Journal article
Impact of the synthesis method on the solid-state charge transport of radical polymers
Journal of materials chemistry. C, Materials for optical and electronic devices, Vol.6(1), pp.111-118
2018
DOI: 10.1039/C7TC04645F
PMCID: PMC5800793
PMID: 29430302
Abstract
There are conflicting reports in the literature about the presence of room temperature conductivity in poly(2,2,6,6-tetramethylpiperidinyloxy methacrylate) (PTMA), a redox active polymer with radical groups pendent to an insulating backbone. To understand the variability in the findings across the literature and synthetic methods, we prepared PTMA using three living methods – anionic, ATRP and RAFT polymerization. We find that all three synthetic methods produce PTMA with radical yields of 70–80%, controlled molecular weight, and low dispersity. Additionally, we used on-chip EPR to probe the robustness of radical content in solid films under ambient air and light, and found negligible change in the radical content over time. Electrically, we found that PTMA is highly insulating – conductivity in the range 10−11 S cm−1 – regardless of the synthetic method of preparation. These findings provide greater clarity for potential applications of PTMA in energy storage.
Details
- Title: Subtitle
- Impact of the synthesis method on the solid-state charge transport of radical polymers
- Creators
- Yiren Zhang - Cornell UniversityAlbert Park - Cornell UniversityAlicia Cintora - Cornell UniversityStephen R McMillan - University of IowaNicholas J Harmon - University of IowaAustin Moehle - Cornell UniversityMichael E Flatté - University of IowaGregory D Fuchs - Cornell UniversityChristopher K Ober - Cornell University
- Resource Type
- Journal article
- Publication Details
- Journal of materials chemistry. C, Materials for optical and electronic devices, Vol.6(1), pp.111-118
- DOI
- 10.1039/C7TC04645F
- PMID
- 29430302
- PMCID
- PMC5800793
- NLM abbreviation
- J Mater Chem C Mater
- ISSN
- 2050-7526
- eISSN
- 2050-7534
- Grant note
- DOI: 10.13039/100000082, name: Division of Graduate Education, award: DGE-1650441; DOI: 10.13039/100006151, name: Basic Energy Sciences, award: DE-SC0014336; DOI: 10.13039/100000057, name: National Institute of General Medical Sciences, award: P41GM103521; DOI: 10.13039/100000078, name: Division of Materials Research, award: DMR-1719875; DOI: 10.13039/100000084, name: Directorate for Engineering, award: ECCS-1542081
- Language
- English
- Date published
- 2018
- Academic Unit
- Electrical and Computer Engineering; Physics and Astronomy
- Record Identifier
- 9984199829502771
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