基于等离子体增强光致发光的CeYTbF3胶体纳米颗粒单分子检测

IF 0.48 Q4 Physics and Astronomy Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-01-16 DOI:10.1134/S1062873824708511

E. A. Izbasarova, A. R. Gazizov

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引用次数: 0

摘要

本文讨论了利用发光纳米粒子检测溶液中的分子。等离子体纳米粒子由于Purcell效应和Förster效应而改变其光致发光，后者导致发光猝灭。在胶体溶液中模拟这些效应使我们能够确定放大和猝灭的条件，从而为提高基于光致发光的传感器的灵敏度开辟了道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Single Molecule Detection according to Plasmon-Enhanced Photoluminescence in CeYTbF3 Colloidal Nanoparticles

This paper deals with the detection of molecules in a solution using luminescent nanoparticles. Plasmonic nanoparticles change their photoluminescence due to the Purcell and Förster effects, the latter leading to luminescence quenching. Modeling these effects in colloidal solution allows us to determine the conditions of amplification and quenching, which opens the way to improving the sensitivity of sensors based on photoluminescence.

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来源期刊

Bulletin of the Russian Academy of Sciences: Physics Physics and Astronomy-Physics and Astronomy (all)

CiteScore

0.90

自引率

0.00%

发文量

251

期刊介绍： Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular, letters to the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.