Journal article
Charge carrier transport in thin conjugated polymer films: influence of morphology and polymer/substrate interactions
Colloid and polymer science, v 299(3), pp 439-456
01 Mar 2021
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The performance of conjugated polymer (CP)-based electronic devices relies on optimal charge carrier mobilities, which are determined by monomeric architecture, degree of polymerization, chain conformation, and the nano- and mesoscale morphologies. With regard to the latter, we discuss two effects that have received limited attention in the literature, yet important for device performance optimization: (1) the role of morphological disorder and of CP/substrate interactions on the in-plane and out-of-plane carrier transport in CPs; (2) the impact of morphological disorder on charge transfer at the CP/substrate interface. The emergence of film thickness-dependent carrier mobilities, varying over two orders of magnitude within a length scale of 200 nm, and band-bending phenomena, extending tens of nanometers within the CP, are associated with these effects. These findings suggest areas for further research in order to enable widespread applications of next-generation CP-based devices.
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Details
- Title
- Charge carrier transport in thin conjugated polymer films: influence of morphology and polymer/substrate interactions
- Creators
- Ban Xuan Dong - BioSurfaces (United States)J. K. Wenderott - BioSurfaces (United States)Peter F. Green - BioSurfaces (United States)
- Publication Details
- Colloid and polymer science, v 299(3), pp 439-456
- Publisher
- Springer Nature
- Number of pages
- 18
- Grant note
- DE-SC0000957 / Department of Energy, Energy Frontier Research Center; United States Department of Energy (DOE)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000565515400001
- Scopus ID
- 2-s2.0-85090116080
- Other Identifier
- 991022132152904721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Chemistry, Physical
- Polymer Science