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Doping-Dedoping Interplay to Realize Patterned/Stacked All-Polymer Optoelectronic Devices

Title
Doping-Dedoping Interplay to Realize Patterned/Stacked All-Polymer Optoelectronic Devices
Authors
Kim, JuheeKang, MingyunCho, JangwhanYu, Seong HoonChung, Dae Sung
DGIST Authors
Kim, Juhee; Kang, Mingyun; Cho, Jangwhan; Yu, Seong Hoon; Chung, Dae Sung
Issue Date
2019-05
Citation
ACS Applied Materials and Interfaces, 11(20), 18580-18589
Type
Article
Article Type
Article
Author Keywords
dedopingdopingphotodiodepolymer semiconductortransistor
Keywords
Doping (additives)HeterojunctionsOptoelectronic devicesPhotodiodesSemiconductor dopingTransistorsAmbipolar transistorsComplementary invertersDe-dopingHeterojunction photodiodesPolymer electronicsPolymer optoelectronicsPolymer semiconductorsSpecific detectivityPolymers
ISSN
1944-8244
Abstract
One of the remaining keys to the success of polymer electronics is the ability to systematically pattern/stack polymer semiconductors with high precision. This paper reports the precise patterning and stacking of various polymer semiconductors with the assistance of a molecular oxidizing agent and reducing agent for donor and acceptor semiconductors, respectively. Such doping-induced solubility control methods have been previously well developed; however, practical applications to various optoelectronic devices have been limited. To pattern/stack various polymers in various dimensions, it is important to carefully design not only the doping method for desolubilizing polymer semiconductors but also the dedoping method for recovering the genuine characteristics of each polymer semiconductor. Based on a systematic approach for such a doping-dedoping interplay, various high-performance optoelectronic devices are demonstrated: (1) all-polymer complementary inverter pattern with a high gain of 176, (2) all-polymer planar heterojunction photodiode with green-selective nature and high specific detectivity over 1012 Jones, and (3) all-polymer ambipolar transistor pattern with balanced hole and electron mobilities. The results of the study indicate the potential of practical application of the doping-dedoping interplay to lateral/vertical patterning of different polymer semiconductors with high precision. © 2019 American Chemical Society.
URI
http://hdl.handle.net/20.500.11750/9992
DOI
10.1021/acsami.9b03153
Publisher
American Chemical Society
Files:
There are no files associated with this item.
Collection:
Department of Energy Science and EngineeringPolymer Energy Materials Lab1. Journal Articles


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