Transition Metal Phosphides (Fe2P, Co2P, and Ni2P) Modified CdS Nanorods for Efficient Photocatalytic H2 Evolution
Source abstract
Abstract
As cocatalysts play important roles in enhancing the catalytic performance, designing and fabricating highly active cocatalysts is an effective approach to improving photocatalytic H 2 production. In this work, transition metal phosphides (including Fe 2 P, Co 2 P, and Ni 2 P) with nanoscale structures are synthesized by the solvothermal method, which can largely enhance the photocatalytic activity and stability of CdS nanorods as cocatalysts. By optimizing the synthesis and reaction conditions, 10% Co 2 P/CdS achieved the highest H 2 production, about 29.24 mmol·g –1 ·h –1 in the lactic acid solution, which was 21.5 and 3.0 times higher than that of CdS (1.36 mmol·g –1 ·h –1 ) and 1% Pt/CdS (9.63 mmol·g –1 ·h –1 ), respectively. Testing by many characterizations, not only the reasons for different activities for TMPs/CdS but also the enhanced reasons of Co 2 P/CdS are explored. The results indicated that the non-noble metal Co 2 P cocatalyst not only enhanced the visible light absorption of CdS but also promoted the effective separation of photogenerated charge carriers. This work contributes to the further development of TMPs as low-cost and highly active cocatalysts for CdS-based photocatalysts.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Electrocatalysts for Energy Conversion · Copper-based nanomaterials and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; Anhui Provincial Key Laboratory of Synthetic Chemistry and Applications; College of Chemistry and Materials Science, Huaibei Normal University, Huaibei 235000, Anhui, P. R. China
State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou 350116, P. R. China
School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
Funding
Anhui Provincial Department of Education · National Natural Science Foundation of China · Natural Science Foundation of Anhui Province · Collaborative Innovation Project of Colleges and Universities of Anhui Province · State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University · Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, Huaibei Normal University
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