期刊
RSC ADVANCES
卷 5, 期 36, 页码 28105-28110出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra01395j
关键词
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资金
- National Natural Science Foundation of China [61274068, 61404058]
- Chinese National Programs for High Technology Research and Development [2013AA030902]
- Science and Technology Plan of Changchun City [14KG020, 13KG49]
- Jilin Postdoctoral Sustentation Fund, China [RB201371]
In this work, novel bowl-like TiO2 submicron scale particles were prepared via a simple electrospray technique combined with high-temperature calcination. The morphologies of the particles are easily controlled by changing the TBT content (16 wt%, 23 wt%, 30 wt%, 37 wt%) in the precursor solutions. To improve the xylene sensing properties of the TiO2, appropriate Ni amounts (0, 2, 4, and 6 mol% doping) were doped into the bowl-like particles. Among them, the 2 mol% Ni doped TiO2 bowl-like particles show the lowest optimum working temperature and highest response while demonstrating a fast response (9 s) and recovery speed (1.2 s) to 100 ppm xylene gas.
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