期刊
RSC ADVANCES
卷 6, 期 33, 页码 27974-27982出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra03883b
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资金
- National Research Foundation of Korea (NRF) grant - Korea government (MSIP) [NRF-2014R1A2A1A11052391]
- Nano Material Technology Development Program [2012M3A7B4049675]
- Ministry of Education [2014R1A6A1031189]
- National Research Foundation of Korea [2014R1A6A1031189, 2014R1A2A1A11052391, 2012M3A7B4049677] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This paper describes the biosynthesis of core-shell CuO-Pd nanoparticles with the aid of a Cyperus rotundus rhizome extract. The crystallinity, surface chemistry, morphology and thermal properties of the synthesized nanoparticles were characterized by X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy, and thermogravimetric analysis. The nanoparticles with Pd covered by a CuO enriched shell showed enhanced catalytic performance for organic transformations to synthesize 2,3-dihydroquinazolin-4(1H)-ones, spirooxindoles, and chromenylpyrimidin-2,4-diones in excellent yield. Moreover, the nanocatalyst can be recycled effectively for five consecutive reactions without significant loss of catalytic activity.
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