0D/2D Co<sub>0.85</sub>Se/TiO<sub>2</sub> p–n heterojunction for enhanced photocatalytic H<sub>2</sub> evolution
Keting Feng, Tao Sun, Xiaoyun Hu, Jun Fan, Dongyuan Yang, Enzhou Liu
Abstract
The H 2 rate of 15%-Co 0.85 Se/TiO 2 is 2312.5 μmol g −1 h −1 , which is 10.3 times and 10.8 times higher than TiO 2 and Co 0.85 Se. The enhanced activity is attributed to the higher electrochemically active surface area and the formation of p–n heterostructure.
Topics & Concepts
HeterojunctionPhotocatalysisCatalysisMaterials scienceNanotechnologyChemistryOptoelectronicsOrganic chemistryAdvanced Photocatalysis TechniquesQuantum Dots Synthesis And PropertiesCopper-based nanomaterials and applications