Ultrasonic-assisted synthesis of two new nano-structured 3D lead(II) coordination polymers: Precursors for preparation of PbO nano-structures

被引：53
作者：
Sadeghzadeh, Homa [1 ]
Morsali, Ali [1 ]
Retailleau, Pascal [2 ]
机构：
[1] Tarbiat Modares Univ, Fac Sci, Dept Chem, Tehran, Iran
[2] CNRS, Inst Chim Subst Nat, F-91198 Gif Sur Yvette, France
来源：
POLYHEDRON | 2010年 / 29卷 / 02期
关键词：
Nano-structure; Coordination polymer; Lead(II); Crystal structure; CRYSTAL-STRUCTURE; SONOCHEMICAL SYNTHESIS; FRAMEWORKS; COMPLEX; GROWTH;
D O I：
10.1016/j.poly.2009.10.026
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Nano-structures of two new Pb(II) three-dimensional coordination polymers, [Pb-2(4-pyc)(2)I-2(H2O)](n) (1), {4-Hpyc = 4-pyridinecarboxilic acid} and [Pb(3-pyc)I](n) (2), {3-Hpyc = 3-pyridinecarboxilic acid} were synthesized by sonochemical method. The new nano-structures were characterized by scanning electron microscopy, X-ray powder diffraction, IR spectroscopy and elemental analyses. Compounds 1 and 2 were structurally characterized by single crystal X-ray diffraction and are three-dimensional coordination polymers. The thermal stability of compounds 1 and 2 both their bulk and nano-size were Studied by thermal gravimetric and differential thermal analyses and compared. PbO block-structures were obtained by calcination of the nano-structures of compounds 1 and 2 at 400 degrees C. (C) 2009 Elsevier Ltd. All rights reserved.
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收藏
页码：925 / 933
页数：9
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