Temperature Tunable Self-Doping in Stable Diradicaloid Thin-Film Devices.

Zhang, Yuan; Zheng, Yonghao; Zhou, Huiqiong; Miao, Mao-Sheng; Wudl, Fred; Nguyen, Thuc-Quyen · Adv Mater · 2015

basic_science · Level V

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Abstract

FDT and FDT-Br diradicaloids with stable coexisting close-shell and open-shell forms exhibit unconventional self-doping behavior in solid-state electronic devices that is temperature (T) tunable and reversible. The doping is strengthened by the increased T, leading to the absence of off-states (I(off)) in the transistors.