Journal
ADVANCED ELECTRONIC MATERIALS
Volume 6, Issue 1, Pages -Publisher
WILEY
DOI: 10.1002/aelm.201900929
Keywords
conjugated polymers; fluorescence; sensors; stretchable electronics
Funding
- U.S. Army Research Office [W911NF-18-2-0202]
- Department of Energy (DOE), Office of Science, Basic Energy Science (BES) [DE-SC0010307]
- start-up at Temple University
- National Science Foundation (NSF) [CMMI-1727792]
- U.S. Department of Energy (DOE) [DE-SC0010307] Funding Source: U.S. Department of Energy (DOE)
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pi-Conjugated polymers have drawn broad interest in flexible electronics due to their solution processability, light weight, and a combination of conducting and light-emitting properties. However, achieving mechanical endurance and stretchability in freestanding conjugated polymers is still difficult. Surface-assembly-induced light-emitting polymer nanosheets with prodigious mechanical strength and charge transport are reported. Transferring freestanding polymer films onto various templates with conformal contact results in electrical and optical strain sensors with a gauge factor of approximate to 29. Subsequent geometric engineering into kirigami structures of the polymer sheets further extends the strain accommodations 20-fold without compromising electric conductivity or fluorescence properties. These as-prepared semiconducting polymers represent a possible new material for emerging stretchable electronics.
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