期刊
ORGANIC ELECTRONICS
卷 12, 期 4, 页码 682-685出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2011.01.023
关键词
Ink-jet; Photosensor; PFB:F8BT
资金
- Defense Advanced Research Projects Agency (DARPA) [W81XWH-08-0065]
An all-printed photosensor based on polyfluorene derivatives has been developed for high illuminance range detection (> 100 klux). The active layer is a blend of hole-accepting poly(9,9'-dioctylfluorene-co-bis-N, N'-(4-butylphenyl)-bis-N,N'-phenyl-1,4-phenylenediamine) (PFB) and electron-accepting poly(9,9'-dioctylfluorene-co-benzothiadiazole) (F8BT). A top-absorbing architecture was used with poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) as the transparent electrode. The surface energy of the PEDOT:PSS ink was modified in order to allow printing directly onto the hydrophobic surface of the PFB:F8BT blend layer, placing the transparent electrode at the top of the light sensor structure. The all-printed photosensor shows a linear response over multiple measurements within the illuminance range of (100-400) klux. (C) 2011 Elsevier B.V. All rights reserved.
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