Journal ArticleDOI
Challenges and recent advances in photodiodes-based organic photodetectors
Junwei Liu,Junwei Liu,Mengyuan Gao,Juhee Kim,Zhihua Zhou,Dae Sung Chung,Hang Yin,Long Ye,Long Ye +8 more
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TLDR
In this article, the authors outline the promising strategies for constructing high-performance and highly stable photodiodes-based OPDs from the perspectives of molecular engineering, morphology control, and device structure design.About:
This article is published in Materials Today.The article was published on 2021-09-11. It has received 55 citations till now.read more
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Ambient‐Stable Near‐Infrared Organic Photodetectors with Ultrahigh Detectivity and Ultrafast Response for Biometric Monitoring
TL;DR: In this article , the effects of the device structure, thickness, deposition process, and solvent on the subsequent performance of organic photodetectors were examined, and an OPD was obtained displaying a dark current density of less than 8.77 × 10−10 A cm−2, a responsivity of greater than 0.516 A W−1, and a high detectivity of 3.1 × 1013 Jones, measured at bias of −2 V (870 nm).
Journal ArticleDOI
Toward Efficient Hybrid Solar Cells Comprising Quantum Dots and Organic Materials: Progress, Strategies, and Perspectives
Junwei Liu,Jingjing Wang,Yang Liu,Kaihu Xian,Kangkang Zhou,Junjiang Wu,Sunsun Li,Wenchao Zhao,Zhi-jin Zhou,Long Ye +9 more
TL;DR: The emerging solution-processing photovoltaic technologies, e.g., quantum dot (QD) and organic solar cells, have witnessed unprecedented progress in the past decade as discussed by the authors .
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Multication Tin‐Lead Perovskite Photodiodes with Engineered Lattice Strain for Ultrasensitive Broadband Photodetection
TL;DR: In this article , the lattice strain contributes substantially to the band edge electronic structure of multication tin-lead alloyed perovskites by tilting the metal halide octahedral configuration.
Journal ArticleDOI
Visible to near-infrared nanocrystalline organic photodetector with ultrafast photoresponse
Wenzhan Xu,Yu Gao,Kun Qian,Bingzhe Wang,Rong Xu,Miao He,Tao Li,Guichuan Xing,Shih-Peng Yang,Guodan Wei +9 more
TL;DR: In this paper , newly developed active layer of D18:Y6 was used to fabricate organic photoelectron conversion devices, prized for their solution process and wide use in portable devices.
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Near Infrared Self‐Powered Organic Photodetectors with a Record Responsivity Enabled by Low Trap Density
Tianhua Liu,Zhenrong Jia,Yu Song,Na Yu,Qijie Lin,Congqi Li,Yixiao Jia,Hao Chen,Song Wang,Yanan Wei,Yuze Lin,Fei Huang,Zheng Tang,Yongfang Li,Lei Meng,Hui Huang +15 more
TL;DR: In this article , the trap density plays critical role in reducing the trap-assisted recombination and density of thermally generated carriers, thus improving the responsivity and reducing the dark current of the device.
References
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Single-Junction Organic Solar Cell with over 15% Efficiency Using Fused-Ring Acceptor with Electron-Deficient Core
Jun Yuan,Yunqiang Zhang,Liuyang Zhou,Liuyang Zhou,Guichuan Zhang,Hin-Lap Yip,Tsz-Ki Lau,Xinhui Lu,Can Zhu,Can Zhu,Hongjian Peng,Paul A. Johnson,Mario Leclerc,Yong Cao,Jacek Ulanski,Yongfang Li,Yingping Zou +16 more
TL;DR: In this paper, a ladder-type electron-deficient core-based central fused ring (Dithienothiophen[3.2-b]- pyrrolobenzothiadiazole) with a benzothiadiadiazoles (BT) core was proposed to fine-tune its absorption and electron affinity.
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Efficiency enhancement in low-bandgap polymer solar cells by processing with alkane dithiols
Jeff Peet,Jin Young Kim,Nelson E. Coates,Wanli Ma,Daniel Moses,Alan J. Heeger,Guillermo C. Bazan +6 more
TL;DR: By incorporating a few volume per cent of alkanedithiols in the solution used to spin-cast films comprising a low-bandgap polymer and a fullerene derivative, the power-conversion efficiency of photovoltaic cells is increased from 2.8% to 5.5% through altering the bulk heterojunction morphology.
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An electron acceptor challenging fullerenes for efficient polymer solar cells.
TL;DR: A novel non-fullerene electron acceptor (ITIC) that overcomes some of the shortcomings of fullerene acceptors, for example, weak absorption in the visible spectral region and limited energy-level variability, is designed and synthesized.
Journal ArticleDOI
A high-mobility electron-transporting polymer for printed transistors
He Yan,Zhihua Chen,Yan Zheng,Chris Newman,Jordan R. Quinn,Florian Dötz,Marcel Kastler,Antonio Facchetti +7 more
TL;DR: A highly soluble and printable n-channel polymer exhibiting unprecedented OTFT characteristics under ambient conditions in combination with Au contacts and various polymeric dielectrics is reported and all-printed polymeric complementary inverters have been demonstrated.
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Organic solar cells based on non-fullerene acceptors.
TL;DR: Non-fullerene OSCs show great tunability in absorption spectra and electron energy levels, providing a wide range of new opportunities, and this Review highlights these opportunities made possible by NF acceptors.