A Comparison of the Optical Properties of Fibre-Based Luminescent Solar Concentrators and Transparent Wood Towards Sustainable Waveguides

IF 3 4区化学 Q2 CHEMISTRY, ANALYTICAL Luminescence Pub Date : 2025-01-22 DOI:10.1002/bio.70093

Brindha V. G. Mohan, V. G. Shobhana, N. Manikanda Boopathi

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Abstract

Aiming at net-zero emissions, most international and national policies focus on sustainable development goals. Hence, there is an immediate need for replacing carbon-intensive materials with biomaterials. In this respect, this article presents a road-map for moving from polymeric to sustainable waveguides in optical devices. Previous reports indicate that luminescent fibres exhibit better photon concentrations of nearly 30%–33% higher than flat-plate polymeric waveguides. It is also verified that the photon in-out ratio increases by 3.44 times when the waveguide geometry is changed from planar to an equivalent area of fibre bundle with the same luminophore. Meanwhile, transparent wood (Twood) is gaining attention as a green alternative to acrylic sheets. The structure and function of transparent wood conforms well with the fibre-based waveguides of luminescent solar concentrators (LSCs). Therefore, it is intriguing to compare Twood with intrinsic micro fibrillary interior with fibre-based LSC as a natural alternative. This review provides an in-depth analysis, emphasizing the benefits and associated challenges in using cylindrical concentrators over planar LSCs. The paper collects and compares the phenomenon of light guiding of cylindrical and fibre-based LSCs with that of Twood. It is important to consider the key points discussed here while making a transition towards sustainable waveguides.

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光纤基发光太阳能聚光器与透明木材可持续波导的光学性能比较。

为了实现净零排放，大多数国际和国家政策都将重点放在可持续发展目标上。因此，迫切需要用生物材料取代碳密集型材料。在这方面，本文提出了在光学器件中从聚合物波导到可持续波导的路线图。先前的报告表明，发光纤维比平板聚合物波导具有更好的光子浓度，高出近30%-33%。当波导的几何形状由平面变为具有相同发光团的等效面积的光纤束时，光子的进出比增加了3.44倍。与此同时，透明木材（Twood）作为亚克力板的绿色替代品正受到关注。透明木材的结构和功能与发光太阳能聚光器（LSCs）的光纤波导非常吻合。因此，将具有内在微纤维内部的木材与基于纤维的LSC作为天然替代品进行比较是很有趣的。这篇综述提供了深入的分析，强调了在平面LSCs中使用圆柱形聚光器的好处和相关的挑战。本文收集并比较了圆柱形和纤维基LSCs与木材基LSCs的导光现象。在向可持续波导过渡时，考虑这里讨论的关键点是很重要的。

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来源期刊

Luminescence 生物-生化与分子生物学

CiteScore

5.10

自引率

13.80%

发文量

248

审稿时长

3.5 months

期刊介绍： Luminescence provides a forum for the publication of original scientific papers, short communications, technical notes and reviews on fundamental and applied aspects of all forms of luminescence, including bioluminescence, chemiluminescence, electrochemiluminescence, sonoluminescence, triboluminescence, fluorescence, time-resolved fluorescence and phosphorescence. Luminescence publishes papers on assays and analytical methods, instrumentation, mechanistic and synthetic studies, basic biology and chemistry. Luminescence also publishes details of forthcoming meetings, information on new products, and book reviews. A special feature of the Journal is surveys of the recent literature on selected topics in luminescence.