两性短链氨基酸配体钝化的高效高稳定近红外FAPbI3量子点的室温合成

IF 3.3 3区物理与天体物理 Q2 OPTICS

Journal of Luminescence Pub Date : 2025-05-08 DOI:10.1016/j.jlumin.2025.121281

Wan Hsuan Liao , Yu Ting Tseng , Sheng-Yuan Chu

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引用次数: 0

摘要

在当今科技飞速发展的时代，发光二极管（LED）技术已经成为照明、显示、通信等诸多领域不可或缺的技术。然而，在近红外（NIR）区域开发高效光源是一个重大挑战。钙钛矿材料由于其典型的光学性质，在这个光谱范围内获得了相当大的兴趣。以小分子氨基酸d -4-叔丁基苯丙氨酸（D4TBP）为原料，在室温下合成了一种高效的钙钛矿近红外光源。这导致成功合成了一个高度稳定的D4TBP-FAPbI3近红外钙钛矿量子点。光致发光量子产率（PLQY）从40%提高到68%，膜的接触角从65.36°提高到93.87°，显著提高了环境稳定性。

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Room-temperature synthesis of high-efficiency and high-stability near-infrared FAPbI3 quantum dots passivated with zwitterionic short-chain amino acid ligands

In the contemporary era of rapid technological advancement, light-emitting diode (LED) technology has become indispensable in many fields, including lighting, display, and communication. Nevertheless, developing efficient light sources in the near-infrared (NIR) region presents a significant challenge. Perovskite materials have garnered considerable interest in this spectral range due to their exemplary optical properties. An efficient perovskite near-infrared light source was synthesized at room temperature by utilizing the small molecule amino acid D-4-tert-butylphenylalanine (D4TBP). This resulted in successfully synthesizing a highly stable D4TBP-FAPbI₃ near-infrared perovskite quantum dot. The photoluminescence quantum yield (PLQY) increased from 40 % to 68 %, and the film's contact angle improved from 65.36° to 93.87°, significantly enhancing its environmental stability.

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来源期刊

Journal of Luminescence 物理-光学

CiteScore

6.70

自引率

13.90%

发文量

850

审稿时长

3.8 months

期刊介绍： The purpose of the Journal of Luminescence is to provide a means of communication between scientists in different disciplines who share a common interest in the electronic excited states of molecular, ionic and covalent systems, whether crystalline, amorphous, or liquid. We invite original papers and reviews on such subjects as: exciton and polariton dynamics, dynamics of localized excited states, energy and charge transport in ordered and disordered systems, radiative and non-radiative recombination, relaxation processes, vibronic interactions in electronic excited states, photochemistry in condensed systems, excited state resonance, double resonance, spin dynamics, selective excitation spectroscopy, hole burning, coherent processes in excited states, (e.g. coherent optical transients, photon echoes, transient gratings), multiphoton processes, optical bistability, photochromism, and new techniques for the study of excited states. This list is not intended to be exhaustive. Papers in the traditional areas of optical spectroscopy (absorption, MCD, luminescence, Raman scattering) are welcome. Papers on applications (phosphors, scintillators, electro- and cathodo-luminescence, radiography, bioimaging, solar energy, energy conversion, etc.) are also welcome if they present results of scientific, rather than only technological interest. However, papers containing purely theoretical results, not related to phenomena in the excited states, as well as papers using luminescence spectroscopy to perform routine analytical chemistry or biochemistry procedures, are outside the scope of the journal. Some exceptions will be possible at the discretion of the editors.