Oxygen- and water-based degradation in [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) films

Qinye Bao; Xianjie Liu; Slawomir Braun; Mats Fahlman

doi:10.1002/aenm.201301272

Oxygen- and water-based degradation in [6,6]-phenyl-C₆₁-butyric acid methyl ester (PCBM) films

Qinye Bao^*
, Xianjie Liu
, Slawomir Braun
, Mats Fahlman

^*Corresponding author for this work

Linköping University

Research output: Contribution to journal › Article › peer-review

105 Scopus citations

Abstract

Effects of in situ oxygen/water exposure on the energetics of [6,6]-phenyl-C₆₁-butyric acid methyl ester (PCBM) films are presented. For oxygen exposure, the work function is downshifted by ≈0.15 eV compared to the ideal integer charge transfer (ICT) curve for pristine PCBM, which is incompatible with significant introduction of electron trap states or p-doping. Water induces the highest occupied molecular orbital (HOMO) structure to undergo strong, irreversible modifications accompanied by a chemical interaction with PCBM.

Original language	English
Article number	1301272
Journal	Advanced Energy Materials
Volume	4
Issue number	6
DOIs	https://doi.org/10.1002/aenm.201301272
State	Published - 22 Apr 2014
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

degradation
electronic structure
integer charge transfer
oxygen/water exposure
photoelectron spectroscopy

Access to Document

10.1002/aenm.201301272

Cite this

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title = "Oxygen- and water-based degradation in [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) films",

abstract = "Effects of in situ oxygen/water exposure on the energetics of [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) films are presented. For oxygen exposure, the work function is downshifted by ≈0.15 eV compared to the ideal integer charge transfer (ICT) curve for pristine PCBM, which is incompatible with significant introduction of electron trap states or p-doping. Water induces the highest occupied molecular orbital (HOMO) structure to undergo strong, irreversible modifications accompanied by a chemical interaction with PCBM.",

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T1 - Oxygen- and water-based degradation in [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) films

AU - Bao, Qinye

AU - Liu, Xianjie

AU - Braun, Slawomir

AU - Fahlman, Mats

PY - 2014/4/22

Y1 - 2014/4/22

N2 - Effects of in situ oxygen/water exposure on the energetics of [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) films are presented. For oxygen exposure, the work function is downshifted by ≈0.15 eV compared to the ideal integer charge transfer (ICT) curve for pristine PCBM, which is incompatible with significant introduction of electron trap states or p-doping. Water induces the highest occupied molecular orbital (HOMO) structure to undergo strong, irreversible modifications accompanied by a chemical interaction with PCBM.

AB - Effects of in situ oxygen/water exposure on the energetics of [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) films are presented. For oxygen exposure, the work function is downshifted by ≈0.15 eV compared to the ideal integer charge transfer (ICT) curve for pristine PCBM, which is incompatible with significant introduction of electron trap states or p-doping. Water induces the highest occupied molecular orbital (HOMO) structure to undergo strong, irreversible modifications accompanied by a chemical interaction with PCBM.

KW - degradation

KW - electronic structure

KW - integer charge transfer

KW - oxygen/water exposure

KW - photoelectron spectroscopy

UR - https://www.scopus.com/pages/publications/84900468931

U2 - 10.1002/aenm.201301272

DO - 10.1002/aenm.201301272

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SN - 1614-6832

VL - 4

JO - Advanced Energy Materials

JF - Advanced Energy Materials

IS - 6

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ER -