摘要
有机材料的可变发光在波导和显示应用方面具有广泛的潜力.然而,基于单一有机分子体系实现从可见光到近红外区域的大范围发光调节仍然是一项挑战.本文介绍了一系列基于芘的同构共晶体,可提供从可见光到近红外Ⅱ区的可调发射.它们的能级是通过引入电荷转移和无氟芳烃-全氟芳烃相互作用而定制的.令人印象深刻的是,这项工作中的有机微晶可以成功地应用于微观层面的多色波导以及宏观层面的二维码显示,为先进的光子学开辟了新的道路.这项工作为获得400至1100 nm的有机晶体提供了一种简单而有效的方法,从而为制造多种光电子学的核心材料提供了可能性.
The variable luminescence of organic materials exhibits extensive potential in the application of waveguide and display. Nevertheless, achieving luminescence regulation of a wide range from visible to near-infrared(NIR) regions based on a single organic molecule system remains a challenge.Herein, a series of pyrene-based isomorphic cocrystals is presented, in which energy levels are tailored through modulating arene-perfluoroarene(AP) and charge-transfer(CT)interactions, offering tunable emission from visible to NIR II region. Impressively, these organic microrods in this work were successfully applied to multi-color waveguides at the micro-level as well as displayed by quick response(QR) codes at the macro-level, which pioneer new paths in advanced photonics. This work offers a simple and effective approach to obtain organic crystals with emission from 400 to 1100 nm,thereby opening up possibilities to fabricate core materials for multiple optoelectronics.
作者
夏星宇
吕强
余悦
车宗路
王雪东
廖良生
李述汤
Xing-Yu Xia;Qiang Lv;Yue Yu;Zong-Lu Che;Xue-Dong Wang;Liang-Sheng Liao;Shuit-Tong Lee(Jiangsu Key Laboratory for Carbon-Based Functional Materials&Devices,Institute of Functional Nano&Soft Materials(FUNSOM),Soochow University,Suzhou 215123,China;Macao Institute of Materials Science and Engineering,Macao University of Science and Technology,Macao SAR 999078,China)
基金
supported by the National Natural Science Foundation of China (21971185 and 52173177)
the Natural Science Foundation of Jiangsu Province (BK20230010 and BK20221362)
the Science and Technology Support Program of Jiangsu Province (TJ-2022-002)
funded by the Collaborative Innovation Center of Suzhou Nano Science&Technology
the 111 Project
the Joint International Research Laboratory of Carbon-Based Functional Materials and Devices
Soochow University Tang Scholar。
