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Solution-processable fullerene derivatives for organic photovoltaics and n-type thin-film transistors
- Issue Date
- Mar-2011
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Organic photovoltaics; Organic thin-film transistors; Fullerene derivatives; Solution-processing
- Citation
- CURRENT APPLIED PHYSICS, v.11, no.2, pp.E44 - E48
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- CURRENT APPLIED PHYSICS
- Volume
- 11
- Number
- 2
- Start Page
- E44
- End Page
- E48
- ISSN
- 1567-1739
- Abstract
- Two solution-processable fullerene derivatives (C60TH-Hx and C60TH-Hx-a) were successfully synthesized for organic photovoltaics and n-type thin-film transistors. The best power conversion efficiency (PCE) was observed in a layered structure of P3HT:C60TH-Hx (PCE = 2.44%), which slightly exceeded that of P3HT:PCBM (PCE = 2.39%). We found a very low PCE for P3HT:C60TH-Hx-a (similar to 0.14%) due to the poor solubility of C60TH-Hx-a. In addition, n-type thin-film transistors were fabricated by solution-processing techniques. The measured values of electron mobility in the devices for PCBM, C60TH-Hx, and C60TH-Hx-a were 5.8 x 10(-3), 2.5 x 10(-2), and 8.5 x 10(-4) cm(2) V-1 s(-1), respectively.
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Related Researcher
- Park, Jea Gun
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)