Inorganic–organic hybrid with one-dimensional face-sharing iodoplumbate chain showing novel dielectric anomaly and semiconductor emission

2014 ◽  
Vol 46 ◽  
pp. 29-32 ◽  
Author(s):  
Yan-Jun She ◽  
Shun-Ping Zhao ◽  
Zheng-Fang Tian ◽  
Xiao-Ming Ren
2009 ◽  
Vol 74 (7) ◽  
pp. 755-764 ◽  
Author(s):  
Wen-Tong Chen ◽  
Xiao-Niu Fang ◽  
Qiu-Yan Luo ◽  
Ya-Ping Xu

A novel bimetallic 4f-3d metal-isonicotinic acid inorganic-organic hybrid complex [{Eu(NC5H4COOH)3(H2O)2}(1.5ZnCl4)?(2H2O)]n (1) was synthesized via a hydrothermal reaction and structurally characterized by single- crystal X-ray diffraction. Complex 1 crystallizes in the space group C2/c of the monoclinic system with eight formula units in a cell: a = 23.878(8) ?, b = 20.573(6) ?, c = 15.358(5) ?, ? = 127.276(5)?, V = 6003(3) ?3, C18H23Cl6EuN3O10Zn1.5, Mr = 904.11 g/mol, ? = 2.001 g/cm3, S = 1.077, ?(MoK?) = 3.846 mm-1, F(000) = 3536, R = 0.0270 and wR = 0.0672. Complex 1 has a characteristic, one-dimensional polycationic chain-like structure. A photoluminescent investigation revealed that the title complex displays intense emissions in the orange and red regions. The luminescence spectra show that the red emission is stronger than the orange emission. Optical absorption spectra of 1 revealed the presence of an optical gap of 3.56 eV.


2016 ◽  
Vol 40 (10) ◽  
pp. 8664-8672 ◽  
Author(s):  
Kun-Ming Wan ◽  
Yuan-Bo Tong ◽  
Li-Li Li-Li ◽  
Yang Zou ◽  
Hai-Bao Duan ◽  
...  

An imidazolium-based bromoplumbate hybrid solid shows fascinating luminescence thermochromism, appealing dielectric anomaly and relaxation.


2010 ◽  
Vol 63 (9) ◽  
pp. 1389 ◽  
Author(s):  
Dongying Du ◽  
Junsheng Qin ◽  
Shunli Li ◽  
Yaqian Lan ◽  
Xinlong Wang ◽  
...  

Three polyoxometalate-based inorganic–organic hybrid compounds, namely nanoclusters [Cu(en)2H2O]3[(α-SiW11O39)Nd(H2O)(η2,μ-1,1)-CH3COO]·3.5H2O (1) and [Cu(en)2H2O]3[(α-SiW11O39)Sm(H2O)(η2,μ-1,1)-CH3COO]·3H2O (2), and 1D H2[Cu(en)2H2O]8[Cu(en)2]3[{(α-SiW11O39)Ce(H2O)(η2,μ-1,1)-CH3COO}4]·22H2O (3) (en = 1,2-ethylenediamine) have been isolated. 1 and 2 are isomorphic and consist of [(α-SiW11O39)Ln(H2O)(η2,μ-1,1)-CH3COO]6– polyanions modified by [Cu(en)2H2O]2+ fragments. In 3, [Cu(en)2H2O]2+ are grafted on [(α-SiW11O39)Ce(H2O)(η2,μ-1,1)-CH3COO]6– polyanions and further connected by [Cu(en)2]2+ groups, representing the first example in polyoxometalate chemistry of a 1D ladder-like polyanion chain consisting of monovacant Keggin-type polyanions, lanthanide complexes and transition metal complexes. In these compounds, copper complexes coordinate to not only terminal O atoms but also bridging O atoms of the polyanions. Magnetic studies of 1 and 3 reveal weak antiferromagnetic interactions exist in them.


ChemInform ◽  
2011 ◽  
Vol 42 (23) ◽  
pp. no-no
Author(s):  
Jiayin Yuan ◽  
Youyong Xu ◽  
Axel H. E. Mueller

2017 ◽  
Author(s):  
Hai Yan ◽  
Xiaochuan Xu ◽  
Chi-Jui Chung ◽  
Harish Subbaraman ◽  
Zeyu Pan ◽  
...  

2016 ◽  
Vol 41 (23) ◽  
pp. 5466 ◽  
Author(s):  
Hai Yan ◽  
Xiaochuan Xu ◽  
Chi-Jui Chung ◽  
Harish Subbaraman ◽  
Zeyu Pan ◽  
...  

2011 ◽  
Vol 40 (2) ◽  
pp. 640 ◽  
Author(s):  
Jiayin Yuan ◽  
Youyong Xu ◽  
Axel H. E. Müller

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