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Updated: Dec 27, 2025

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通过固态NMR光谱测定CsPbBr3的表面终结

Yunhua Chen1,2, Sara R Smock3, Anne H Flintgruber1

  • 1U.S. DOE Ames Laboratory, Ames, Iowa 50011, United States.

Journal of the American Chemical Society
|March 3, 2020
PubMed
概括

固态核磁共振光谱揭示了合物矿量子点 (QD) 的表面结构. 这项研究证实了CsBr终结和联体结合,进步了光电子材料的理解.

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NMR Spectroscopy of Benzene Derivatives01:34

NMR Spectroscopy of Benzene Derivatives

Simple unsubstituted benzene has six aromatic protons, all chemically equivalent. Therefore, benzene exhibits only a singlet peak at δ 7.3 ppm in the 1H NMR spectrum. The observed shift is far downfield because the aromatic ring current strongly deshields the protons. Any substitution on the benzene ring makes the aromatic protons nonequivalent, and the protons split each other. The peak is, therefore, no longer a singlet and the splitting pattern and their associated coupling...
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