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Title: Preparation and characterization of a novel hybrid magnetic semiconductor containing rare, one-dimensional mixed-iodide/chloride anion of lead(II)

A new hybrid inorganic-organic magnetic semiconductor [Ni(bipy){sub 3}Pb{sub 2}I{sub 4.84}Cl{sub 1.16}.DMF]{sub n} (bipy=2,2'-bipyridine) containing novel one-dimensional mixed-halide anion of lead(II) was synthesized by reactions of PbI{sub 2}, NaI, NiCl{sub 2} and bipy in DMF solution, and structurally characterized by single-crystal X-ray diffraction. It crystallizes in the space group C2/c with a=29.260(8) A, b=15.602(4) A, c=23.695(6) A, {beta}=126.815({sup o}), Z=8, V=8660(4) A{sup 3} and consists of a magnetic cation [Ni(bipy){sub 3}]{sup 2+} in addition to one-dimensional mixed-halide anion, which is built up of face-sharing [PbX{sub 6}] octahedra. Of the seven crystallographically independent halide sites in this anion, one and five are occupied by Cl and I, respectively, the remaining one has mixed-iodide and -chloride occupancy. The title yellow compound has an optical bandgap of 2.59 eV, and the variable-temperature magnetic susceptibility measurement indicates paramagnetic behavior. - Graphical abstract: Based upon magnetic metal-organic complex as template, a novel one-dimensional haloplumbate containing mixed-halide anion has been successfully synthesized. Its structural characteristics, optical bandgap, magnetic and thermal properties are reported.
Authors:
 [1] ;  [2] ;  [3]
  1. Key Laboratory for Functional Materials of Fujian Higher Education, Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou, Fujian 362021 (China), E-mail: lqfan@hqu.edu.cn
  2. Key Laboratory for Functional Materials of Fujian Higher Education, Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou, Fujian 362021 (China), E-mail: jhwu@hqu.edu.cn
  3. Key Laboratory for Functional Materials of Fujian Higher Education, Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou, Fujian 362021 (China)
Publication Date:
OSTI Identifier:
21043777
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Solid State Chemistry; Journal Volume: 180; Journal Issue: 12; Other Information: DOI: 10.1016/j.jssc.2007.10.010; PII: S0022-4596(07)00422-7; Copyright (c) 2007 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; ANIONS; BIPYRIDINES; EV RANGE 01-10; LEAD CHLORIDES; LEAD IODIDES; MAGNETIC SEMICONDUCTORS; MAGNETIC SUSCEPTIBILITY; MONOCLINIC LATTICES; MONOCRYSTALS; NICKEL CHLORIDES; NICKEL COMPLEXES; ORGANOMETALLIC COMPOUNDS; PARAMAGNETISM; SODIUM IODIDES; SPACE GROUPS; THERMODYNAMIC PROPERTIES; X-RAY DIFFRACTION