Fluorescent carbon dots in solid-state: From nanostructures to functional devices

IF 9.1 2区 化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR
Junkai Ren, Luigi Stagi, Plinio Innocenzi
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引用次数: 61

Abstract

In recent years, carbon dots (CDs) have attracted considerable attention for their potential application in photonics and optoelectronics. One of the main limitations in realizing efficient and reliable solid-state devices is the aggregation-caused quenching effect. At a short distance, the mutual interaction among nanoparticles enhances the non-radiative mechanisms, undermining the extraordinary optical properties of CDs. In this review, we have critically analyzed the main strategies for maintaining and empowering the optical properties of CDs from liquid to solid-state. These routes include the preparation of self-quenching-resistant fluorescent CDs and the embedding into different matrices. The material processing and the nature of the chemical environment surrounding the CDs are key parameters for selecting an optically transparent matrix. An optimized host material would preserve the fundamental properties of CDs, but also improve their performances extending the application field. Many types of matrices for CDs have been tested, such as polymers, organic-inorganic hybrid materials, mesoporous and layered materials. Besides, unconventional host materials have also used as a matrix, e.g. acid molecules condensates and inorganic salts. The successful use of CDs is highly relying on their incorporation into a solid-state matrix.

Abstract Image

固态荧光碳点:从纳米结构到功能器件
近年来,碳点在光子学和光电子学领域的潜在应用引起了人们的广泛关注。实现高效可靠的固态器件的主要限制之一是聚集引起的淬火效应。在短距离内,纳米粒子之间的相互作用增强了CDs的非辐射机制,破坏了CDs非凡的光学性质。在这篇综述中,我们批判性地分析了保持和增强CDs从液态到固态光学特性的主要策略。这些途径包括制备抗自猝灭荧光CDs和嵌入不同的基质。材料加工和cd周围化学环境的性质是选择光学透明矩阵的关键参数。优化后的宿主材料既能保持cd的基本特性,又能提高其性能,拓展其应用领域。已经测试了许多类型的CDs基质,如聚合物、有机-无机杂化材料、介孔材料和层状材料。此外,非常规的基质材料也被用作基质,例如酸分子凝聚物和无机盐。cd的成功使用高度依赖于它们与固态矩阵的结合。
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来源期刊
Progress in Solid State Chemistry
Progress in Solid State Chemistry 化学-无机化学与核化学
CiteScore
14.10
自引率
3.30%
发文量
12
期刊介绍: Progress in Solid State Chemistry offers critical reviews and specialized articles written by leading experts in the field, providing a comprehensive view of solid-state chemistry. It addresses the challenge of dispersed literature by offering up-to-date assessments of research progress and recent developments. Emphasis is placed on the relationship between physical properties and structural chemistry, particularly imperfections like vacancies and dislocations. The reviews published in Progress in Solid State Chemistry emphasize critical evaluation of the field, along with indications of current problems and future directions. Papers are not intended to be bibliographic in nature but rather to inform a broad range of readers in an inherently multidisciplinary field by providing expert treatises oriented both towards specialists in different areas of the solid state and towards nonspecialists. The authorship is international, and the subject matter will be of interest to chemists, materials scientists, physicists, metallurgists, crystallographers, ceramists, and engineers interested in the solid state.
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