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缺陷工程以实现光稳定的宽带间金属化物洛夫斯基特

Samuele Martani1, Yang Zhou1, Isabella Poli1

  • 1Center for Nano Science and Technology @Polimi, Istituto Italiano di Tecnologia, via Rubattino 81, 20134 Milano, Italy.

ACS energy letters
|June 16, 2023
PubMed
概括

研究人员通过用锡取代,开发出稳定的金属化物矿,防止光引起的带隙移位. 这一创新增强了它们在太阳能电池和光电子产品中的使用.

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Imperfections in Crystal Structure: Non-Stoichiometric Defects01:29

Imperfections in Crystal Structure: Non-Stoichiometric Defects

Non-stoichiometric defects refer to a type of defect in the crystal structure of a compound where the ratio of its constituent elements deviates from the ideal stoichiometric ratio. There are two main types of non-stoichiometric defects: metal excess defects and metal deficiency defects.Metal excess defects occur when there is a slight surplus of metal ions than what is required by the stoichiometric ratio of the compound. For example, heating a sodium chloride crystal in sodium vapor results...