期刊
ACS APPLIED ELECTRONIC MATERIALS
卷 2, 期 7, 页码 2257-2264出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsaelm.0c00445
关键词
phototransistors; OFETs; organic semiconductors; polymer:fullerene; TRMC
资金
- National Science Foundation [1942558]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1942558] Funding Source: National Science Foundation
Because of their ability to combine detection and processing into a single element, phototransistors have the potential to be a disruptive optical-detection technology. Unfortunately, however, at present the relationship between current and incident optical power density is complicated and poorly understood. In this report, we investigate how the ratio of polymer to fullerene affects the performance of organic phototransistors. We find the surprising result that even a small percentage (1% by weight) of polymer can modify the optical response of organic phototransistors to green light significantly. Polymer:fullerene phototransistors such as those demonstrated in this report have the combined advantages of being highly optically transparent to the excitation wavelength and being unipolar.
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