Fei Huang

South China University of Technology

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Yong Cao

Beihang University

Kai Zhang

South China University of Technology

Lei Ying

South China University of Technology

Wenkai Zhong

South China University of Technology

Ning Li

Henan University

Chunhui Duan

South China University of Technology

Baobing Fan

City University of Hong Kong

Hin‐Lap Yip

City University of Hong Kong

Feng Liu

Shanghai Jiao Tong University

Xiaofang Jiang

South China Normal University

Cooperative Institutions

South China University of Technology

239

Chinese Academy of Sciences

116

State Key Laboratory of Luminescent Materials and Devices

University of Chinese Academy of Sciences

Peking University

University of Hong Kong

Zhejiang University

Huazhong University of Science and Technology

Sichuan University

Hong Kong University of Science and Technology

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All-solution processed polymer light-emitting diode displays

Nature Communications (2013)

Hua Zheng Yina Zheng Nanliu Liu Na Ai Qing Wang

Buffer (optical fiber)

10.1038/ncomms2971

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Citations (310)

Dopamine Semiquinone Radical Doped PEDOT:PSS: Enhanced Conductivity, Work Function and Performance in Organic Solar Cells

Advanced Energy Materials (2020)

Miao Zeng Xiaojing Wang Ruijie Ma Weiya Zhu Yuan Li

Abstract Poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) has been is applied as hole transport material in organic electronic devices for more than 20 years. However, the redundant sulfonic acid group of PEDOT:PSS has often been overlooked. Herein, PEDOT:PSS‐DA is prepared via a facile doping of PEDOT:PSS with dopamine hydrochloride (DA·HCl) which reacts with the redundant sulfonic acid of PSS. The PEDOT:PSS‐DA film exhibits enhanced work function and conductivity compared to those of PEDOT:PSS. PEDOT:PSS‐DA‐based devices show a power conversion efficiency of 16.55% which is the highest in organic solar cells (OSCs) with (poly[(2,6‐(4,8‐bis(5‐(2‐ethylhexyl)‐4‐fluorothiophen‐2‐yl)benzo[1,2‐b:4,5‐b′]dithio‐phene))‐ co ‐(1,3‐di(5‐thiophene‐2‐yl)‐5,7‐bis(2‐ethylhexyl)‐benzo[1,2‐c:4,5‐c′]dithiophene‐4,8‐dione))] (PM6):(2,2′‐((2Z,2′Z)‐((12,13‐bis(2‐ethylhexyl)‐3,9‐diundecyl‐12,13‐dihydro‐[1,2,5]thiadiazolo[3,4‐e]thieno[2′′,3′:4′,5′]thieno[2′,3′:4,5]pyrrolo[3,2‐g]thieno[2′,3′:4,5]thieno[3,2‐b]indole‐2,10‐diyl)bis(methanylylidene))bis(5,6‐difluoro‐3‐oxo‐2,3‐dihydro‐1H‐indene‐2,1‐diylidene))dimalononitrile) (Y6) as the active layer. Furthermore, PEDOT:PSS‐DA also exhibits enhanced performance in three other donor/acceptor systems, exhibiting high compatibility in OSCs. This work demonstrates that doping PEDOT:PSS with various amino derivatives is a potentially efficient strategy to enhance the performance of PEDOT:PSS in organic electronic devices.

Acceptor

Sulfonic acid

10.1002/aenm.202000743

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Citations (132)

Asymmetric Alkoxy and Alkyl Substitution on Nonfullerene Acceptors Enabling High‐Performance Organic Solar Cells

Advanced Energy Materials (2020)

Yuzhong Chen Fujin Bai Zhengxing Peng Lei Zhu Jianquan Zhang

Abstract In this paper, a strategy of asymmetric alkyl and alkoxy substitution is applied to state‐of‐the‐art Y‐series nonfullerene acceptors (NFAs), and it achieves great performance in organic solar cell (OSC) devices. Since alkoxy groups can have a significant influence on the material properties of NFAs, alkoxy substitution is applied to the Y6 molecule in a symmetric manner. The resulting molecule (named Y6‐2O), despite showing improved open‐circuit voltage ( V oc ), yields extremely poor performance due to low solubility and excessive aggregation properties, a change that is due to the conformational locking effect of alkoxy groups. In contrast, asymmetric alkyl and alkoxy substitution on Y6, yields a molecule named Y6‐1O that can maintain the positive effect of V oc improvement and obtain reasonably good solubility. The resulting molecule Y6‐1O enables highly efficient nonfullerene OSCs with 17.6% efficiency and the asymmetric side‐chain strategy has the potential to be applied to other NFA‐material systems to further improve their performance.

Substitution (logic)

10.1002/aenm.202003141

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Citations (176)

Dual Interfacial Modifications Enable High Performance Semitransparent Perovskite Solar Cells with Large Open Circuit Voltage and Fill Factor

Advanced Energy Materials (2016)

Qifan Xue Yang Bai Meiyue Liu Ruoxi Xia Zhicheng Hu

In this work, both anode and cathode interfaces of p‐i‐n CH 3 NH 3 PbI 3 perovskite solar cells (PVSCs) are simultaneously modified to achieve large open‐circuit voltage (V oc ) and fill factor (FF) for high performance semitransparent PVSCs (ST‐PVSCs). At the anode, modified NiO serves as an efficient hole transport layer with appropriate surface property to promote the formation of smooth perovskite film with high coverage. At the cathode, a fullerene bisadduct, C 60 (CH 2 )(Ind), with a shallow lowest unoccupied molecular orbital level, is introduced to replace the commonly used phenyl‐C 61 ‐butyric acid methyl ester (PCBM) as an alternative electron transport layer in PVSCs for better energy level matching with the conduction band of the perovskite layer. Therefore, the V oc , FF and power conversion efficiency (PCE) of the PVSCs increase from 1.05 V, 0.74 and 16.2% to 1.13 V, 0.80 and 18.1% when the PCBM is replaced by C 60 (CH 2 )(Ind). With the advantages of high V oc and FF, ST‐PVSCs are also fabricated using an ultrathin transparent Ag as cathode, showing an encouraging PCEs of 12.6% with corresponding average visible transmittance (AVT) over 20%. These are the highest PCEs reported for ST‐PVSCs with similar AVTs paving the way for using ST‐PVSCs as power generating windows.

Open-circuit voltage

Non-blocking I/O

10.1002/aenm.201602333

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Citations (229)

Optimizing Microstructure Morphology and Reducing Electronic Losses in 1 cm² Polymer Solar Cells to Achieve Efficiency over 15%

ACS Energy Letters (2019)

Baobing Fan Zhaomiyi Zeng Wenkai Zhong Lei Ying Difei Zhang

The successful demonstration of high-performance organic solar cells (OSCs) on a relatively large area is vital for their industrial viability and future application. When the device area is enlarged from several mm2 to the scale of >1 cm2, critical losses caused by film inhomogeneity or defects in the photoactive layer strongly restrict the performance and reproducibility of OSCs. In this work, we demonstrate that through delicate optimization of a photoactive layer and minimization of optoelectronic losses, an impressive external quantum efficiency maximum up to 88% and an internal quantum efficiency peak of 97% are achieved for nonfullerene OSCs. Further incorporating fullerene as the third component into the photoactive layer optimizes the microstructure morphology, enabling large-scale devices with an area of >1.1 cm2, surpassing the 15% efficiency milestone. The exciting results demonstrated in this work highlight the strategic priority to minimize losses through both materials and electronic engineering toward high-performance large-area OSCs.

Quantum Efficiency

Photoactive layer

Active layer

10.1021/acsenergylett.9b01447

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Citations (65)

Polymer Solar Cells: Crosslinkable Amino-Functionalized Conjugated Polymer as Cathode Interlayer for Efficient Inverted Polymer Solar Cells (Adv. Energy Mater. 11/2016)

Advanced Energy Materials (2016)

Jing Wang Kai Lin Kai Zhang Xiaofang Jiang Khalid Mahmood

A novel crosslinkable amino-functionalized conjugated polymer PFN-V is used as the cathode interlayer for high performance polymer solar cells, as reported by Lei Ying, Fei Huang, and co-workers in article number 1502563. The film can be rapidly crosslinked by UV-curing within 5 s in a nearly quantitative yield based on "thiol-ene" click reaction. This time- and labor-saving strategy may have practical applications in high throughput industrial production.

10.1002/aenm.201670065

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Citations (8)

Highly efficient photocatalytic hydrogen evolution from water-soluble conjugated polyelectrolytes

Nano Energy (2019)

Zhicheng Hu Xi Zhang Qingwu Yin Xiaocheng Liu Xiaofang Jiang

Cationic polymerization

10.1016/j.nanoen.2019.04.027

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Citations (91)

An asymmetric polymerized small molecular acceptor with temperature-dependent aggregation and superior batch-to-batch reproducibility for efficient all-polymer solar cells

Nano Energy (2024)

Baoqi Wu Youle Li Kangzhe Liu Seoyoung Kim Xiyue Yuan

Acceptor

10.1016/j.nanoen.2024.109874

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Citations (2)

DMO processing on the Ketzin 3D seismic data

European geosciences union general assembly (2014)

Fei Huang Juhlin Christopher Monika Ivandic Fengjiao Zhang

The Dip-moveout (DMO) correction is a process which attempts to make the finite offset data closer to zero offset data after the normal-moveout (NMO) correction. The NMO correction is then dip inde ...

Data Processing

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Enhancing hole injection by processing ITO through MoO3 and self-assembled monolayer hybrid modification for solution-processed hole transport layer-free OLEDs

Chemical Engineering Journal (2021)

Fei Huang Hongli Liu Xianggao Li Shirong Wang

Indium tin oxide

Quantum Efficiency

Solution process

Molybdenum trioxide

10.1016/j.cej.2021.131356

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Citations (18)