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Articles by Hai-Jun Pang
Total Records ( 2 ) for Hai-Jun Pang
  Hai-Jun Pang , Chun-Jing Zhang , Ya-Guang Chen and Dong-Mei Shi
  A new 3-D supramolecular compound based on a Keggin polyoxometalate and lanthanide (Ln) coordination cations [Ce(H2O)3L3]2[HSiMo12O40]2[L] ⋅ 7H2O (1) (L = isonicotinic acid) has been synthesized and characterized by routine methods. Compound 1 has a water chain with trimeric and hexameric water clusters trapped in the network. The isonicotinic acid plays a key role in forming the 1-D water chains. Compound 1 shows intense photoluminescence at room temperature.
  Chun-Jing Zhang , Hai-Jun Pang , Da-Pang Wang and Ya-Guang Chen
  [Co(bipy)3]3[{Co(bipy)2(H2O)}2{H3W12O40}2] · H2O (1) and [H2bipy]0.5[{Cu(bipy)2}2{H3W12O40}] · H2O (2) (bipy = 2,2'-pyridine) have been hydrothermally synthesized and characterized by single-crystal X-ray diffraction, elemental analyses, IR spectra, and TG analyses. In 1, there exist supramolecular left/right-helical chains constructed by [Co1(bipy)3]2+ and these chains perpendicularly interact with a series of parallel POM double-chains composed of [{Co(bipy)2(H2O)}2{H3W12O40}2]6- anions and [Co2(bipy)3]2+ cations forming a 3-D supramolecular network. In 2, there also exist supramolecular left-/right-helical chains constructed by [{Cu(bipy)2}2{H3W12O40}]- fragments. Furthermore, these left-/right-helical chains are linked together via H-bonds forming interesting enantiomorphous chiral layers. Electrochemical properties of these compounds have been studied.
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