Realizing photomultiplication-type organic photodetectors based on C<sub>60</sub>-doped bulk heterojunction structure at low bias<xref rid="cpb_28_3_038501fn1" ref-type="fn">*</xref><fn id="cpb_28_3_038501fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant No. 61106043), the Natural Science Foundation of Shaanxi Province, China (Grant No. 2015JM6267), and Program of Xi’an University of Technology, China (Grant No. 103-4515013).</p></fn>

Realizing photomultiplication-type organic photodetectors based on C₆₀-doped bulk heterojunction structure at low bias**

Project supported by the National Natural Science Foundation of China (Grant No. 61106043), the Natural Science Foundation of Shaanxi Province, China (Grant No. 2015JM6267), and Program of Xi’an University of Technology, China (Grant No. 103-4515013).

Gong Wei, An Tao^†, Liu Xinying, Lu Gang

(a) PL spectra of P3HT, P3HT:C₆₀ (6:0.2 wt/wt), P3HT:PC₆₁BM, and P3HT:PC₆₁BM:C₆₀ (6:6:0.2 wt/wt/wt) films. (b) C–V curves and (c) M–S plots of P3HT:PC₆₁BM and P3HT:PC₆₁BM:1.6 wt.% C₆₀ devices in darkness and under 460 nm (5.54 mW·cm⁻²) illumination, respectively.