Photocatalytic CO2 reduction to produce valuable chemicals and fuels using solar energy provides an appealing route to alleviate global energy and environmental problems. Searching photocatalysts with high activity and selectivity for CO2 conversion is the key to achieving this goal. Among various proposed...
Photocatalytic reduction of CO2 with H2O to solar fuels using TiO2-based nanocompositesPhotocatalytic conversion CO2 with H2O is potentially a promising approach to recycle CO2 back to hydrocarbon fuels. Among various photocatalysts that have been studied for CO2 photoreduction, TiO2 is considered as a ...
The reduction of carbon dioxide to methane in the presence of water was used to evaluate the photocatalytic activity of a prepared strontium metaborate(SrB_2O_4) catalyst.The strontium metaborate was prepared by a simple sol-gel method,and was shown to exhibit better photocatalytic performance ...
photocatalytic co2 reduction综述光催化CO2还原是指利用光催化剂将CO2转化为有价值的碳氢化合物或烃类化合物的过程。光催化CO2还原反应是一种绿色、可持续的合成方法,可以减少大气中的CO2含量,并生成有用的碳氢化合物或烃类化合物,如甲醇、乙醇、甲烷等。光催化CO2还原反应的优点是可以在常温常压下进行,不需要使用贵...
Rapid thermal reduced graphene oxidePt-TiO2 nanotube arrays for enhanced visible-light-driven photocatalytic reduction of CO2 热度: Photocatalytic decompositions of methanol and ethanol on Au supported by pure or N-doped TiO2 热度: CO 2 Photoreduction ...
Photocatalytic reduction of CO2 with H2O and its reaction mechanism were investigated on highly dispersed titanium oxide anchored onto Vycor glass, prepared through a facile reaction between surface OH groups of Vycor and TiCl4. UV irradiation of the anchored catalyst at 275 K in the presence of ...
Photocatalytic reduction of CO2 was carried out to synthesize methanol in the aqueous suspension system of nano TiO2. The catalyst was characterized by XRD, TEM, BET, UV-Vis diffuse reflectance and FTIR spectroscopy methods. The results showed formation of Si— O—Ti bond on the silica-modified...
Photoinduced reduction of CO2 by H2O to produce CH4 and CH3OH has been investigated on wellcharacterized standard TiO2 catalysts and on a Cu2+ loaded TiO2 catalyst. The efficiency of this photoreaction depends strongly on the kind of catalyst and the ratio of H2O to CO2. Anatase TiO2, which ...
Photocatalytic reduction of CO2 into hydrocarbon fuels, an artificial photosynthesis, is based on the simulation of natural photosynthesis in green plants, whereby O2 and carbohydrates are produced from H2O and CO2 using sunlight as an energy source. It couples the reductive half-reaction of CO2 fixa...
In the present study, silicon carbide (SiC) recovered from silicon sludge wastes is used as catalysts for photocatalytic reduction of CO2. By X-ray diffraction, it is clear that the main components in the silicon sludge wastes are silicon and SiC. The grain size of the SiC separated from th...