化工新型材料

化工新型材料 ›› 2026, Vol. 54 ›› Issue (9) : 149-155. DOI: 10.19817/j.cnki.issn1006-3536.2026.09.024

科学研究

光子晶体增强CuInS₂/ZnS量子点荧光太阳能集光器性能研究

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Study on the performance of photonic crystal-enhanced CuInS₂/ZnS quantum dot luminescent solar concentrators

Xiong Shoujun¹, Li Changwei¹, Liu Renzhi¹, Chai Yikun¹, Wei Lai², Wang Jianying¹

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Received
2025-10-21
Issue Date	Revised Date
2026-09-16	2025-10-21

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摘要

目前,开发高效率CuInS₂/ZnS量子点基荧光太阳能集光器(LSCs)仍是一种挑战,本研究采用一锅法分别合成了发射波长为553nm(黄色)、600nm(橙色)和654nm(红色)的CuInS₂/ZnS量子点。进一步将上述CuInS₂/ZnS量子点作为荧光材料制备了单夹层LSCs,系统研究了不同发射颜色的CuInS₂/ZnS量子点在高质量分数(1%～8%)下对LSCs性能的影响。结果表明,不同发射颜色LSCs随量子点浓度提高,外部光学效率增强;在浓度为8%时,其外部光学效率达到最大值,分别为4.48%(黄色)、4.48%(橙色)和5.35%(红色)。在此基础上,通过垂直沉积法制备了黄色CdS光子晶体薄膜,并将其作为LSCs的背反射层,所有LSCs外部光学效率均得到显著提升,最高外部光学效率达到了7.14%,表明光子晶体背反射层对LSCs光学效率增强具有重要作用。

Abstract

To date,the creation of high-efficiency CuInS₂/ZnS quantum dots (QD)-based luminescent solar concentrators (LSCs) has remained challenging.In this work,CuInS₂/ZnS QDs with emission wavelengths of 553nm (yellow),600nm (orange),and 654nm(red) were synthesized by a one-pot method,respectively.The CuInS₂/ZnS QDs were further used as fluorescent materials to prepare single-layer laminated LSCs.The influence of CuInS₂/ZnS QDs with different emission colors on the performance of LSCs under high QDs loading (1-8wt%) was systematically studied.The research results showed that the external optical efficiencies (η_opt) of LSCs with different emission colors increased with the increase of QDs concentrations.When the QDs concentration was 8 wt%,their external optical efficiencies (η_opt) reached the maximum values of 4.48% (yellow),4.48% (orange),and 5.35% (red),respectively.Based on this,yellow CdS photonic crystal films were fabricated by vertical deposition method and used as the back-reflector of LSCs.The external optical efficiencies of all LSCs were significantly improved,with the maximum external optical efficiencies of 7.14%,indicating that the photonic crystal back-reflector played an important role in enhancing the optical efficiency of LSCs.

关键词

CuInS₂/ZnS量子点 / 荧光太阳能集光器 / 光子晶体 / 背反射层 / 外部光学效率

Key words

CuInS₂/ZnS QDs / luminescent solar concentrators / photonic crystal / back-reflector / external optical efficiency

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光子晶体增强CuInS₂/ZnS量子点荧光太阳能集光器性能研究[J]. 化工新型材料, 2026, 54(9): 149-155 DOI:10.19817/j.cnki.issn1006-3536.2026.09.024

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