Poly(imidogallane): Synthesis of a crystalline 2-D network solid and its pyrolysis to form nanocrystalline gallium nitride in supercritical ammonia

被引：30

作者：

Jegier, JA

McKernan, S

Gladfelter, WL ^{[1
]}

机构：

[1] Univ Minnesota, Dept Chem, Minneapolis, MN 55455 USA

[2] Univ Minnesota, Ctr Interfacial Engn, Minneapolis, MN 55455 USA

来源：

CHEMISTRY OF MATERIALS | 1998年 / 10卷 / 08期

关键词：

D O I：

10.1021/cm980257k

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In supercritical ammonia, the stepwise dehydrogenation of [H2GaNH2](3) to nanocrystalline GaN at 150 degrees C requires several hours and proceeds through the new crystalline 2-D polymeric compound, poly(imidogallane), [HGaNH](n), which can be isolated in high yield after 30 min of reaction. Use of ND3 results in rapid exchange of the NH2 ligands in [H2GaNH2](3) with ND2, even at -33 degrees C, suggesting that a donor-acceptor complex, H2Ga(NH2)(NH3), is present in solution.

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页码：2041 / +

页数：4

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