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量子フォトイニシアター:新興フォトキュアリングアプリケーションへ

Nir Waiskopf1, Shlomo Magdassi1, Uri Banin1

  • 1The Institute of Chemistry and The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Jerusalem, 91904, Israel.

Journal of the American Chemical Society
|December 23, 2020
PubMed
まとめ

半導体ナノ結晶 (量子PI) は,ラジカルポリメリゼーションのための高度なフォトイニシアターです. 最近の改良により,材料科学やナノテクノロジーにおけるより広範な応用のための効率が向上しています.

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Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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The absorption of UV–visible light by conjugated systems causes the promotion of an electron from the ground state to the excited state. Consequently, photochemical electrocyclic reactions proceed via the excited-state HOMO rather than the ground-state HOMO. Since the ground- and excited-state HOMOs have different symmetries, the stereochemical outcome of electrocyclic reactions depends on the mode of activation; i.e., thermal or photochemical.
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