Journal
ORGANIC ELECTRONICS
Volume 13, Issue 12, Pages 3177-3182Publisher
ELSEVIER
DOI: 10.1016/j.orgel.2012.09.013
Keywords
Blade coating; Colloidal lithography; Vertical channel; Polymer transistor
Funding
- National Science Council of Taiwan [100-2628-M-009-002]
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In this work, we proposed a fast and controllable blade coating process to form non-close-packed nanosphere structures. We investigated the key to obtain well-distributed non-close-packed PS spheres with blade coating. We utilized the blade-coated nanosphere structure to realize colloidal lithography and fabricate a vertical channel polymer transistor, the space-charge-limited transistor (SCLT). We demonstrated that SCLT utilizing blade-coated nanospheres delivered 13.9 mA/cm(2) at 1.8 V with an on/off current ratio as 45,000. The process of blade-coating nanospheres may facilitate the commercialization of low-cost colloidal lithography. (C) 2012 Elsevier B.V. All rights reserved.
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