文章信息/Info

Title:

Research Progress on Magnetically Responsive Smart Optical Nanomaterials

文章編號:

16743962(2019)12119906

作者:

吳之怡; 張城城; 李超然; 何樂

（蘇州大學(xué) 功能納米與軟物質(zhì)研究院 江蘇省碳基功能材料與器件重點實驗室，江蘇 蘇州 215000）

Author(s):

WU Zhiyi;  ZHANG Chengcheng;  LI Chaoran;  HE Le

(Jiangsu Key Laboratory for Carbon�睟ased Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215000, China)

關(guān)鍵詞:

智能光學(xué)材料; 磁光效應(yīng); 磁響應(yīng)光子晶體; 磁響應(yīng)液晶; 光功能納米材料

Keywords:

smart optical materials;  magneto�瞣ptical effects;  magnetically responsive photonic crystals;  magnetically responsive liquid crystals;  functional optical nanomaterials

分類號:

O482.55;TB383

DOI:

10.7502/j.issn.1674-3962.202102005

文獻標(biāo)志碼:

A

摘要:

智能光學(xué)納米材料也稱為響應(yīng)性光學(xué)納米材料，是一類能夠響應(yīng)外界刺激產(chǎn)生光學(xué)性質(zhì)變化的新興材料，在國防軍事、顯示、傳感、防偽、人工智能等領(lǐng)域具有廣泛的應(yīng)用前景。其中，以磁場為刺激手段的磁響應(yīng)光學(xué)納米材料因其響應(yīng)速率快、靈敏度高、可逆性好、無接觸式操控等優(yōu)點受到了廣泛的關(guān)注。經(jīng)過研究者們多年的努力，已經(jīng)發(fā)展出多種類型的磁響應(yīng)智能光學(xué)納米材料，實現(xiàn)了利用磁場調(diào)控結(jié)構(gòu)色、透光率、表面等離子共振等多種光學(xué)性質(zhì)，并探索了在多個領(lǐng)域的應(yīng)用。綜述了近年來磁響應(yīng)智能光學(xué)納米材料的研究進展，從磁場調(diào)控球形納米粒子組裝結(jié)構(gòu)和非球形納米粒子取向的原理出發(fā)，分類介紹了調(diào)控單一光學(xué)性質(zhì)的磁響應(yīng)智能光學(xué)納米材料，然后概述了具有多重磁光效應(yīng)的新型智能光學(xué)材料，最后對該領(lǐng)域的挑戰(zhàn)和未來發(fā)展進行了展望。

Abstract:

Smart optical nanomaterials, also known as responsive optical nanomaterials, can allow the modulation of their optical properties in response to external stimuli and thus hold great promise for emerging applications in military camouflage, display, sensing, counterfeiting, artificial intelligence, etc. Among them, magnetically responsive optical nanomaterials have attracted tremendous attention owing to their fast response to external magnetic fields, high sensitivity, full reversibility of tuning, and contactless control. During the past two decades, intensive efforts have been made to develop various types of magnetically responsive optical nanomaterials and explore their applications in diverse areas. These studies have enabled magnetic tuning of different optical properties such as structural color, transmittance, and localized surface plasmon resonance. In this review, we summarize recent advances in the developments of various magnetically-responsive smart optical nanomaterials. Mechanisms of magnetically tuning the structure of colloidal assemblies and the orientation of non-spherical colloids are first introduced. We then describe several examples of magnetically responsive smart optical materials based on magnetic tuning of a single optical property, such as the diffraction, transmittance, and plasmonic excitation. Recent breakthroughs in the development of smart optical materials with multiple magneto�瞣ptical responses are also highlighted. Finally, perspectives in terms of challenges and future research in this area are discussed.