Catalysis Letters

, Volume 149, Issue 2, pp 544–551 | Cite as

Gold Nanoparticles Stabilized by 1,2,3-Triazolyl Dendronized Polymers as Highly Efficient Nanoreactors for the Reduction of 4-Nitrophenol

  • Xiong Liu
  • Shengdong Mu
  • Yanru Long
  • Guirong Qiu
  • Qiangjun Ling
  • Haibin GuEmail author
  • Wei LinEmail author


Dendronized polymer (DP)-encapsulated gold nanoparticles (AuNPs) are well prepared and characterized, and their catalytic performance is also evaluated. First, the nanoreactors self-assembled from water-soluble 1,2,3-triazolyl DP 1 are employed as templates to generate DP-encapsulated AuNPs. The resulting AuNPs are characterized through UV–visible spectroscopy and high-resolution transmission electron microscopy. The catalytic activity of DP-encapsulated AuNPs was estimated by the conversion of 4-nitrophenol (4-NP) into 4-aminophenol (4-AP) in water and an extremely catalytic activity is found for the reduction reaction with remarkable TONs up to 2000 and TOFs up to 7350 h− 1. This catalytic performance is comparable to these micellar AuNPs encapsulated by the known analogues including the trz-containing triethylene glycol (TEG) and polyethylene glycol (PEG) dendrimers, which may be because that DPs 1 has the similar behavior in solution as the dendrimer analogues.

Graphical Abstract


Nanoreactor Dendronized polymer Catalysis 4-Nitrophenol reduction Gold nanoparticles 



Thanks for the UV–vis analysis from Wang Zhonghui (College of Light Industry, Textile and Food Engineering, Sichuan University) and the TEM analysis from ceshigo ( This work was financially supported by the “Science & Technology Department of Sichuan Province” (No. 2018HH0038) and “ZSCHIMMER & SCHWARZ GmbH & Co. KG”.


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Key Laboratory of Leather Chemistry and Engineering of Ministry of EducationSichuan UniversityChengduChina
  2. 2.National Engineering Laboratory for Clean Technology of Leather ManufactureSichuan UniversityChengduChina

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