Nanosized zeolites have been fascinating the world of science during the last two decades due to their unique properties. The reduction of zeolite size from micrometer to nanometer scale leads to substantial changes in their properties and thus it is expected to provide materials with completely new properties. This presentation will give a vivid look on the use of various techniques for synthesis of zeolite nanocrystals with controlled size, stability, morphology and possibility for increased crystalline yield and scale up processes. Green strategies for preparation of zeolites including direct transformation of natural sources into synthetic zeolites, template-free low temperature synthesis, seeded growth, multi-step, microwave-assisted, ultrasonic-assisted and ionothermal synthesis approaches will be presented. Besides, the new developments in zeolite synthesis are expected to broaden their applications in the fields of green and fine chemicals, medicine, pharmaceutical and food industry and nanotechnology.

TEM images of nanosized zeolite Y synthesized from biomass ash.