Photocatalytic Conversion of Waste Plastics into C2 Fuels under Simulated Natural Environment Conditions
Xingchen Jiao
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorKai Zheng
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorQingxia Chen
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorXiaodong Li
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorYamin Li
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorWeiwei Shao
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorJiaqi Xu
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorProf. Junfa Zhu
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorProf. Yang Pan
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorCorresponding Author
Prof. Yongfu Sun
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorCorresponding Author
Prof. Yi Xie
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorXingchen Jiao
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorKai Zheng
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorQingxia Chen
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorXiaodong Li
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorYamin Li
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorWeiwei Shao
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorJiaqi Xu
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorProf. Junfa Zhu
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorProf. Yang Pan
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorCorresponding Author
Prof. Yongfu Sun
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorCorresponding Author
Prof. Yi Xie
Hefei National Laboratory for Physical Sciences at Microscale, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026 P. R. China
Search for more papers by this authorAbstract
Reported here is the first highly selective conversion of various waste plastics into C2 fuels under simulated natural environment conditions by a sequential photoinduced C−C cleavage and coupling pathway, where single-use bags, disposable food containers, food wrap films, and their main components of polyethylene, polypropylene, and polyvinyl chloride can be photocatalytically transformed into CH3COOH without using sacrificial agents. As an example, polyethylene is photodegraded 100 % into CO2 within 40 h by single-unit-cell thick Nb2O5 layers, while the produced CO2 is further photoreduced to CH3COOH. Various methods and experiments disclose that O2 and .OH radicals trigger the oxidative C−C cleavage of polyethylene to form CO2, while other investigations show that the yielded CH3COOH stems from CO2 photoreduction by C−C coupling of .COOH intermediates. This two-step plastic-to-fuel conversion may help to simultaneously address the white pollution crisis and harvest highly valuable multicarbon fuels in natural environments.
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