Journal
SEPARATION AND PURIFICATION TECHNOLOGY
Volume 272, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.seppur.2021.118787
Keywords
Phenol degradation; Photocatalysis; Organic-inorganic hybrid; In2S3@Au@P3HT heterojunction
Categories
Funding
- National Natural Science Foundation of China [51773144, 21938006, 51803143]
- Science Foundation of Jiangsu Province [BE2019659]
- Science Foundation of Suzhou City [SS2019025]
- Priority Academic Program Development of Higher Education Institutions (PAPD) in Jiangsu
- National Center for International Research on Intelligent NanoMaterials and Detection Technology in Environmental Protection
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A ternary nanoflower, In2S3@Au@P3HT, doped with gold nanoparticles and covered with a nanolayer P3HT, was prepared for efficient photocatalytic degradation of the organic pollutant phenol. The synergistic benefits of the gold nanoparticles and P3HT layer contribute to the high performance of the ternary Z-type heterojunction photocatalyst, showing rapid degradation of phenol in water remediation applications. This new strategy for preparing the highly-efficient photocatalyst provides potential for further environmental remediation solutions.
A ternary nanoflower, In2S3@Au@P3HT, doped with gold nanoparticles and covered with a nanolayer P3HT, was prepared. The P3HT content was tuned for broader visible-light adsorption and higher photocurrents, whereas the Au NPs act as the charge transfer medium to construct a ternary Z-type heterojunction photocatalyst. The effective photocatalytic performance can be attributed to these synergistic benefits and was verified by applying the nanoflower to water remediation. Phenol, an organic pollutant that does not readily degrade, was chosen for photo-oxidative degradation. Application of the In2S3@Au@P3HT nanocomposites resulted in rapid degradation with almost 95% of the phenol (10 ppm) being degraded within 80 min. A new strategy for the preparation of this highly-efficient photocatalyst is provided.
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