硅包覆碳点基柔性发光太阳能聚光器的制备与性能研究

人工晶体学报 ›› 2024, Vol. 53 ›› Issue (5): 810-817.

硅包覆碳点基柔性发光太阳能聚光器的制备与性能研究

豆永亮¹, 张宇飞¹, 聂诚², 任卫杰¹, 宋凯¹, 孟帅¹, 张瑞¹, 李坤¹, 秦振兴¹, 王凯悦³

1.太原科技大学应用科学学院,山西省光场调控与融合应用技术创新中心,太原 030024;
2.中国电子科技集团第五十三研究所,天津 300300;
3.太原科技大学材料科学与工程学院,太原 030024

收稿日期:2023-10-15 出版日期:2024-05-15 发布日期:2024-05-21
通信作者: 秦振兴,博士,教授。E-mail:qinzx@tyust.edu.cn
作者简介:豆永亮(1998—),河南省人,硕士研究生。E-mail:douyongliang1998@163.com
基金资助:
山西省基础研究计划项目(202103021224268,20210302123221,202203021221146,202203021222207);山西省科技创新人才团队专项资助(202204051001002);山西省高等学校科技创新项目(2021L298,2023L176);太原科技大学科研启动基金项目(20222065,20222005)

Preparation and Characterization Study of Flexible Luminescent Solar Concentrators Based on Silicon Coated Carbon Dots

DOU Yongliang¹, ZHANG Yufei¹, NIE Cheng², REN Weijie¹, SONG Kai¹, MENG Shuai¹, ZHANG Rui¹, LI Kun¹, QIN Zhenxing¹, WANG Kaiyue³

1. Shanxi Center of Technology Innovation for Light Manipulations and Applications, School of Applied Science, Taiyuan University of Science and Technology, Taiyuan 030024, China;
2. The 53rd Research Institute of China Electronics Technology Group Corporation, Tianjin 300300, China;
3. School of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China

Received:2023-10-15 Online:2024-05-15 Published:2024-05-21

摘要/Abstract

摘要： 碳点由于环境友好、经济适用、合成方法简单及光学性能优异而在发光太阳能聚光器领域受到越来越多的关注。然而,碳点与亲水性聚合物波导材料相容作为发光基质时,多数碳点在聚合物中的相容性差,以及亲水聚合物的易脆性等问题严重限制发光太阳能聚光器的实际应用。为了解决这些问题,本文利用3-氨丙基三乙氧基硅烷的水解缩合,与邻苯二甲酸、邻苯二胺共同合成了一种斯托克斯位移为150 nm、量子产率为10.94%,且具有良好分散性和相容性的亮黄色发射硅包覆碳点;同时,以具有良好相容性、高柔韧性的聚二甲基硅氧烷为波导材料,二者结合制备出一系列尺寸为3 cm×3 cm×0.1 cm,不同质量百分比的硅包覆碳点柔性发光太阳能聚光器,其中,性能最佳的太阳能聚光器能量转换效率可达1.05%。这项工作将硅包覆碳点与聚二甲基硅氧烷的优势相结合,对发光太阳能聚光器实际应用有潜在价值。

关键词: 硅包覆碳点, 发光太阳能聚光器, 相容性, 柔韧性, 3-氨丙基三乙氧基硅烷, 聚二甲基硅氧烷

Abstract: At present, the environmental problems caused by fossil fuels are becoming more prominent, and it is imperative to reduce carbon emissions. Based on this situation, the solar photovoltaic technology has become the fastest growing renewable energy technology, and it has great promise to solve current resource and environmental problems. Owing to the characteristics of adjustable structure, sustainable use, and low cost, the luminescent solar concentrators are attracting more and more attention from among photovoltaic field. The typical luminescent solar concentrator is composed of two parts, including the light waveguide coated or embedded with the emitting fluorophores, a photovoltaic cell mounted on the light waveguide edge. Carbon dots have attracted increasing attention in the field of luminescent solar concentrators due to their environmental friendliness, economic applicability, simple synthesis methods, and excellent optical properties. However, when carbon dots are compatible with hydrophilic polymer waveguide materials as luminescent substrates, the poor compatibility of most carbon dots in polymers and the brittleness of hydrophilic polymers severely limit the practical application of luminescent solar concentrators. In order to solve these problems, the synthesis of a carbon dot doped with other elements or new carbon dot structure has become the focus of attention. In addition, the suitable host matrix needs to be explored, such as organic-inorganic hybrid matrix, multifunctional matrix, polysiloxane matrix, etc. In this work, a bright yellow emitting silicon coated carbon dot with a Stokes shift of 150 nm, a quantum yield of 10.94%, and good dispersibility and compatibility was synthesized using the hydrolysis condensation of 3-aminopropyltriethoxysilane, along with phthalic acid and o-phenylenediamine. At the same time, a series of 3 cm×3 cm×0.1 cm sizes were prepared by combining dimethyl siloxane with good compatibility and high flexibility as the waveguide material, flexible luminescent solar concentrators based on silicon coated carbon dots with different mass percentages, among which the best performing solar concentrator has an energy conversion efficiency of 1.05%. This work combines the advantages of silicon coated carbon dots with polydimethylsiloxane, which has potential value for the practical application of luminescent solar concentrators.

Key words: silicon coated carbon dot, luminescent solar concentrator, compatibility, flexibility, 3-aminopropyltriethoxysilane, polydimethylsiloxane

中图分类号:

TK513.1

豆永亮, 张宇飞, 聂诚, 任卫杰, 宋凯, 孟帅, 张瑞, 李坤, 秦振兴, 王凯悦. 硅包覆碳点基柔性发光太阳能聚光器的制备与性能研究[J]. 人工晶体学报, 2024, 53(5): 810-817.

DOU Yongliang, ZHANG Yufei, NIE Cheng, REN Weijie, SONG Kai, MENG Shuai, ZHANG Rui, LI Kun, QIN Zhenxing, WANG Kaiyue. Preparation and Characterization Study of Flexible Luminescent Solar Concentrators Based on Silicon Coated Carbon Dots[J]. JOURNAL OF SYNTHETIC CRYSTALS, 2024, 53(5): 810-817.

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