The 87th volume of the journal includes peer-reviewed articles dedicated to recent research results in the synthesis, properties and application techniques of nanoscaled materials for various engineering and technological purposes. The photocatalytic application, micro- and optoelectronics, photovoltaic and plasmonic devices, etc., are the research topics highlighted here. The collected articles will be helpful to many specialists from various industrial branches whose activity is related to nanomaterials and nanotechnologies.