Zhong Wencheng, Shang Li
State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU) Xi'an 710072 China
Research & Development Institute of Northwestern Polytechnical University in Shenzhen Shenzhen 518057 China.
Chem Sci. 2024 Mar 25;15(17):6218-6228. doi: 10.1039/d4sc00114a. eCollection 2024 May 1.
The dynamic optical response properties and the distinct features of nanomaterials make photoswitchable fluorescent nanoparticles (PF NPs) attractive candidates for advanced optical applications. Over the past few decades, the design of PF NPs by coupling photochromic and fluorescent motifs at the nanoscale has been actively pursued, and substantial efforts have been made to exploit their potential applications. In this perspective, we critically summarize various design principles for fabricating these PF NPs. Then, we discuss their distinct optical properties from different aspects by highlighting the capability of NPs in fabricating new, robust photoswitch systems. Afterwards, we introduce the pivotal role of PF NPs in advanced optical applications, including sensing, anti-counterfeiting and imaging. Finally, current challenges and future development of PF NPs are briefly discussed.
纳米材料的动态光学响应特性和独特特征使光开关荧光纳米颗粒（PF NPs）成为先进光学应用中极具吸引力的候选材料。在过去几十年里，通过在纳米尺度上耦合光致变色和荧光基序来设计PF NPs的工作一直在积极开展，并且已经做出了大量努力来开发它们的潜在应用。从这个角度出发，我们批判性地总结了制备这些PF NPs的各种设计原则。然后，我们通过强调纳米颗粒在构建新型、稳健的光开关系统中的能力，从不同方面讨论它们独特的光学性质。之后，我们介绍了PF NPs在先进光学应用中的关键作用，包括传感、防伪和成像。最后，简要讨论了PF NPs当前面临的挑战和未来的发展。
