Yang Gao

Changsha University of Science and Technology

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Lean Zhou

Changsha University of Science and Technology

Wenjing Xue

Yangzhou University

Shiquan Sun

Changsha University of Science and Technology

Siqi Wen

Yangzhou University

Wei Zhang

Affiliated Hospital of Southwest Medical University

Yiqun Xu

Yangzhou University

Xiaoyu Shi

Chinese Academy of Sciences

Jiaming Guo

Changchun University of Technology

Rongzhong Wang

University of South China

Junli Wan

Changsha University of Science and Technology

Cooperative Institutions

Chinese Academy of Sciences

Changsha University of Science and Technology

University of Chinese Academy of Sciences

Yangzhou University

Hunan Research Academy of Environmental Sciences

University of Science and Technology of China

Central South University

Sun Yat-sen University

Northwest Institute of Eco-Environment and Resources

Hunan University

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Large-area synthesis of high-quality and uniform monolayer WS2 on reusable Au foils

Nature Communications (2015)

Yang Gao Zhibo Liu Dongming Sun Le Huang Lai‐Peng Ma

Abstract Large-area monolayer WS 2 is a desirable material for applications in next-generation electronics and optoelectronics. However, the chemical vapour deposition (CVD) with rigid and inert substrates for large-area sample growth suffers from a non-uniform number of layers, small domain size and many defects, and is not compatible with the fabrication process of flexible devices. Here we report the self-limited catalytic surface growth of uniform monolayer WS 2 single crystals of millimetre size and large-area films by ambient-pressure CVD on Au. The weak interaction between the WS 2 and Au enables the intact transfer of the monolayers to arbitrary substrates using the electrochemical bubbling method without sacrificing Au. The WS 2 shows high crystal quality and optical and electrical properties comparable or superior to mechanically exfoliated samples. We also demonstrate the roll-to-roll/bubbling production of large-area flexible films of uniform monolayer, double-layer WS 2 and WS 2 /graphene heterostructures, and batch fabrication of large-area flexible monolayer WS 2 film transistor arrays.

Inert

10.1038/ncomms9569

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Citations (383)

Deactivation mechanism and anti-deactivation modification of Ru/TiO2 catalysts for CH3Br oxidation

Chemosphere (2020)

Lirong Lv Sheng Wang Ya Ding Lei Zhang Yang Gao

10.1016/j.chemosphere.2020.127249

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Citations (10)

Aerodynamic Properties and Shelter Effects of a Concrete Plate-Insert Sand Fence Along the Lanzhou-Xinjiang High-Speed Railway in Gobi Regions Under Strong Winds

Frontiers in Environmental Science (2022)

Tao Wang Jianjun Qu Qinghe Niu Zhishan An Yang Gao

The Lanzhou-Xinjiang High-Speed Railway runs through high-wind areas in the Gobi Desert, and disasters arising from the effects of blown sand critically endanger the safety of railway operations. To prevent sand deposition on the rail bed, double rows of sand fences composed of concrete columns and plates are installed on the windward side of the railway line. However, the aerodynamic properties and sheltering effects of these fences remain unclear. In this study, the effects of sand fences on boundary wind patterns and sand transport were investigated in the field and in a wind tunnel. The following results were obtained: 1) The wind velocity was efficiently reduced on the leeward side of the first and second rows of fences by 78% and 87%, respectively. Nevertheless, owing to large openings in the fence, the sand-trapping efficiencies of the first and second rows of fences on the leeward sides were only 72 and 63%, respectively. 2) The effective shelter distance ( D s ) of the fence is 10 times the height of the fence; however, the horizontal distance between the two rows of fences is much larger than the D s of the fence. This allows the wind velocity between the fences to rise above the saltation threshold once again, thereby reducing the overall sheltering effects of the double-row of fences. This study will produce a theoretical reference for improving the design and installation of blown-sand control systems in the strong-wind regions of the Gobi.

Fence (mathematics)

10.3389/fenvs.2022.861063

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Citations (4)

Fabrication of g-C3N4@Bi2MoO6@AgI floating sponge for photocatalytic inactivation of Microcystis aeruginosa under visible light

Environmental Research (2022)

Shiquan Sun Qingxin Tang Taiping Yu Yang Gao Wei Zhang

Microcystis aeruginosa

Visible spectrum

10.1016/j.envres.2022.114216

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Citations (24)

Uncovering the electrooxidation behavior of 5-hydroxymethylfurfural on Ni/Co electrodes

Journal of Energy Chemistry (2024)

Shilin Fan Bin Zhu Yu Xiao Yang Gao Weiping Xie

10.1016/j.jechem.2024.01.023

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Citations (11)

Immobilization of cadmium in river sediments by different modified nanoscale zero-valent iron: performance, mechanisms, and Fe dissolution

Environmental Science and Pollution Research (2023)

Wenjing Xue Hongdou Liu Jun Li Xinyu Chen Siqi Wen

Zerovalent iron

10.1007/s11356-023-30475-y

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Citations (6)

The impact of climate change on wind power abundance and variability in China

Energy (2019)

Yang Gao Shaoxiu Ma Tao Wang

10.1016/j.energy.2019.116215

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Citations (59)

Effect of CO ₂ atmosphere on biomass pyrolysis and in‐line catalytic reforming

International Journal of Energy Research (2020)

Jiandong Ye Jun Xiao Xiaodong Huo Yang Gao Jingwen Hao

To enhance the conversion efficiency of biomass CO2 gasification and decrease tar, the experimental study of biomass pyrolysis and in-line catalytic CO2 reforming (BPy-ILCCR) were investigated in a two-stage reactor. The prepared K-Ni/Al catalyst exhibits superior catalytic activity for gas products in BPy-ILCCR. Results show that both CO2 concentration and temperature promote the rise of the gas production, but the increase slows down when CO2 concentration is more than 40 vol%. At 700°C, the gas yield and Xc can reach 0.83 g/g-bio and 92.4%, respectively (40 vol% CO2, 3 g catalyst). The comparative study indicates that steam is slightly better for reducing liquid product under the same concentration of CO2 and H2O, and the Xc at 80 vol% CO2 can reach 93.9%, close to the value obtained at 40 vol% H2O. Moreover, there exist similar quantities of coke deposition on the catalyst under the CO2 and H2O atmosphere.

Line (geometry)

10.1002/er.5602

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Citations (7)

Enhanced Li-ion battery performance based on multisite oxygen vacancies in WO3-x@rGO negative electrode

Chemical Engineering Journal (2024)

Zihao Li Xijia Yang Yue Yang Xuesong Li Yang Gao

10.1016/j.cej.2024.155383

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Citations (6)

Activation of persulfate by biochar-supported sulfidized nanoscale zero-valent iron for degradation of ciprofloxacin in aqueous solution: process optimization and degradation pathway

Environmental Science and Pollution Research (2024)