@misc{10498/32278,
year = {2023},
url = {http://hdl.handle.net/10498/32278},
abstract = {Methane activation by photocatalysis is one of the promising sustainable technologies for chemical synthesis. However, the current efficiency and stability of the process are moderate. Herein, a PdCu nanoalloy (~2.3 nm) was decorated on TiO2, which works for the efficient, stable, and selective photocatalytic oxidative coupling of methane at room temperature. A high methane conversion rate of 2480 μmol g−1 h−1 to C2 with an apparent quantum efficiency of ~8.4% has been achieved. More importantly, the photocatalyst exhibits the turnover frequency and turnover number of 116 h−1 and 12,642 with respect to PdCu, representing a record among all the photocatalytic processes (λ > 300 nm) operated at room temperature, together with a long stability of over 112 hours. The nanoalloy works as a hole acceptor, in which Pd softens and weakens C-H bond in methane and Cu decreases the adsorption energy of C2 products, leading to the high efficiency and long-time stability.},
publisher = {Nature Research},
keywords = {carbon},
keywords = {coke},
keywords = {copper},
keywords = {hydrogen},
keywords = {metal alloy nanoparticle},
keywords = {methane},
keywords = {palladium},
keywords = {titanium dioxide},
keywords = {adsorption},
keywords = {alloy},
keywords = {catalyst},
keywords = {methane},
keywords = {nanoparticle},
keywords = {photodegradation},
keywords = {turnover},
keywords = {adsorption},
keywords = {Article},
keywords = {chemical bond},
keywords = {controlled study},
keywords = {density functional theory},
keywords = {molecular stability},
keywords = {oxidative coupling},
keywords = {photocatalysis},
keywords = {quantum mechanics},
keywords = {reaction analysis},
keywords = {room temperature},
keywords = {turnover number},
title = {PdCu nanoalloy decorated photocatalysts for efficient and selective oxidative coupling of methane in flow reactors},
doi = {https://doi.org/10.1038/S41467-023-41996-Y},
author = {Li, Xiyi and Wang, Chao and Yang, Jianlong and Xu, Youxun and Yang, Yi and Yu, Jiaguo and Delgado Jaén, Juan José and Martsinovich, Natalia and Sun, Xiao and Zheng, Xu-Sheng and Huang, Weixin and Tang, Junwang},
}