Broad work-function tunability of p-type conjugated polyelectrolytes for efficient organic solar cells

Byoung Hoon Lee; Jong Hoon Lee; Song Yi Jeong; Sae Byeol Park; Seoung Ho Lee; Kwanghee Lee

doi:10.1002/aenm.201401653

Broad work-function tunability of p-type conjugated polyelectrolytes for efficient organic solar cells

Byoung Hoon Lee, Jong Hoon Lee, Song Yi Jeong, Sae Byeol Park, Seoung Ho Lee, Kwanghee Lee

Department of Chemical Engineering & Materials Science

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

67 Scopus citations

Abstract

p-Type conjugated polyelectrolytes (CPEs) are developed as organic-based work-function-modifier materials for the broad work-function (WF) tunability of various metal electrodes. Facile oxidative treatments of n-type CPEs using various oxidants produce unprecedented p-type CPEs with reversed electronic properties corresponding to n-type CPEs, resulting in fine WF tuning of adjacent metal electrodes. This change leads to substantial increases in power conversion efficiency and lifetime of organic solar cells.

Original language	English
Article number	1401653
Journal	Advanced Energy Materials
Volume	5
Issue number	5
DOIs	https://doi.org/10.1002/aenm.201401653
State	Published - 1 Mar 2015

Bibliographical note

Publisher Copyright:
© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords

conjugated polyelectrolytes
interfacial dipoles
organic solar cells
self-doping
work-function tuning

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10.1002/aenm.201401653

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abstract = "p-Type conjugated polyelectrolytes (CPEs) are developed as organic-based work-function-modifier materials for the broad work-function (WF) tunability of various metal electrodes. Facile oxidative treatments of n-type CPEs using various oxidants produce unprecedented p-type CPEs with reversed electronic properties corresponding to n-type CPEs, resulting in fine WF tuning of adjacent metal electrodes. This change leads to substantial increases in power conversion efficiency and lifetime of organic solar cells.",

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AU - Jeong, Song Yi

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AU - Lee, Seoung Ho

AU - Lee, Kwanghee

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AB - p-Type conjugated polyelectrolytes (CPEs) are developed as organic-based work-function-modifier materials for the broad work-function (WF) tunability of various metal electrodes. Facile oxidative treatments of n-type CPEs using various oxidants produce unprecedented p-type CPEs with reversed electronic properties corresponding to n-type CPEs, resulting in fine WF tuning of adjacent metal electrodes. This change leads to substantial increases in power conversion efficiency and lifetime of organic solar cells.

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KW - interfacial dipoles

KW - organic solar cells

KW - self-doping

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ER -

Broad work-function tunability of p-type conjugated polyelectrolytes for efficient organic solar cells

Abstract

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Keywords

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