Hang Song

Mianyang Normal University

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Dianjun Lu

Chinese Academy of Sciences

Xiaoqin Chen

Xiamen University of Technology

Shirong Lu

Taizhou University

Hong Jiang

University of Science and Technology of China

Liming Zhang

Chinese Academy of Sciences

Guoqing Miao

Changchun Institute of Optics, Fine Mechanics and Physics

Yong‐Jie Hu

Drexel University

Shun Yao

Sichuan University

Yang Yang

Zhejiang University

Jianmin Zhou

Institute of Soil Science

Cooperative Institutions

Chinese Academy of Sciences

University of Chinese Academy of Sciences

Changchun Institute of Optics, Fine Mechanics and Physics

Sichuan University

Xiamen University

Jilin University

Collaborative Innovation Center of Chemistry for Energy Materials

Wuhan University

Zhejiang University

Shanghai Jiao Tong University

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Simple thiazole-centered oligothiophene donor enables 15.4% efficiency all small molecule organic solar cells

Journal of Materials Chemistry A (2021)

Tainan Duan Qianqian Chen Qianguang Yang Dingqin Hu Guilong Cai

A simple oligothiophene donor (Tz6T) was developed for organic solar cells. The devices with Tz6T achieved power conversion efficiencies (PCEs) of up to ca. 15.4%, representing one of the crest values achieved by oligothiophene donors.

Thiazole

Organic molecules

10.1039/d1ta09058e

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Citations (43)

Effects of straw incorporation and potassium fertilizer on crop yields, soil organic carbon, and active carbon in the rice–wheat system

Soil and Tillage Research (2021)

Guoyin Yuan Weiwei Huan Hang Song Dianjun Lu Xiaoqin Chen

Soil carbon

Carbon fibers

10.1016/j.still.2021.104958

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Citations (82)

Enhanced Energy Transfer from ZnO Host to Eu<SUP>3+</SUP> by Mg<SUP>2+</SUP> Doping

Science of Advanced Materials (2013)

Ming Gao Jinghai Yang Lili Yang Yongjun Zhang Huilian Liu

Mg2+ and Eu3+ co-doped ZnO (ZMEO) with novel flower-like morphology has been prepared by an environmentally friendly method. The effect of Mg2+ co-doping on the Eu3+ emission has been investigated in detail. It is interestingly noted that the emission of ZMEO demonstrates a blue shift of band edge emission and a dramatic sharp red luminescence originating from intra-4f shell transition of D-5(0)-F-7(2) and D-5(0)-F-7(0) when excited with 325 nm wavelength at room temperature. Further studies show that defect complexes, i.e., oxygen vacancies and surface defects caused by Mg doping, serve as the energy storage centers to mediate the energy transfer from the ZnO host to the Eu3+ ion, which can strongly enhance the Eu3+ emission. This study suggests that impurity engineering is an effective way to enhance the Eu3+ emission intensity, which could prompt future applications of rare-earth doped ZnO nanomaterials in advanced display and lighting application.

10.1166/sam.2013.1464

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Citations (3)

Structure‐Independent Conductance of Thiophene‐Based Single‐Stacking Junctions

Angewandte Chemie International Edition (2019)

Xiaohui Li Qingqing Wu Jie Bai Songjun Hou Wenlin Jiang

Abstract The experimental investigation of intermolecular charge transport in π‐conjugated materials is challenging. Herein, we describe the investigation of charge transport through intermolecular and intramolecular paths in single‐molecule and single‐stacking thiophene junctions by the mechanically controllable break junction (MCBJ) technique. We found that the ability for intermolecular charge transport through different single‐stacking junctions was approximately independent of the molecular structure, which contrasts with the strong length dependence of conductance in single‐molecule junctions with the same building blocks, and the dominant charge‐transport path of molecules with two anchors transited from an intramolecular to an intermolecular path when the degree of conjugation increased. An increase in conjugation further led to higher binding probability owing to the variation in binding energies, as supported by DFT calculations.

10.1002/anie.201913344

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Citations (74)

AlGaN-Based Self-Powered Solar-Blind UV Focal Plane Array Imaging Photosensors: Material Growth, Device Preparation, and Functional Verification

IEEE Sensors Journal (2023)

Yiren Chen Xinye Fan Zhiwei Zhang Guoqing Miao Hong Jiang

This article reports the development of hybrid AlGaN-based self-powered solar-blind ultraviolet (UV) focal plane array (FPA) imaging photosensors from material growth and array preparation to functional verification. The detailed process starts with the epitaxial growth by metal-organic chemical vapor deposition (MOCVD). A high-quality AlN template is obtained on the 2-in double-polished

${c}$

-plane sapphire substrate by introducing a mesothermal AlN (MT-AlN) interlayer and adjusting the growth rate of the high-temperature AlN epilayer (HT-AlN). Then, a polarization-enhanced p-i-n structure photodetector material is grown on the AlN template. Subsequently, based on the p-i-n structural material, a

$320\times256$

back-illuminated solar-blind photodiode array is fabricated and hybridized to a matching Si-based CMOS readout integrated circuit (ROIC) chip to form a focal plane detector. Solar-blind UV detection is observed throughout the array in the 262–281-nm spectral region with a peak external quantum efficiency (EQE) of 65.3% at zero-bias voltage (no antireflection coating) and a nanosecond transient response time at a reverse bias of 5 V. The visible response of the ROIC is eliminated by developing a masking technology that is opaque to visible light, which enables the focal plane detector to achieve a high UV/visible rejection ratio of more than

$10^{{4}}$

Photodiode

10.1109/jsen.2023.3253724

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Citations (6)

Response of wheat grain quality to low temperature during jointing and booting stages—On the importance of considering canopy temperature

Agricultural and Forest Meteorology (2019)

Leilei Liu Hang Song Kejia Shi Bing Liu Yu Zhang

Grain Quality

Wheat grain

Degree (music)

Winter wheat

10.1016/j.agrformet.2019.107658

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Citations (42)

Assembling of a functional cyclodextrin-decorated upconversion luminescence nanoplatform for cysteine-sensing

Chemical Communications (2015)

Jingkai Ni Chong‐Xin Shan Bin Li Liming Zhang Heping Ma

Under 980 nm excitation, cysteine could be detected with high sensitivity based on the FRET process with donor UCNPs and acceptor rhodamine.

Photon Upconversion

Rhodamine

Rhodamine B

10.1039/c5cc04750a

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Citations (34)

Effects of waxy and hulless genes on endosperm quality, yield and its related traits in barley (Hordeum vulgare L.). 3. Effects of waxy and hulless genes on endosperm quality.

Junghyun Nam E. S. Lee J. W. Shim Hang Song

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All‐Green Solvent and Additive Combination Enables Efficient Nonfullerene Organic Solar Cells via Sequential Deposition Strategy

Solar RRL (2023)

Wenqiang Zhang Guangquan Zhang Hang Song Seoyoung Kim Haiyan Chen

The performance of organic solar cells mainly depends on the morphology of the active layer. Traditional solution‐processed active layers have poor performance due to the random distribution of donor and acceptor materials during solution processing. In addition, halogenated solvents and additives widely used in traditional fabrication processes will have a huge impact on human health and the environment. Herein, an all‐green solvent and additive combination strategy is proposed to assist the morphology control of the active layer with sequential deposition (SD) technique. Ultimately, with adopting benzyl viologen (BV) additive as well as ethyl alcohol treatment, PM6:Y6‐2BrO‐based devices yield a power conversion efficiency of 14.3%, higher than those of the control device (13.24%) and the device solely with BV additives (13.62%). The result demonstrates the feasibility of SD technique to finely control the morphology of active layer in future all‐green industrial production.

Active layer

Deposition

Acceptor

10.1002/solr.202201076

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Citations (7)

Factors affecting polyphenol content of Hongda flue-cured tobacco produced in Qujing and their influences on sensory quality of smoking.

Zhongguo nongye ke-ji daobao (2015)

Yujun Wang Zhou Jiheng Qiang Li Peng Kui Hang Song

Curing of tobacco

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