Solid-state fluorescent carbon dots-based composite optical waveguide film enables transparent and high-performance luminescent solar concentrators

Jiurong Li, Wenjing Li, Hangxiang Wang, Xiujian Zhao and Xiao Gong

Applied Energy, 2024, vol. 358, issue C, No S0306261923019359

Abstract: Aggregation-caused quenching (ACQ) is a great obstacle for carbon dots (CDs) to be applied in the photovoltaic fields. In this work, we report that acid-catalyzed hydrolytic condensation of N-[3-(trimethoxysilyl)propyl]ethylenediamine (KH-792) is utilized to generate organosilicon matrices, meanwhile, CDs are covalently linked to the organosilicon matrices to realize solid-state fluorescence via one-step solvothermal method. This approach enables CDs to be uniformly distributed in the organosilicon matrices to produce strong solid-state fluorescence. Most importantly, the obtained blue fluorescent CDs (b-CDs) can be combined with (3-Aminopropyl)triethoxysilane (APTES) to form a highly transparent optical waveguide film on the glass to construct high-performance luminescent solar concentrators (LSCs) with high loading amount. By changing the CDs loading amounts and volume of the coating solution, the transparent LSCs (5 × 5 × 0.2 cm3) with high optical conversion efficiency (ηopt) of 2.83% can be achieved. In addition, the b-CDs powder can be intergrated with 365 nm chips to successfully fabricate monochromatic light-emitting diodes (LEDs). The prepared b-CDs powder with strong solid-state fluorescence shows great potential in photoelectric devices.

Keywords: Organosilicon matrices; Solid-state fluorescent carbon dots; Covalent link; Photoelectric devices; High-efficiency (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations:

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S0306261923019359
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:358:y:2024:i:c:s0306261923019359

Ordering information: This journal article can be ordered from
http://www.elsevier.com/wps/find/journaldescription.cws_home/405891/bibliographic
http://www.elsevier. ... 405891/bibliographic

DOI: 10.1016/j.apenergy.2023.122571

Access Statistics for this article

Applied Energy is currently edited by J. Yan

More articles in Applied Energy from Elsevier
Bibliographic data for series maintained by Catherine Liu ().