Journal
ACS OMEGA
Volume 4, Issue 6, Pages 10775-10783Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.9b01008
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Funding
- Public Research and Capacity Building Projects of Department of Guangdong Province [2017A010103022]
- Natural Science Foundation of Guangdong Province [2017A030313079]
- Featured Innovation Project of Guangdong Province [2017KTSCX083]
- Special Funds for Scientific Technological Innovation of Undergraduates in Guangdong Province [pdjha0218, pdjha0219, pdjh2019b0215, pdjh2019b0219, pdjh2019b0221, pdjha0226, pdjh2019b0222]
- Group-type Special Support Project for Education Talents in Universities
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A new three-dimensional microporous metal-organic framework based on Zn(II) clusters with the formula {[Zn-7(NDC)(5.5)(mu(4) -OH)(3)]center dot 7DMF}(n) (1) (H2NDC = 1,4-naphthalenedicarboxylic acid) had been synthesized and characterized. The MOF 1 displays an uncommon bsn topology, which is based on a unique heptanuclear Zn-7(OH)(3)(CO2)(11) cluster as a secondary building unit. The MOF had been employed as a photocatalyst for the photodegradation of model organic dyes rhodamine B and methyl violet in light. The results of photocatalytic experiments showed that 1 can successfully be employed as the photocatalyst for the benign decomposition of these dyes. A mechanism for the photcatalysis exhibited by 1 had been proposed using the results of density of states (DOS) and partial DOS calculations. The fluorescence properties of the MOF have been investigated, which revealed that 1 could be exploited as the luminescent sensor to recognize Fe3+ ions with perceptible quenching (K-sv, = 6.55 X 10(4)M-(1)) and a limit of detection of 1.16 ppm.
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