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Porous Single-Crystalline TaON and Ta 3 N 5 Particles

2004; American Chemical Society; Volume: 16; Issue: 9 Linguagem: Inglês

10.1021/cm0347887

1520-5002

Daling Lu, Go Hitoki, Emi Katou, Junko N. Kondo, Masahiko Hara, Kazunari Domen,

Advanced Photocatalysis Techniques

A pseudomorphous and topotactic solid-state transformation of Ta2O5 by reaction with NH3 at 850 °C is used to produce TaON as well as Ta3N5 powders consisting of porous single-crystalline particles. The pore diameter is 10−20 nm.