نتایج جستجو برای: photo catalytic

تعداد نتایج: 106617  

Journal: :IOP Conference Series: Earth and Environmental Science 2018

Journal: :Applied Catalysis B-environmental 2021

There is growing recognition that cooperative effects exist under dual-mode (photo-thermal) heterogeneous catalytic excitation offer genuine prospects in the transition to a sustainable energy and chemicals economy. Solar beams can act as practical combined source of photons heat (via non-radiative relaxation after optical absorption) lead process intensification. This review provides critical ...

Journal: :Applied Catalysis B-environmental 2021

SYNOPSIS: Coupling photo- and thermo- catalytic CO 2 hydrogenation is a promising way to convert with higher sustainability. Herein, the redox pathway demonstrated as main reaction for at 200 °C over Au/TiO . The plasmonic enhancement mechanism proven be facilitated oxygen vacancy generation. • Plasmon enhances production rate by ? 318 % Redox CO. DRIFTS analyses prove spontaneous dissociation ...

Journal: :EcoMat 2021

Abstract Nitrogen, one of most important elements on the Earth, plays an essential role in shaping modern society. The natural nitrogen looping, however, is insufficient to satisfy high demand large‐scale human activities. To achieve a more sustainable and efficient utilization nitrogen, artificial looping by photo(electro)catalytic processes has been considered as feasible strategy. In this co...

Journal: Nanochemistry Research 2017

Iron oxide (Fe2O3) nanoparticles were prepared by combination of sol-gel autocombustion and ultrasonic irradiation. The XRD pattern reveals that the crystallite size of sample is 36.7 nm and the phase identification shows hematite, syn has been crystalized. The morphology of the sample investigated by FESEM showed that particle size of the sample was about 76 nm. The optic...

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