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Tuning reactivity of Fischer–Tropsch synthesis by regulating TiOx overlayer over Ru/TiO2 nanocatalysts

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  • Yaru Zhang

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Xiaoli Yang

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Norwegian University of Science and Technology)

  • Xiaofeng Yang

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences)

  • Hongmin Duan

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences)

  • Haifeng Qi

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Yang Su

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences)

  • Binglian Liang

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences)

  • Huabing Tao

    (Nanyang Technological University Singapore)

  • Bin Liu

    (Nanyang Technological University Singapore)

  • De Chen

    (Norwegian University of Science and Technology)

  • Xiong Su

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences)

  • Yanqiang Huang

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences)

  • Tao Zhang

    (State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences)

Abstract

The activity of Fischer–Tropsch synthesis (FTS) on metal-based nanocatalysts can be greatly promoted by the support of reducible oxides, while the role of support remains elusive. Herein, by varying the reduction condition to regulate the TiOx overlayer on Ru nanocatalysts, the reactivity of Ru/TiO2 nanocatalysts can be differentially modulated. The activity in FTS shows a volcano-like trend with increasing reduction temperature from 200 to 600 °C. Such a variation of activity is characterized to be related to the activation of CO on the TiOx overlayer at Ru/TiO2 interfaces. Further theoretical calculations suggest that the formation of reduced TiOx occurs facilely on the Ru surface, and it involves in the catalytic mechanism of FTS to facilitate the CO bond cleavage kinetically. This study provides a deep insight on the mechanism of TiOx overlayer in FTS, and offers an effective approach to tuning catalytic reactivity of metal nanocatalysts on reducible oxides.

Suggested Citation

  • Yaru Zhang & Xiaoli Yang & Xiaofeng Yang & Hongmin Duan & Haifeng Qi & Yang Su & Binglian Liang & Huabing Tao & Bin Liu & De Chen & Xiong Su & Yanqiang Huang & Tao Zhang, 2020. "Tuning reactivity of Fischer–Tropsch synthesis by regulating TiOx overlayer over Ru/TiO2 nanocatalysts," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17044-4
    DOI: 10.1038/s41467-020-17044-4
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    Cited by:

    1. Hao Meng & Yusen Yang & Tianyao Shen & Wei Liu & Lei Wang & Pan Yin & Zhen Ren & Yiming Niu & Bingsen Zhang & Lirong Zheng & Hong Yan & Jian Zhang & Feng-Shou Xiao & Min Wei & Xue Duan, 2023. "A strong bimetal-support interaction in ethanol steam reforming," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    2. Chuanhao Wang & Junjie Du & Lin Zeng & Zhongling Li & Yizhou Dai & Xu Li & Zijun Peng & Wenlong Wu & Hongliang Li & Jie Zeng, 2023. "Direct synthesis of extra-heavy olefins from carbon monoxide and water," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    3. Hailing Yu & Caiqi Wang & Tiejun Lin & Yunlei An & Yuchen Wang & Qingyu Chang & Fei Yu & Yao Wei & Fanfei Sun & Zheng Jiang & Shenggang Li & Yuhan Sun & Liangshu Zhong, 2022. "Direct production of olefins from syngas with ultrahigh carbon efficiency," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    4. Ming Xu & Xuetao Qin & Yao Xu & Xiaochen Zhang & Lirong Zheng & Jin-Xun Liu & Meng Wang & Xi Liu & Ding Ma, 2022. "Boosting CO hydrogenation towards C2+ hydrocarbons over interfacial TiO2−x/Ni catalysts," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    5. Pavel A. Kots & Tianjun Xie & Brandon C. Vance & Caitlin M. Quinn & Matheus Dorneles Mello & J. Anibal Boscoboinik & Cong Wang & Pawan Kumar & Eric A. Stach & Nebojsa S. Marinkovic & Lu Ma & Steven N., 2022. "Electronic modulation of metal-support interactions improves polypropylene hydrogenolysis over ruthenium catalysts," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    6. Jiaqi Zhao & Jinjia Liu & Zhenhua Li & Kaiwen Wang & Run Shi & Pu Wang & Qing Wang & Geoffrey I. N. Waterhouse & Xiaodong Wen & Tierui Zhang, 2023. "Ruthenium-cobalt single atom alloy for CO photo-hydrogenation to liquid fuels at ambient pressures," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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