Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Xiaokang Zhou"'
Publikováno v:
Materials Horizons. 5:874-882
Near infrared to visible light organic up-conversion devices have drawn more and more attention for their advantages of low cost, large area, flexible and easy processing. However, the photon-to-photon conversion efficiency is still a challenge for p
Autor:
Xiaokang Zhou, Dongge Ma, Yuning Li, Canglong Wang, Zhi Yuan Wang, Jinfeng Han, Wenqiang Qiao, Liuyong Hu
Publikováno v:
Polymer Chemistry. 9:327-334
A series of n-type semiconducting conjugated polymers based on naphthalene diimide (NDI) having three different side chains, 5-decylpentadecyl, 2-octyldodecyl and 4-(2-octyldodecyloxy)phenyl, were synthesized. Experimental results showed that the sub
Publikováno v:
Polymer. 114:173-179
A series of electron-acceptor polymers, copolymers and blends were used in all-polymer BHJ photodetectors and the effect of acceptor compositions on the key device parameters of dark current density and photocurrent was investigated. Compared with ac
Autor:
Dezhi Yang, Agafonov Vadim, Yukun Wang, Xiaokang Zhou, Saad M. Alshehri, Tansir Ahamad, Dongge Ma
Publikováno v:
Organic Electronics. 42:203-208
CH 3 NH 3 PbI 3 /C 60 heterojunction photodetectors were here fabricated. The peak EQE achieves ∼80% in the visible-light range from 400 to 760 nm. Benefitting from eliminating the leakage current (PEDOT:PSS-free), extremely low dark current densit
Autor:
Yuning Li, Dongge Ma, Zhi Yuan Wang, Wenqiang Qiao, Jinfeng Han, Liuyong Hu, Xiaokang Zhou, Canglong Wang
Publikováno v:
Polymer Chemistry. 8:528-536
A series of random copolymers containing the two electron-withdrawing units naphthalene diimide (NDI) and diketopyrrolopyrrole (DPP) and a thiophene (T) spacer were designed and synthesized as non-fullerene acceptors for all-polymer photodetectors. I
Autor:
Xiaokang Zhou, Yuning Li, Liuyong Hu, Zhi Yuan Wang, Dongge Ma, Wenqiang Qiao, Jinfeng Han, Xiaoqin Zhang
Publikováno v:
Polymer Chemistry. 8:2055-2062
A series of four low-bandgap polymers containing diketopyrrolopyrrole (DPP) and dithienopyrrole (DTP) functionalized with four different side chains of 4-phenyl, 4-octylphenyl, 4-(octyloxy)phenyl and 4-(octylthio)phenyl were synthesized. Subtle chang
Publikováno v:
Advanced Functional Materials. 26:6619-6626
Significant increase of photocurrent upon UV light exposure is demonstrated in a narrow-bandgap polymer-based photodetector using ZnO nanoparticles as anode interfacial layer. The phenomenon is attributed to the UV light illumination induced oxygen m
Autor:
Dezhi Yang, Xiaokang Zhou, Jiangshan Chen, Qingxun Guo, Chuluo Yang, Jiajia Luo, Ling Yu, Zhongbin Wu, Dongge Ma, Xianfeng Qiao
Publikováno v:
Advanced Optical Materials. 4:1067-1074
Autor:
Dezhi Yang, Xiaokang Zhou, Dongge Ma, Agafonov Vadim, Saad M. Alshehri, Tansir Ahamad, Yukun Wang
Publikováno v:
Journal of Materials Chemistry C. 4:7415-7419
In this work, we manufactured high quality perovskite thin films via a vapour-assisted process. The film morphologies are qualified by XRD and SEM images. It can be seen that not only high efficiency solar cells, but also high detectivity photodetect
Autor:
Dongge Ma, Dezhi Yang, Yanping Wang, Agafonov Vadim, Xiaokang Zhou, Saad M. Alshehri, Tansir Ahamad
Publikováno v:
Journal of Materials Chemistry C. 4:2160-2164
We developed organic photodetectors with high photocurrent gain by enhancing the electron tunneling from the electrode owing to the effect of interface charge trapping. Furthermore, we utilized a down-conversion material to enhance the photoresponse