tio2 photoanode
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2022 ◽  
Vol 304 ◽  
pp. 120983
Author(s):  
Yidong Han ◽  
Jie Wu ◽  
Yi Li ◽  
Xiaoqing Gu ◽  
Tiwei He ◽  
...  

2022 ◽  
Vol 138 ◽  
pp. 106259
Author(s):  
Abolfazl Zare Bidaki ◽  
Hossein Abdizadeh ◽  
Erfan Pourshaban ◽  
Mohammad Saeed Shadabroo ◽  
Mohammad Reza Golobostanfard

2022 ◽  
Vol 891 ◽  
pp. 162040
Author(s):  
Ikhtiar Ahmad ◽  
Rashida Jafer ◽  
Syed Mustansar Abbas ◽  
Nisar Ahmad ◽  
Ata-ur-Rehman ◽  
...  

2022 ◽  
pp. 134458
Author(s):  
Zhongrui Yu ◽  
Hui Guo ◽  
Zulin Sun ◽  
Yi Li ◽  
Yihao Liu ◽  
...  
Keyword(s):  

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Zhenhua Li ◽  
Lan Luo ◽  
Min Li ◽  
Wangsong Chen ◽  
Yuguang Liu ◽  
...  

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Zhenhua Li ◽  
Lan Luo ◽  
Min Li ◽  
Wangsong Chen ◽  
Yuguang Liu ◽  
...  

AbstractPhotoelectrochemical cells are emerging as powerful tools for organic synthesis. However, they have rarely been explored for C–H halogenation to produce organic halides of industrial and medicinal importance. Here we report a photoelectrocatalytic strategy for C–H halogenation using an oxygen-vacancy-rich TiO2 photoanode with NaX (X=Cl−, Br−, I−). Under illumination, the photogenerated holes in TiO2 oxidize the halide ions to corresponding radicals or X2, which then react with the substrates to yield organic halides. The PEC C–H halogenation strategy exhibits broad substrate scope, including arenes, heteroarenes, nonpolar cycloalkanes, and aliphatic hydrocarbons. Experimental and theoretical data reveal that the oxygen vacancy on TiO2 facilitates the photo-induced carriers separation efficiency and more importantly, promotes halide ions adsorption with intermediary strength and hence increases the activity. Moreover, we designed a self-powered PEC system and directly utilised seawater as both the electrolyte and chloride ions source, attaining chlorocyclohexane productivity of 412 µmol h−1 coupled with H2 productivity of 9.2 mL h−1, thus achieving a promising way to use solar for upcycling halogen in ocean resource into valuable organic halides.


2021 ◽  
Vol 43 ◽  
pp. 103228
Author(s):  
Jinwang Li ◽  
Yingying Lin ◽  
Rong Chen ◽  
Xun Zhu ◽  
Dingding Ye ◽  
...  

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