Fig. 1. Simulation results
(a): Contours of temperature fields; (b): Temperature distributions on the surfaces under various laser power; (c): Temperature on the ZnO precursor heated by n lasers

Fig. 2. LVSP growth device
(a): Laser-induced vapor growth device for microcrystal; (b): Growth platform

Fig. 3. Growth process, morphology, and Raman spectrum of ZnO microrod
(a): Photograph of growth process of microcrystal; (b): Raman spectrum of ZnO microrod; (c), (d): SEM morphology of ZnO microrods

Fig. 4. PL spectra of ZnO
(a): PL spectrum of ZnO microrod, single-crystal and microtube; (b): PL spectra of ZnO microrods varying with temperature

Fig. 5. Temperature-dependent PL spectra of ZnO microrod
(a): PL intensity of FX→NBE, FA→NBE, DAP as a fitting curve of temperature;(b): Peak energy of FX, FA, and DAP as a fitting curve of temperature