Journal
ORGANIC ELECTRONICS
Volume 14, Issue 12, Pages 3324-3330Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2013.10.001
Keywords
Organic nanofibers; Light-emitting transistors; Electroluminescence; Multicolor
Funding
- Danish Council for Independent Research \ Technology and Production (FTP)
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Self-assembled, molecular crystalline nanofibers form microscale light-emitters for future nanophotonic applications. Such organic nanofibers exhibit many interesting optoelectronic properties, including polarized photo-and electroluminescence, waveguiding, and emission color tunability. Surface-grown nanofibers from two different molecules are implemented in an organic field-effect transistor platform by a double roll-printing scheme. Roll-printing multiple types of nanofibers onto the same device provides a fast and simple alternative to multilayer devices. The combination of nanofibers made from para-hexaphenylene and 5,5'-di-4-biphenyl-2,2'-bithiophene results in a nanofiber based organic light-emitting transistor (OLET) which emits both blue and green light. A comparison of measured electrical transport and electroluminescence (EL) properties results in a correlation between the threshold voltage for transport and the onset voltage for EL emission. (C) 2013 Elsevier B.V. All rights reserved.
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