditions. The EQE was found to degrade with increasing LBI. Here we report that the LBI-sensitive variation of EQE of the low-PCE cells is related to a reversible structural transformation from a quinoid to a benzoid structure of PEDOT.

Keywords: PEDOT:PSS; external quantum efficiency; hybrid solar cell; light-bias intensity; structure stabilization

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