Publications by authors named "Shuhei Nakakura"

Hexagonal cesium tungsten bronze (CsWO) nanoparticles (NPs) have attracted attention for their potential applications in near-infrared (NIR) absorbing materials. However, the insufficient Cs doping in CsWO NPs has limited their NIR absorbing capabilities and practical stability. In this study, we demonstrate the transition pathway from intermediate W-defective CsWO NPs synthesized by flame spray pyrolysis to cationic (Cs, W)-disordered CsWO NPs prepared through appropriate heat treatments.

View Article and Find Full Text PDF

Cesium tungsten bronzes (CsWO) have attracted much attention as a near-infrared absorbing material. We report the successful synthesis of highly crystalline and high purity CsWO nanoparticles through a spray pyrolysis route. Careful analyses disclosed the presence of cationic defects, that is, a tungsten deficiency and insufficient Cs doping in the CsWO nanoparticles.

View Article and Find Full Text PDF