期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 1, 期 25, 页码 3985-3988出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3tc30442f
关键词
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资金
- EU Large Project ONE-P [FP7-NMP-2007-212311]
- ERC [StG 2012-306826]
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN)
- DGI (Spain)
- Generalitat de Catalunya [2009SGR516]
- Swiss National Science Foundation [200020-130266/1]
- ESF Project GOSPEL [09-Euro-GRAPHENE-FP-001]
- project POMAS [CTQ2010-19501/BQU]
- Slovenian Research Agency [P1-0055]
A pi-conjugated tetrathiafulvalene-fused perylenediimide (TTF-PDI) molecular dyad is successfully used as a solution-processed active material for light sensitive ambipolar field-effect transistors with balanced hole and electron mobilities. The photo-response of the TTF-PDI dyad resembles its absorption profile. Wavelength-dependent photoconductivity measurements reveal an important photo-response at an energy corresponding to a PDI-localized electronic pi-pi* transition and also a more moderate effect due to an intramolecular charge transfer from the HOMO localized on the TTF unit to the LUMO localized on the PDI moiety. This work clearly elucidates the interplay between intra- and intermolecular electronic processes in organic devices.
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