聚合物近红外光热转换

贺泳霖; 王亚培

doi:10.11777/j.issn1000-3304.2018.18236

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聚合物近红外光热转换

专论 | 更新时间：2021-01-26

- 聚合物近红外光热转换
- Near-infrared Photothermal Conversion Based on Polymer Materials
- 高分子学报 2019年50卷第2期页码：102-108
- 作者机构：
  
  中国人民大学化学系　北京 100872
- 作者简介：
  
  [ "王亚培，男，1981年出生. 2004年毕业于吉林大学化学学院，获得学士学位，同年保送到清华大学化学系，并于2009年获得清华大学理学博士学位，师从张希院士. 2009 ~ 2011年在北卡罗来纳大学教堂山分校从事博士后研究，导师为Joseph M. DeSimone院士. 2012年2月加入中国人民大学化学系，担任特聘研究员，2015年7月晋升为教授. 主要从事近红外光热转换聚合物材料的开发及其相关医学应用的研究" ]
- 基金信息：
  
  国家自然科学基金(基金号 21825503, 21674127)资助项目()
- DOI：10.11777/j.issn1000-3304.2018.18236
  中图分类号：
- 纸质出版日期：2019-2，
  
  网络出版日期：2018-12-28，
  
  收稿日期：2018-11-8，
  
  修回日期：2018-11-28，
扫描看全文
贺泳霖, 王亚培. 聚合物近红外光热转换[J]. 高分子学报, 2019,50(2):102-108.

Yong-lin He, Ya-pei Wang. Near-infrared Photothermal Conversion Based on Polymer Materials[J]. Acta Polymerica Sinica, 2019,50(2):102-108.
贺泳霖, 王亚培. 聚合物近红外光热转换[J]. 高分子学报, 2019,50(2):102-108. DOI： 10.11777/j.issn1000-3304.2018.18236.

Yong-lin He, Ya-pei Wang. Near-infrared Photothermal Conversion Based on Polymer Materials[J]. Acta Polymerica Sinica, 2019,50(2):102-108. DOI： 10.11777/j.issn1000-3304.2018.18236.

摘要

近红外光因其在太阳光中较高的能量占比而来源丰富，同时兼具对生物组织的强穿透能力，因此在能源、医疗等领域具有重要的应用价值. 基于振动弛豫和内转换的非辐射跃迁能够将光能转换成热能，成为高效利用近红外光的一种新途径. 本文基于课题组近几年在光热转换领域的进展突破，总结了一些将近红外光应用于功能化聚合物体系的研究实例，主要包括利用近红外光远程调控聚合物相变、近红外光传感、可植入电子器件的能量供给等，并对其中相关的科学问题和解决策略展开论述.

Abstract

Near-infrared (NIR) light occupies a large proportion of sunlight and possesses unique advantages of deep penetration into biological tissues and high maximum permissible exposure to the laser. Therefore

the utilization of NIR light is of great significance in the areas of energy

medical imaging

and photo-therapy. However

the utilization of near-infrared light based on traditional mechanisms

such as photochemistry and photoelectricity

is usually very low owing to the fast vibrational relaxation and internal transformation in these wave ranges. Upconversion and two-photon absorption can convert NIR light into light with shorter wavelength but these two methods often rely on high-power light source irradiation

and the conversion efficiency of NIR light is low. On the basis of the mechanism of non-irradiation transition

polymer-based photothermal conversion plays a novel role in efficient utilization of NIR light. In this work

recent progresses of our group in the applications of near-infrared photothermal conversion materials

especially polymer materials

are reviewed. Firstly

the concept of photoannealing is proposed on the basis of photothermal conversion. In contrast to the conventional annealing process

such as solvent annealing and thermal annealing

photoanealing process of polymer has the advantages of good spatial selectivity and biocompatibility. It has been applied to the remote control of particle shape

volume

and porosity in organism

which can serve as a powerful tool for the noninvasive treatment. Besides

flexible

self-repairing

and highly sensitive near-infrared light sensors are prepared by combining photothermal materials with thermal fluids. The resultant NIR sensing fluids have better sensitivity than the commercial NIR sensing semiconductor does

and they can be combined with the inkjet printing technology to achieve low-cost production with high throughput. Finally

the conjugated polymer with multiple intramolecular hydrogen bonds and Donor-Acceptor structure is designed to achieve good absorption in the NIR-II region

which has deeper penetration than light in NIR-I region does. This special polymer has been used for remote power supply for implantable electronic devices through energy coupling.

关键词

聚合物近红外光光热转换

Keywords

Polymer materialsPhotothermal conversionNear-infrared light

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