Sol–gel preparation of low oxygen content, high surface area silicon nitride and imidonitride materials?
Dalton Transactions Pub Date: 2016-02-24 DOI: 10.1039/C5DT04961J
Abstract
Reactions of Si(NHMe)4 with ammonia are effectively catalysed by small ammonium triflate concentrations, and can be used to produce free-standing silicon imide gels. Firing at various temperatures produces amorphous or partially crystallised silicon imidonitride/nitride samples with high surface areas and low oxygen contents. The crystalline phase is entirely α-Si3N4 and structural similarities are observed between the amorphous and crystallised materials.
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Journal Name：Dalton Transactions
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CAS no.: 89640-58-4
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