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Carbon dioxide is the major greenhouse gas (GHG) that result in global warming, utilization of carbon dioxide is an effective and direct way that deals with the global warming problem—the high emission of carbon dioxide which keeps increasing relentlessly. Converting carbon dioxide into fuels, other useful stock and fine chemicals by photocatalytically has become one of the best options and been considered as "the holy grail" to reduce green-house gas emission, counter the energy shortage and ameliorate the environment pollution, it can be seen as the solution to "kill three birds with one stone". Many photocatalysts such as TiO2, BiVO4, BiWO6, Zn2GeO4 have been investigated in photocatalytic carbon dioxide reduction, but suffering the disadvantage of low reduction efficiency. Furthermore, most of the photocatalysts already investigated are only active in the UV region. It is necessary to develop highly efficient photocatalysts that can reduce carbon dioxide under visible light. Based on the richness of metal-containing nodes and organic bridging linkers, as well as the controllability of synthesis, it is easy to construct MOFs and COFs with tailorable capacity to absorb light, thereby initiating desirable photocatalytic properties for specific application in carbon dioxide reduction.
Photocatalytic reduction of carbon dioxide by MOFs and COFs presents two different conversion processes, namely conversion to organic chemicals (like CH4, CH3OH, HCOOH and so on) and being split into carbonic oxide.
Fig.1 Proposed mechanism for the photocatalytic reduction of carbon dioxide into HCOOH with DQTP-COF
Fig.2 Representation of the cooperation of Co-ZIF-9 and g-C3N4 for the photocatalytic reduction of carbon dioxide into carbon monoxide under visible light irradiation
Alfa Chemistry provides various MOFs and COFs with high-activity for use in photocatalytic carbon dioxide reduction. And our professional technology team also provide customers with professional, high-quality MOFs and COFs design and customization services, no matter what design ideas you have, we will implement them together with you. In addition, Alfa Chemistry is committed to supporting customers a series of solutions in photocatalytic carbon dioxide reduction by using MOFs and COFs. Please contact us immediately to order or cooperate in research and development with high quality and reasonable price.
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