Enhanced Charge Separation in a PAN/ZnO Nanocomposite for Promoted Photocatalytic Hydrogen Evolution
Source abstract
Abstract
A PAN/ZnO (PAN, polyacrylonitrile) nanocomposite material was made using an ultrasound-assisted agitation method with PAN of different concentrations. XRD, SEM, TEM, BET, XPS, UV–vis, PL, FTIR, TPR, EIS, MS, and EPR techniques were used to analyze the effects of different PAN concentrations on the crystallinity, morphology, specific surface area, photocatalytic activity, photoresponse, and so on. The introduction of PAN in ZnO increases the photocatalytic hydrogen production activity. The composite material showed enhanced photocatalytic activity compared with the original PAN and ZnO catalysts. The optimal hydrogen production rate was 7.53 mmol·g –1 ·h –1 for ZP20, surpassing that of ZnO (0.77 mmol·g –1 ·h –1 ) and PAN (0.24 mmol·g –1 ·h –1 ). This improvement is attributed to the effective charge transfer by PAN loading on ZnO, enhancing the separation efficiency of the photogenerated carriers through the binding of nanoparticles. This work supports a method for the design and synthesis of ZnO-based organic–inorganic hybrid photocatalysts.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Advanced Nanomaterials in Catalysis · Gas Sensing Nanomaterials and Sensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, Department of Materials, Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, P. R. China
State Key Laboratory of Structural Chemistry, Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, and Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350108, Fujian, P. R. China
Xiamen Institute of Rare-Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen 361021, P. R. China
Fujian College, University of Chinese Academy of Sciences, Fuzhou 350002, Fujian, China
Funding
Natural Science Foundation of Fujian Province · National Natural Science Foundation of China · Natural Science Foundation of Jiangxi Province · Xiamen Institute of Rare-earth Materials, Chinese Academy of Sciences
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