The surface energy-dictated initial growth of a pentacene film on a polymeric adhesion layer for field-effect transistors

Title
The surface energy-dictated initial growth of a pentacene film on a polymeric adhesion layer for field-effect transistors
Author(s)
곽진석박재훈[박재훈]배진혁[배진혁]김원호[김원호]이신두[이신두]김동욱[김동욱]노정철[노정철]최종선[최종선]
Keywords
GATE INSULATOR; THIN-FILMS; MORPHOLOGY; MOBILITY; ORIENTATION; PERFORMANCE; DIELECTRICS
Issue Date
201008
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
SOLID-STATE ELECTRONICS, v.54, no.12, pp.1650 - 1656
Abstract
We describe how the surface energy of a polymeric adhesion layer affects the initial growth of a pentacene film for field-effect transistors (FETs) Three types of adhesion layers having different surface energies and morphologies were produced with varying the composition ratio of two different polyimides For the pentacene film of 04 nm thick the monolayer coverage of pentacene grams increases from 263% to 649% with increasing the surface energy of the underlying adhesion layer from 129 to 258 mJ/m(2) The surface energy of the adhesion layer is found to play a more dominant role on the initial growth of a pentacene film than the surface roughness The field-effect mobility in the pentacene FET depends strongly on the monolayer growth of pentacene grains (C) 2010 Elsevier Ltd All rights reserved
URI
http://hdl.handle.net/YU.REPOSITORY/23872http://dx.doi.org/10.1016/j.sse.2010.08.004
ISSN
0038-1101
Appears in Collections:
이과대학 > 물리학과 > Articles
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