کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6454153 1418811 2017 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Light assisted CO2 reduction with methane over group VIII metals: Universality of metal localized surface plasmon resonance in reactant activation
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی کاتالیزور
پیش نمایش صفحه اول مقاله
Light assisted CO2 reduction with methane over group VIII metals: Universality of metal localized surface plasmon resonance in reactant activation
چکیده انگلیسی


- Light assisted CO2 thermal-reduction with methane (DRM) is adopted as an alternative for CO2 photo-reduction.
- Activities of Ni-based catalysts in DRM could be enhanced with light irradiation.
- Hot electrons generated by metal localized surface plasmon resonance exhibited universal capacity in reactant activation.

Photo-catalytically reducing the greenhouse gas CO2 into valuable compounds is beneficial for environmental protection. In this study, a recently developed novel CO2 photoreduction approach, light assisted thermal-driven CO2 reforming with CH4 into syngas (DRM), is adopted as the target reaction, with group VIII metals, especially Ni/Al2O3, as the probe catalysts. With light introduction, the activities of Ni/Al2O3 nearly linearly increased and the increments were in highly correspondence to the intensity of the electromagnetic field induced by two adjacent Ni particles, together with the wavelength-dependent performances over 10Ni/Al2O3, it indicated it was Ni localized surface plasmon resonance (LSPR) that improved the performances. The LSPR enhanced catalytic performance could also be observed over other group VIII metals, such as Rh- and Fe- based catalysts, and the universality of reactant activation by metal LSPR could be expected. This study firstly revealed that not merely limited to IB metals, group VIII metals could also be adopted as plasmonic promoters and enhance the activity of a catalyst with light irradiation.

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ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Catalysis B: Environmental - Volume 209, 15 July 2017, Pages 183-189
نویسندگان
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