期刊
INORGANIC CHEMISTRY
卷 60, 期 13, 页码 9238-9242出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.1c00981
关键词
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资金
- Science and Engineering Research Board (SERB), India
- CSIR (SKS) [SB/S1/IC49/2012]
The multifunctional MOF with a unique metal cluster core exhibits significant catalytic activity and higher TOF in chemical reactions, while also being utilized for detecting explosive material TNP.
A robust and multifunctional cuboctahedral [In-36(mu-OH)(24)(NO3)(8)(Imtb)(24)] MOF (In(Imtb)-MOF) with an atypical pyramidal nitrate ion-containing hitherto unknown SBU core [In-9(mu-OH)(6)(NO3)] is reported. The intra- and interlayer nitrate ions adopt pyramidal and inverted pyramidal shapes, which separates the active indium site [(In-3(mu-OH)(2))NO3-(In-3(mu-OH)(2))] and linear In-3(mu-OH)(2) by 0.5 and 0.9 nm, respectively. Additionally, the high density of active metal sites shows remarkable catalytic activity with higher TOF even for sterically hindered substrates in Strecker synthesis and CO2 cycloaddition. Moreover, the luminescence behavior of In(Imtb)-MOF and the presence of uncoordinated nitrogen atoms are exploited for selective sensing of explosive trinitrophenol (TNP) with a detection limit (LOD) of 2.3 ppb.
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