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Updated: Jun 12, 2026

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对SnO2的缺陷工程通过等离子喷雾提高了NO2气体敏感性

Tao Wang1, Quan Xing1, Ruixiong Zhai1

  • 1Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China.

ACS sensors
|May 23, 2024
PubMed
概括

新的二氧化 (SnO2) 纳米粉在低温下有效检测二氧化 (NO2). 气体传感材料的这种进步为关键的环境监测提供了高灵敏度和选择性.

关键词:
在SnO2的基础上.可调节的缺陷纳米粉末的使用方法氧气空缺的地方.血喷方法是用血喷的方式.有选择性的NO2传感器.

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Imperfections in Crystal Structure: Stoichiometric Point Defects01:26

Imperfections in Crystal Structure: Stoichiometric Point Defects

Schottky defects arise when some lattice points in a crystal, such as those in NaCl, remain unoccupied, creating lattice vacancies without disturbing the overall electrical neutrality of the crystal. This defect is common in ionic crystals where the positive and negative ions are similar in size, as seen in sodium chloride and cesium chloride. The presence of Schottky defects enables the crystal to conduct electricity to a small extent through an ionic mechanism. Electric fields cause nearby...