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Synthesis of Mn 2þ -activated zinc silicate phosphor using the combustion method is described. An efficient phosphor can be prepared by this method at reaction temperatures as low as 500 C in a few minutes. The phosphor so prepared is compared with those prepared by other methods such as sol-gel and CGUPS.

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Silicate based bioceramics are promising candidates as biomaterials for tissue engineering. The combustion synthesis method provides control on the morphology and particle size of the synthesized material. This paper discusses the combustion synthesis of akermanite (Ca 2 MgSi 2 O 7 and Sr 2 MgSi 2 O 7), which has been shown to have good in vitro and in vivo bioactivities by earlier studies. Both Ca 2 MgSi 2 O 7 and Sr 2 MgSi 2 O 7 have akermanite structure. Ca 2 MgSi 2 O 7 and Sr 2 MgSi 2 O 7 were prepared using urea and ammonium nitrate. The combustion synthesis using urea and ammonium nitrate was found to be cost effective and efficient method of synthesis. The photoluminescence study of Ca 2 MgSi 2 O 7 : Eu 2+ and Sr 2 MgSi 2 O 7 : Eu 2+ shows host specific intense emission of Eu 2+ .