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Chemical Research in Chinese Universities

, Volume 35, Issue 4, pp 636–640 | Cite as

Reduction of 4-Nitrophenol Using Ficin Capped Gold Nanoclusters as Catalyst

  • Han Wu
  • Huiwu CaiEmail author
  • Juan Qiao
  • Li QiEmail author
Article
  • 19 Downloads

Abstract

Conversion of nitroarenes to aminoarenes has attracted great attention in pharmaceutical industry, agricultural production, environmental protection and chemical catalysis area. In this work, ficin capped gold nanoclusters(ficin@AuNCs) were prepared for the reduction of 4-nitrophenol to 4-aminophenol. The proposed catalyst was characterized by transmission electron microscopy, dynamic light scattering, fluorescence spectra and UV-Vis spectra. With NaBH4 as the reducing agent, the reduction reaction could carry out completely within 10 min at 25 °C. Interestingly, the resultant catalyst exhibited size-related properties in the reduction, smaller ficin@AuNCs exhibited higher catalytic activity. Its present pseudo-first-order rate constant was found to be 2.95×10−3 s−1 and the catalytic activation energy was 27.7 kJ/mol. Moreover, ficin@AuNCs-based catalyst displayed good stability, heading to 4-nitrophenol conversion of 98.5%―100.0% after six consecutive cycles. It has shown a great potential in construction of unique catalysts based on AuNCs for reduction reaction.

Keywords

Ficin capped gold nanocluster 4-Nitrophenol 4-Aminophenol Catalytic activation 

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Supplementary material

40242_2019_9070_MOESM1_ESM.pdf (257 kb)
Reduction of 4-nitrophenol using ficin capped gold nanoclusters as catalyst

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Copyright information

© Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH 2019

Authors and Affiliations

  1. 1.School of Chemistry and Chemical EngineeringXi’an University of Science and TechnologyXi’anP. R. China
  2. 2.Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of ChemistryChinese Academy of SciencesBeijingP. R. China
  3. 3.School of Chemical SciencesUniversity of Chinese Academy of SciencesBeijingP. R. China

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