With the further increase of laser power,the temperature of nanowires increased further at the same time, tungsten trioxide nanowires underwent a phase transition from monoclinic to orthorhombic.

• 随着激光功率的进一步增大,纳米线温度进一步升高,三氧化钨纳米线由开始的单斜相向正交相结构过渡。