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関連する概念動画

Photoelectric Effect02:26

Photoelectric Effect

When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...
Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been developed.
Photoluminescence: Fluorescence and Phosphorescence01:23

Photoluminescence: Fluorescence and Phosphorescence

Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...
Photoluminescence: Applications01:14

Photoluminescence: Applications

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...
Fluorescence and Phosphorescence: Instrumentation01:25

Fluorescence and Phosphorescence: Instrumentation

Fluorometers and spectrofluorometers are two types of instruments used for measuring molecular fluorescence. These instruments differ in how they select excitation and emission wavelengths and the type of light sources they utilize. Fluorometers use absorption interference filters to choose excitation and emission wavelengths. The excitation source in a fluorometer is typically a low-pressure mercury vapor lamp that emits intense lines distributed throughout the ultraviolet and visible regions.

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関連する実験動画

Updated: Jul 6, 2026

A Novel Technique for Generating and Observing Chemiluminescence in a Biological Setting
08:57

A Novel Technique for Generating and Observing Chemiluminescence in a Biological Setting

Published on: March 9, 2017

コンビネトリアル合成による加速されたルミノフォア発見.

Michael S Lowry1, William R Hudson, Robert A Pascal

  • 1Department of Chemistry, Princeton University, Frick Laboratory, Princeton, New Jersey 08544, USA.

Journal of the American Chemical Society
|October 28, 2004
PubMed
まとめ
この要約は機械生成です。

組み合わせテクニックは,新しいイオン型ルミノフォアの発見を加速します. この方法は,移行金属染色体を正確に識別し,材料科学のための並列合成を検証します.

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Direct Imaging of Laser-driven Ultrafast Molecular Rotation
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Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

関連する実験動画

Last Updated: Jul 6, 2026

A Novel Technique for Generating and Observing Chemiluminescence in a Biological Setting
08:57

A Novel Technique for Generating and Observing Chemiluminescence in a Biological Setting

Published on: March 9, 2017

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

科学分野:

  • マテリアルサイエンス 材料科学
  • フォトケミストリー フォトケミストリー
  • コンピューティング・ケミストリー

背景:

  • イオン型ルミノフォールは,高度な光学および電子アプリケーションにおいて極めて重要です.
  • 移行金属染色体の伝統的な合成は,多くの場合時間がかかり,資源が密集しています.
  • 新しいルミノフォアを発見するための効率的な方法の開発は,材料科学の重要な課題です.

研究 の 目的:

  • イオン型ルミノフォアの発見を加速するための新しい組み合わせ方法について報告する.
  • 組み合わせ合成の有効性を検証するために,従来の方法と結果を比較する.
  • 予測モデリングのための分子構造と光物理学的性質の関係を探求する.

主な方法:

  • 移行金属ベースの染色体の迅速な合成のための組み合わせ技術を活用しました.
  • 複合合成された種と伝統的に調製された種間の光物理学的性質の比較分析を行った.
  • 構造-特性関係を調査するために静的密度関数理論 (DFT) の計算を採用した.

主要な成果:

  • 光物理学的特性の強い重複は,組み合わせ合成製品の精度を確認しました.
  • 合成された複合体は,エネルギーギャップ法に従っており,組み合わせアプローチの妥当性を支持しています.
  • DFT計算は,分子構造に基づいた発光行動を予測するための洞察を提供しました.

結論:

  • 結合合成は,イオン型ルミノフォアの発見を加速するための非常に効果的で正確な方法である.
  • 確立された方法論は,新しい移行金属染色体の信頼性の高い識別と特徴付けを可能にします.
  • DFTのようなコンピューティング・メソッドは,新しい発光材料の光物理的性質を予測する有望なことを示している.