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ACS Nano. 2013 Mar 26;7(3):2344-51. doi: 10.1021/nn305566u. Epub 2013 Mar 5.

Ordered polymer nanofibers enhance output brightness in bilayer light-emitting field-effect transistors.

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Center for Polymers and Organic Solids, University of California, Santa Barbara, United States.


Polymer light emitting field effect transistors are a class of light emitting devices that reveal interesting device physics. Device performance can be directly correlated to the most fundamental polymer science. Control over surface properties of the transistor dielectric can dramatically change the polymer morphology, introducing ordered phase. Electronic properties such as carrier mobility and injection efficiency on the interface can be promoted by ordered nanofibers in the polymer. Moreover, by controlling space charge in the polymer interface, the recombination zone can be spatially extended and thereby enhance the optical output.


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