Abstract
A low-cost hybrid catalyst, carbon dots/copper oxide supported on mesoporous hydroxyapatite (CDs/CuO/mHA), was successfully prepared in this work. The resulting CDs/CuO/mHA showed excellent catalytic activity toward the reduction of 4-nitrophenol (4-NP) even under dark condition. It was demonstrated that the CuO phase underwent dynamic restructuring induced by the reactive environments and significantly boosted the electron transport, which fundamentally promoted the reduction of 4-NP. Introducing visible light illumination further resulted in an encouraging activity improvement owing to the acceleration of the restructuring of CuO by the photogenerated charges. In addition, CDs acting as electron donor, mHA providing porous structure and high specific surface area, as well as good interfacial bonding being the efficient charge transport channels, also played vital roles in improving the catalytic performance. The moles-normalized rate constant obtained for CDs/CuO/mHA was about 17 times higher than that obtained for CuO.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
