Synthesis, structure, and fluorescence properties of a calcium-based metal-organic framework

被引：26

作者：

Kojima, Daichi ^{[1
]}

Sanada, Tomoe ^{[1
]}

Wada, Noriyuki ^{[2
]}

Kojima, Kazuo ^{[1
]}

机构：

[1] Ritsumeikan Univ, Coll Life Sci, Dept Appl Chem, 1-1-1 Noji Higashi, Kusatsu, Shiga 5258577, Japan

[2] Suzuka Coll, Natl Inst Technol, Dept Mat Sci & Engn, Shiroko Cho, Suzuka, Mie 5100294, Japan

来源：

RSC ADVANCES | 2018年 / 8卷 / 55期

关键词：

COORDINATION POLYMERS; GAS SORPTION; MOF; ADSORPTION; LUMINESCENT; MOLECULES; CATALYSIS; MAGNETISM; CLUSTERS; CRYSTAL;

D O I：

10.1039/c8ra06043f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The solvothermal reaction of a mixture of calcium acetylacetonate and 1,4-naphthalenedicarboxylic acid (H2NDC) in a solution containing ethanol and distilled water gave rise to a metal-organic framework (MOF), {(H3O+)(2)[Ca(NDC)(C2H5O)(OH)]}(4)1.1H(2)O. This MOF possesses a new structure composed of calcium clusters and H2NDC linker anions and shows a unique fluorescence property; it exhibits a fluorescence peak at 395 nm ((ex) = 350 nm) at room temperature, which is blue-shifted compared with that exhibited by the free H2NDC ligand. One of the possible mechanisms for this fluorescence is likely attributable to a ligand-to-metal charge transfer (LMCT) transition and is the first example of a calcium-based MOF exhibiting blue-shifted fluorescence due to LMCT.

引用

页码：31588 / 31593

页数：6

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