5 years ago

Hybridization of Metal Nanoparticles with Metal–Organic Frameworks Using Protein as Amphiphilic Stabilizer

Hybridization of Metal Nanoparticles with Metal–Organic Frameworks Using Protein as Amphiphilic Stabilizer
Fengwei Huo, Shilin Zhao, Hui Mao, Weina Zhang, Binghua Zou, Weiqiang Zhou, Bing Zheng
Here, a facile strategy is reported to efficiently hybridize metal nanoparticles (MNPs) with typical metal–organic frameworks (MOFs) of ZIF-8 (zeolitic imidazolate framework-8), which employs bovine serum albumin (BSA, a serum albumin protein derived from cows) as the amphiphilic stabilizer to increase the affinity of MNP toward MOFs. For instance, the as-synthesized PdNPs/ZIF-8 composites with diameter from 100 to 200 nm always maintain well-defined crystalline structure, and the PdNPs with small size of ∼2 nm are well-dispersed in the crystal of MOFs without serious aggregations due to the BSA stabilizer. In Suzuki cross-coupling reactions of aryl halide, the PdNPs/ZIF-8 as catalysts have exhibited high activity and satisfied reusability owing to the use of BSA stabilizer as well as the fixing of MOFs matrixes. In addition, the strategy also can be extended to synthesize other kinds of MNPs/MOFs hybrid composites with tunable particle size, which brings more opportunity for functional MOFs hybrid materials.

Publisher URL: http://dx.doi.org/10.1021/acsami.7b06754

DOI: 10.1021/acsami.7b06754

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