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202 results on '"Wang, Shuanglong"'

29. Towards all-solution-processed top-illuminated flexible organic solar cells using ultrathin Ag-modified graphite-coated poly(ethylene terephthalate) substrates

Author

Wang Shuanglong, Zhao Yi, Lian Hong, Peng Cuiyun, Yang Xuyong, Gao Yulai, Peng Yan, Lan Weixia, Elmi Omar Ibrahim, Stiévenard Didier, Wei Bin, Zhu Furong, and Xu Tao

Subjects
Ag-modified graphite, flexible organic solar cells, top-illuminated, all-solution-processed, Physics, QC1-999
Abstract

All-solution-processed flexible organic solar cells (FOSCs) with high power conversion efficiency (PCE) are the prerequisite for application in low-cost, large-area, flexible, photovoltaic devices. In this work, high-performance, top-illuminated FOSCs using ultrathin Ag-modified graphite-coated poly(ethylene terephthalate) (PET) substrates are demonstrated. The ultrathin Ag-modified graphite/PET substrates have excellent electric conductivity, mechanical flexibility, and easy processability for FOSCs. A PCE of 5.31% for FOSCs, based on the blend system poly[4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo [1,2-b:4,5-b′]dith-iophene-co-3-fluorothieno[3,4-b]thiophene-2-carboxylate]: [6,6]-phenyl-C7l-but-yric acid methyl ester, having a bilayer of MoOx/Ag upper transparent anode is demonstrated. Top-illuminated FOSCs with a transparent upper electrode of solution-processed Ag nanowires also yielded a PCE of 3.76%. All-solution-processed FOSCs exhibit excellent mechanical flexibility and retain >81% of the initial efficiency after 500 cycles of bending test. Furthermore, graphite-based electrodes demonstrate good heat-insulation properties. The outcomes of this work offer an alternative to fabricate high-performance, all-solution-processable, top-illuminated FOSCs, providing a commercially viable approach for application in large-area solar cells that can be prepared by printing and roll-to-roll fabrication processes.

Published
2019
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32. Spontaneously Generated Electrons for CO2 Hydrogenation to Formate at the Microinterface of Air‐Water.

Author

Wang, Shuanglong, Shan, Shan, Xiao, Shan, Liu, Feng, Yang, Zequn, Li, Shuibin, Qiu, Zidong, Dong, Xiaofeng, Cheng, Yuanyuan, and Zhang, Xinglei

Subjects
*ATMOSPHERIC carbon dioxide, *CARBON sequestration, *HYDROGENATION, *MICRODROPLETS, *COPPER
Abstract

The periphery of the microdroplets exhibits unusual physical properties that are not observed in bulk solutions. This work demonstrates in water microdroplets OH− can spontaneously donate electrons for CO2 hydrogenation to formic acid (FA), which may be driven by a strong electric field at or near the interfaces of water microdroplets. Surprisingly, Cu ions in microdroplets contribute to a 4000 times increase in output of FA. Control experiments show that in water microdroplets, electrons can be deposited by valence alternation of Cu to form Cu speciation, which can promote formate conversion. The authors show for the first time, without using any additives, under ambient conditions water microdroplets can capture CO2 and reduce CO2 to formate, which implies that water microdroplets may have provided a reactor for abiotic reduction reactions in the prebiotic era, thereby synthesizing organic molecules from atmospheric CO2 with a nonenzymatic production power before the advent of biotic reducing types of machinery. [ABSTRACT FROM AUTHOR]

Published
2023
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33. Modification of Two‐Dimensional Tin‐Based Perovskites by Pentanoic Acid for Improved Performance of Field‐Effect Transistors

Author

Wang, Shuanglong, primary, Bidinakis, Konstantinos, additional, Haese, Constantin, additional, Hasenburg, Franziska H., additional, Yildiz, Okan, additional, Ling, Zhitian, additional, Frisch, Sabine, additional, Kivala, Milan, additional, Graf, Robert, additional, Blom, Paul W. M., additional, Weber, Stefan A. L., additional, Pisula, Wojciech, additional, and Marszalek, Tomasz, additional

Published
2023
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39. Grain Engineering for Improved Charge Carrier Transport in Two-Dimensional Lead-Free Perovskite Field-Effect Transistors

Author

Wang, Shuanglong, primary, Marszalek, Tomasz, additional, Zhang, Heng, additional, Yildiz, Okan, additional, Mandal, Mukunda, additional, Ugur, Naz, additional, Jeong, Beomjin, additional, Frisch, Sabine, additional, Andrienko, Denis, additional, Wang, Hai, additional, Bonn, Mischa, additional, Blom, Paul, additional, Kivala, Milan, additional, Pisula, Wojciech, additional, and Ramanan, Charusheela, additional

Published
2022
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