Microstructure and gas sensing property of porous spherical In<sub>2</sub>O<sub>3</sub> particles prepared by hydrothermal method

Microstructure and gas sensing property of porous spherical In₂O₃ particles prepared by hydrothermal method

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文摘

•: Porous In₂O₃ nanospheres with controllable size were hydrothermally prepared.
•: Coordinated mechanism of the growth of In₂O₃ nanospheres was proposed.
•: Sensitivity (S_a/S_g) of In₂O₃ material to 1 ppm CH₂O vapor is up to 4.3.
•: Gas sensing reaction in mesoporous caused platforms and steps in response curve.
•: Sensitivity of In₂O₃ increased linearly with CH₂O concentration (1 < C < 100 ppm).