In this volume are collected peer-reviewed papers which present the latest research results in the field of nanomaterials and nanotechnologies. Nanomaterials as photocatalysts for pollutant photodegradation, the electrochemical properties of mesoporous silica nanoparticles as excellent candidates for applications in supercapacitors and fuel cells, modification of raw pumice with nanocarbon black and borax for the synthesis of thermal insulation material, protective multilayer nano-coating and bending performance of composite nanobeam are the topics of this journal's volume. The presented edition will be helpful to a wide range of specialists from many branches of production.