Synthesis, Crystal Structure and Photoluminescent Property of Cadmium(II) Metal-organic Framework with Mixed Carboxylate and Bis(imidazole) Ligand

Zhou, Yong; Tian, Yu

doi:10.5012/bkcs.2013.34.9.2800

Cited by 2 publications

(2 citation statements)

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“…The asymmetric and symmetric [15] stretching frequencies of carboxylate ions are shown at 1645.10 -1598.00 cm -1 and 1522.00-1542.14 cm -1 . The N-N stretching [25] frequency of Co-MOF is seen at 1178.62-1043.36 cm -1 [15][16][17][18][19] which indicates the bidentate bridging nature [26]of the ligands. where D [12] is the "crystallite size", k [27] = 0.9, is the "full width at half maximum" (FWHM) of the most intense diffraction peak on the diffractogram [12], = 1.5406 Ȧ of the Cu target, and is the Bragg angle.…”

Section: Infrared Spectral Data Of Co-mofmentioning

confidence: 99%

“…These properties present unique advantages of MOFs for radiation detection [4] over existing organic scintillator materials [11]. MOFs as scintillators are utilized in molecule detectors [10][11][12][13][14][15][16][17][18], energy resource investigation [19], X-ray beam security, nuclear cameras, processed tomography [10], gas investigation, and radiation estimation and monitoring [1]. The electronic and structural features [6] of metal-organic frameworks furnish essential perception into their scintillating properties [20][21][22][23][24][25][26][27][28][29][30][31][32][33].…”

Section: Introductionmentioning

confidence: 99%

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Cobalt(II) Metal-organic Framework as Scintillating Material

Mbonu

2020

J. Idn. Chem. Soc.

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Novel cobalt(II) metal-organic framework was grown by the reaction of a methanol solution of 8-hydroxyquinoline and benzoic acid with aqueous solution of cobalt(II) chloride hexahydrate using slow solvent evaporation. The X-ray luminescence of the synthesized compound showed vibronic peaks: one with λmax at 489 nm and shoulders at 424 and 531 nm, respectively, which compare favorably with best organic scintillators such as anthracene –447 nm and stilbene –410 nm currently in application. The elemental analysis of the metal complex suggests a metal to ligands ratio of 1:1:1. Conductance measurement shows a nonelectrolytic nature of the synthesized compound. The SEM studies give the surface morphology of the complex. The observed emission bands with different dynamics in response to temperature change suggest that the Co-MOF exhibits scintillation properties. Electronic spectrum and magnetic moment studies were used to determine the geometry of the Co-MOF molecule. Thermal analysis data reported displayed the extent of stability of the Co-MOF compound. PXRD data revealed the nanocrystalline nature of the complex. Energy resolution peak observed at 2535 KeV, suggest the synthesized compound can be used as a scintillator.

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