Microporous and photoluminescent chalcogenide zeolite analogs

被引:381
作者
Zheng, NF
Bu, XG
Wang, B
Feng, PY [1 ]
机构
[1] Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA
[2] Univ Calif Santa Barbara, Dept Chem, Santa Barbara, CA 93106 USA
关键词
D O I
10.1126/science.1078663
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Crystalline semiconducting sulfide and selenide zeolite analogs were synthesized that possess four-connected, three-dimensional tetrahedral networks built from tetravalent (M4+=Ge4+ or Sn4+, where M=meta) and trivalent (M3+=Ga3+ or In3+) cations. Microporous materials were obtained in all four combinations of M4+ and M3+, and some of them were thermally stable up to at least 380degreesC. These materials exhibit framework topologies with pore size ranging from 12 to 24 tetrahedral atoms, high surface area, high framework charge density and ion exchange capacity, and tunable electronic and optical properties.
引用
收藏
页码:2366 / 2369
页数:5
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