supported by the National Natural Science Foundation of China(Grant No.61106043);the Natural Science Foundation of Shaanxi Province,China(Grant No.2015JM6267);Program of Xi’an University of Technology,China(Grant No.103-4515013)
Photomultiplication(PM) structure has been widely employed to improve the optoelectronic performance of organic photodetectors(OPDs). However, most PM-type OPDs require a high negative operating voltage or complex fab...