- This book contain history part of review for nanotechnology, synthesis of nanoparticles and effet of particle size on different properties as well as aqueous solution techniques parameters for synthesis this nanoparticles. - Most authentic references are cited here. - This book will be unique among all because it contains not only review in nanotechnology - basic theory, size dependant properties, different synthesis procedure, but also contains practical parameters for synthesis of tin selenide nanoparticles investigated by author with trial and error process.