Journal
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volume 28, Issue 4, Pages 3264-3271Publisher
SPRINGER
DOI: 10.1007/s10854-016-5918-y
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Funding
- National Natural Science Foundation of China [31470584]
- Fundamental Research Funds for the Central Universities [2572015AB06]
- China Scholarship Council [201506600013]
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Molybdenum trioxide (MoO3) films with optical properties were successfully grown on wood substrates using a low-temperature hydrothermal method. Scanning electron microscopy analysis shows that MoO3 thin films were composed of rods-like microstructures and the rod sizes increased as the initial pH value of the solution increased. X-ray diffraction studies indicate crystallinity was greatly improved by increasing the pH value of the precursor solution. Raman spectrum, X-ray photoelectron spectroscopy, and Fourier transform infrared spectroscopy analysis further proves that pure MoO3 films could be grown on a wood substrate. The UV-Vis analysis suggests that the films exhibited better in response to UV light. The band gap energy estimated from the Kubelka-Munk function was found to be in the range of 2.847-2.974 eV. The results from thermogravimetric analysis and differential scanning calorimetry experiments imply that the films possessed good thermal stability.
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