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Updated: Jun 15, 2026

Photogeneration of N-Heterocyclic Carbenes: Application in Photoinduced Ring-Opening Metathesis Polymerization
12:19

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Published on: November 29, 2018

通过单分子光光谱学探测的分子内pi堆叠的 perylenediimides 的排泄物形成动态

Hyejin Yoo1, Jaesung Yang, Andrew Yousef

  • 1Spectroscopy Laboratory for Functional pi-Electronic Systems and Department of Chemistry, Yonsei University, Seoul 120-749, Korea.

Journal of the American Chemical Society
|February 27, 2010
PubMed
概括

在有机电子学中,pi堆叠的 perylenediimides (PDIs) 是有前途的. 它们的光揭示了分子堆叠和构造如何影响电子性质,适用于生物分子研究.

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Ideally, an unpaired electron shows a single peak in the EPR spectrum due to the transition between the two spin energy states. However, coupling interactions can occur between the spins of the unpaired electron and any neighboring spin-active nuclei. This hyperfine coupling results in hyperfine splitting, where the EPR signal is split into multiplets. The signals split into 2nI + 1 peaks, where n is the number of equivalent nuclei and I is the nuclear spin. These splitting patterns provide...