Electrical transport characteristics of chemically robust PDPP-DTT embedded in a bridged silsesquioxane network
- Authors
- Shin, Jihye; Park, Han Wool; Kim, Seunghan; Yang, Jeehye; Kim, Jaehee; Park, Hye Won; Kim, Do Hwan; Kang, Moon Sung
- Issue Date
- Dec-2019
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- JOURNAL OF MATERIALS CHEMISTRY C, v.7, no.47, pp.14889 - 14896
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF MATERIALS CHEMISTRY C
- Volume
- 7
- Number
- 47
- Start Page
- 14889
- End Page
- 14896
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/32802
- DOI
- 10.1039/c9tc04940a
- ISSN
- 2050-7526
- Abstract
- Chemical robustness of solution-processed polymer semiconductor films against various chemical solvents plays a critical role in realizing the low-cost fabrication of functional devices in tandem structures. This has been recently obtained by constructing a semi-interpenetrating diphasic polymer network (s-IDPN) comprising a bridged silsesquioxane (BSSQ) framework with an embedded polymer semiconductor. Despite the disruption in the ordering of polymers induced by the BSSQ framework, the electrical transport characteristics of the s-IDPN film turned out to be superior to those of the pristine polymer film. As a case study, we examined the temperature-dependent electrical transport characteristics of poly[2,5-(2-octyldodecyl)-3,6-diketopyrrolopyrrole-alt-5,5-(2,5-di(thien-2-yl)thieno[3,2-b]thiophene)] (PDPP-DTT) embedded in a bridged silsesquioxane (BSSQ) framework. The enhanced transport through PDPP-DTT in the s-IDPN structure is associated with the increased short-range ordering of the polymers embedded in the BSSQ framework and the chemical doping effect provided by the framework, which altogether concentrate the density of states for PDPP-DTT effectively involved in hole transport.
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