Crystals of Sb 3+ -coordination complexes exhibiting yellowish green emissions with outstanding lifetimes
- Authors
- Qi, Hai-Xin; Jo, Hongil; Lee, Hye Eun; Hong, Jongin; Ok, Kang Min
- Issue Date
- Jun-2019
- Publisher
- Academic Press Inc.
- Keywords
- Hydrothermal synthesis; Photoluminescence; Sb 3+ -coordination complexes; X-ray diffraction; Yellowish green light emitting material
- Citation
- Journal of Solid State Chemistry, v.274, pp 69 - 74
- Pages
- 6
- Journal Title
- Journal of Solid State Chemistry
- Volume
- 274
- Start Page
- 69
- End Page
- 74
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/18557
- DOI
- 10.1016/j.jssc.2019.03.018
- ISSN
- 0022-4596
1095-726X
- Abstract
- Crystals of two antimony(III)-coordination complexes, [Sb(PDC)(HPDC)(H 2 O)] and [Sb 2 O(PDC) 2 (H 2 O) 2 ] (PDC = pyridine-2,6-dicarboxylate) have been grown via hydrothermal reactions. Single-crystal X-ray diffraction indicates that [Sb(PDC)(HPDC)(H 2 O)] and [Sb 2 O(PDC) 2 (H 2 O) 2 ] reveal pseudo-unidimensional and chain structures, respectively, and are composed of SbO 3 N 2 or SbO 4 N polyhedra, 2,6-PDC ligand, and H 2 O. The central Sb 3+ cations in both materials are in highly distorted environment attributable to the stereoactive lone pairs on Sb 3+ ions. UV–vis diffuse reflectance spectra clearly indicate the introduction of Sb 3+ cations into the coordination system through the red-shift of the maximum peaks. Photoluminescence measurements suggest that [Sb 2 O(PDC) 2 (H 2 O) 2 ] is a single component yellowish green light emitting material with a remarkable decay lifetime of 8.4 μs at room temperature. © 2019 Elsevier Inc.
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