One-step ball milling synthesis of VO2 (M) nanoparticles with exemplary thermochromic performance

Abstract Vanadium dioxide (VO 2 ) has demonstrated highly potential for smart windows because of its thermochromic property. This study represents the development a facile but efficient method synthesis VO (M) nanoparticles by ball milling under ambient conditions, without release waste liquid or gases. The key variables related to synthesis, including time and molar ratio raw materials, have been investigated. It was found that pure-phase with sizes particles ranged from 20 50 nm relatively good dispersivity could be prepared optimizing process parameters. For practice use decrease phase transition temperature, elemental W doping amount at.%, V 1−x x O were also studied, their glass coating exhibits high performance luminous transmittance ( T lum 44.18%, solar regulation efficiency ∆T sol 9.64%, critical temperature c ~ 42 °C. work demonstrates green promising fabricate large scale windows.