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Characterization of stability of benchmark organic photovoltaic films after proton and electron bombardments

Barbé, Jérémy, Lee, Harrison K. H., Toyota, Hiroyuki, Hirose, Kazuyuki, Sato, Shin-ichiro, Ohshima, Takeshi, Heasman, Keith and Tsoi, Wing C. (2018) Characterization of stability of benchmark organic photovoltaic films after proton and electron bombardments Applied Physics Letters, 113 (18), 183301.

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Abstract

Organic solar cells have attractive potential for space applications as they have very high specific power (power generated per weight) and ultra-high flexibility (to reduce stowed volume). However, one critical issue is whether they are stable under the harsh space environment, particularly their stability under high energy, high flux, electron and proton bombardment. In this paper, the stability of benchmark organic photovoltaic layers under proton bombardment (150 keV with a fluence of 1 × 1012/cm2) and electron bombardment (1 MeV with a fluence of 1 × 1013/cm2) under vacuum is investigated. Raman spectroscopy, photoluminescence spectroscopy, and optical reflectance spectroscopy are applied to study their chemical/structural, photo-chemical/morphological, and optical stability after the bombardments. The results show that all the benchmark organic photovoltaic films are stable under the radiation, implying that organic solar cells could be feasible for space applications.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Barbé, Jérémy
Lee, Harrison K. H.
Toyota, Hiroyuki
Hirose, Kazuyuki
Sato, Shin-ichiro
Ohshima, Takeshi
Heasman, Keithk.heasman@surrey.ac.uk
Tsoi, Wing C.
Date : 29 October 2018
Funders : EPSRC
DOI : 10.1063/1.5046829
Copyright Disclaimer : Copyright 2018 AIP Publishing
Depositing User : Melanie Hughes
Date Deposited : 31 Oct 2018 10:41
Last Modified : 11 Dec 2018 11:24
URI: http://epubs.surrey.ac.uk/id/eprint/849801

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