A low-temperature synthesis of monoclinic VO2 in an atmosphere of air

作者：Zou, Jian^*; Peng, Yungui; Lin, Hua

来源：Journal of Materials Chemistry A, 2013, 1(13): 4250-4254.

DOI：10.1039/c3ta01494k

• THERMOCHROMIC PROPERTIES
• TRANSITION
• FILMS

Monoclinic vanadium dioxide (VO2) particles are prepared via the thermolysis of a vanadyl ethylene glycolate precursor in an atmosphere of air. Monoclinic VO2 particles can be obtained at temperatures above 170 degrees C in an oven. The synthetic VO2 product exhibits high crystallinity and features a pure monoclinic phase and composition. The expected metal-insulator transition at around 68 degrees C is revealed by differential scanning calorimetry, variable-temperature X-ray diffraction and temperature-dependent resistance curves. The exothermic decomposition of the precursor elevates the temperature of the sample and results in a final sample consisting of monoclinic VO2 and having a high crystallinity at room temperature.

• 出版日期2013
• 单位西南大学