Yuping Che

Beihang University

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Jin Zhai

Beihang University

Kefeng Wang

Shangqiu Normal University

Huaiqiu Chang

National Center for Nanoscience and Technology

Zhaoyue Liu

Beihang University

Bingxin Lu

Beihang University

Zhongpei Li

University of Chinese Academy of Sciences

Chunyu Jiang

Northeast Agricultural University

Tingting You

Beijing Forestry University

Huaxiang Chen

China University of Petroleum, Beijing

Hao RuiJun

Shanghai Institute of Landscape Gardening

Cooperative Institutions

Beihang University

Chinese Academy of Sciences

Peking University

Beijing National Laboratory for Molecular Sciences

University of Chinese Academy of Sciences

Zhengzhou University

Institute of Chemistry

Beijing Advanced Sciences and Innovation Center

Northeast Agricultural University

Nanjing Agricultural University

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Multispectral Plasmon of Anisotropic Core-shell Gold Nanorods@SiO2: Dual-band Absorption Enhancement with Coupling Dye Molecules

Chemical Research in Chinese Universities (2018)

Yuping Che Yang Wang Tingting You Huaiqiu Chang Penggang Yin

Nanorod

Multi-band device

10.1007/s40242-018-8120-3

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水性条件におけるCr(VI)の微生物還元に及ぼすフミン酸の影響

Turang (2015)

Zhongpei Li Xu Lina Yuping Che

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水田土の水溶性有機炭素含有量と有機炭素無機化に対する凍結融解の影響【JST・京大機械翻訳】

Turang Tongbao (2007)

Hao RuiJun LI Zhongpei Yuping Che

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Bio-inspired Z-scheme g-C3N4/Ag2CrO4 for efficient visible-light photocatalytic hydrogen generation

Scientific Reports (2018)

Yuping Che Bingxin Lu Qi Qi Huaiqiu Chang Jin Zhai

Due to low charge separation efficiency and poor stability, it is usually difficult for single-component photocatalysts such as graphitic carbon nitride (g-C3N4) and silver chromate (Ag2CrO4) to fulfill photocatalytic hydrogen production efficiently. Z-scheme charge transport mechanism that mimics the photosynthesis in nature is an effective way to solve the above problems. Inspired by photosynthesis, we report Ag2CrO4 nanoparticles-decorated g-C3N4 nanosheet as an efficient photocatalyst for hydrogen evolution reaction (HER) with methanol as sacrificial agent. The formation of Z-scheme g-C3N4/Ag2CrO4 nanosheets photocatalysts could inhibit the recombination of photogenerated electron-hole pairs, promote the generation of hydrogen by photosplitting of water. The experiment results indicate that g-C3N4/Ag2CrO4 nanocomposites present enhanced photocatalytic activity and stability in the H2 evolution of water splitting. And the nanocomposites g-C3N4/Ag2CrO4(23.1%) show the 14 times HER efficiency compared to that of bare g-C3N4.

Graphitic carbon nitride

Nanosheet

Charge carrier

Visible spectrum

10.1038/s41598-018-34287-w

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亜熱帯中国の水田赤色土壌における有機物質由来炭素の土壌水分レジームデコンポジションの有機材料と分布【Powered by NICT】

Turang Xuebao (2014)

Chunyu Jiang Zhongpei Li Cui Meng Yuping Che

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Plasmonic ternary hybrid photocatalyst based on polymeric g-C3N4 towards visible light hydrogen generation

Scientific Reports (2020)

Yuping Che Qingqing Liu Bingxin Lu Jin Zhai Kefeng Wang

Abstract Surface plasmon resonance (SPR) effect of noble metal nanoparticles (NPs) for photocatalysis has a significant enhancement. In this system, a plasmonic ternary hybrid photocatalyst of Ag/AgBr/g-C 3 N 4 was synthetized and used in water splitting to generation H 2 under visible light irradiation. 18%Ag/AgBr/g-C 3 N 4 showed the highest photoactivity, with the efficiency of hydrogen generation as high as 27-fold to that of pristine g-C 3 N 4 . Compared to simple mixture of Ag/AgBr and g-C 3 N 4 , hetero-composite Ag/AgBr/g-C 3 N 4 showed a higher photoactivity, even though they contained same content of Ag/AgBr. We find that significant factors for enhancing properties were the synergistic effect between Ag/AgBr and g-C 3 N 4 , and the light absorption enhancing by SPR effect of Ag NPs. Ag/AgBr NPs firmly anchored on the surface of g-C 3 N 4 and their high dispersion were also responsible for the improved activity and long-term recycling ability. The structure of Ag/AgBr/g-C 3 N 4 hybrid materials and their enhancement to photocatalytic activity were discussed. Meanwhile, the possible reaction mechanism of this system was proposed.

Visible spectrum

Noble metal

10.1038/s41598-020-57493-x

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Citations (70)

Enhancement of the Efficiency of g-C₃N₄ for Hydrogen Evolution by Bifunctionality of RuSe₂

ACS Applied Energy Materials (2022)

Yuping Che Bingxin Lu Huaxiang Chen Jin Zhai Kefeng Wang

Adding a cocatalyst to a semiconductor catalyst is often considered an effective measure to increase the efficiency of the photocatalytic hydrogen evolution reaction. Nowadays, noble metals are the state-of-the-art cocatalysts for the hydrogen evolution reaction. Due to their high cost and scarcity, it is imperative to develop cocatalysts prepared from cheap and abundant elements. Here, RuSe2 was used as an effective substitute for precious metal promoters such as Pt to enhance the efficiency of g-C3N4 for the hydrogen evolution reaction. A high efficiency of 13417.3 μmol·g–1·h–1 was obtained. It was 214 times higher than that of g-C3N4 and 2.8 times higher than that of 3%Pt/g-C3N4. Density functional theory calculations were performed. The (210) and (200) crystal faces of RuSe2 showed lower ΔGH* than Pt(111), indicating higher hydrogen evolution efficiency. Compared with the Pt cocatalyst, metallic RuSe2 cocatalysts exhibited superior performance. Meanwhile, the electrocatalytic activity was also investigated in an alkaline medium. It showed a decent electrocatalytic activity and high stability. These findings might provide a prototype to develop cheap and efficient cocatalysts for large-scale water splitting.

Noble metal

10.1021/acsaem.2c00474

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Speciality——the Historic Lack of New Basic Education Curricula Idea and Transcending

Yuping Che

China is still on the way of modernization of which the essence is sepciality in the teaching activities.As the original model and plan,undoubtedly the speciality should be put on the first position.Yet the new basic education curricula show the curbstone and the unspecialized which cause the historic lack of new basic education curricula.However,the best way of solving this problem lies in the original idea and transcend it.

Basic education

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