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[期刊论文]

[Y(IO3)3(H2O)2]n: A new rare earth iodate featuring the circle-shaped I4O12 polyiodate anion and three-order nonlinear optical property

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author:

Chen, J.-J. (Chen, J.-J..) [1] | Zheng, Y.-Y. (Zheng, Y.-Y..) [2] (Scholars:郑玉婴)

Indexed by:

Scopus CSCD

Abstract:

A new layered yttrium iodate [Y(IO3)3(H2O)2]n (1) has been prepared from the hydrothermal reaction of Y(NO3)3∙6H2O with I2O5 at 170 °C, and its structure was determined by X-ray single-crystal diffraction method. It belongs to the triclinic system, space group P1 with a = 7.355(5), b = 7.515(5), c = 9.413(7) Å, α = 79.65(2)º, β = 85.18(3)º, γ = 71.870(19)º, Z = 2, V = 486.2(6) Å3. 1 was further characterized by FTIR, powder X-ray diffraction (PXRD) and UV-Vis spectra. In 1, the Y centers in a monocapped trigonal prism environment are bound by IO3- anion and unique circle-shaped I4O12 polyiodate anion to generate a wave-like 2-D layer. The adjacent layers are further linked with each other by hydrogen bonds to form a quasi-3-D supramolecular network. 1 exhibits a reverse saturation absorption and a self-defocusing effect with the nonlinear absorption coefficient β being -0.66 ×10-5 mW-1, which stems mainly from the electron transition from O-2p to I-5p orbital within iodates upon theoretical calculation. © 2020 Fujian Institute of Research of the Structure of Matter. All rights reserved.

Keyword:

Hydrothermal synthesis; Rare earth iodate; Theoretical calculation; Three-order nonlinear optical

Community:

  • [ 1 ] [Chen, J.-J.]College of Material Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Zheng, Y.-Y.]College of Material Science and Engineering, Fuzhou University, Fuzhou, 350108, China

Reprint 's Address:

  • 郑玉婴

    [Zheng, Y.-Y.]College of Material Science and Engineering, Fuzhou UniversityChina

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Source :

Jiegou Huaxue

ISSN: 0254-5861

CN: 35-1112/TQ

Year: 2020

Issue: 7

Volume: 39

Page: 1307-1313

0 . 8 9 3

JCR@2020

5 . 9 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:160

JCR Journal Grade:4

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

30 Days PV: 1

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