Highly transparent all-perovskite luminescent solar concentrator/photovoltaic windows

IF 10.7 2区 材料科学 Q1 CHEMISTRY, PHYSICAL Journal of Materials Chemistry A Pub Date : 2024-11-13 DOI:10.1039/d4ta06249c
Seungju Oh, Sang Woo Bae, Tae Hyung Kim, Gumin Kang, Heesuk Jung, Young-Hoon Kim, Minwoo Park
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Abstract

Luminescent solar concentrators (LSCs) play a major role as light suppliers at the boundaries between indoor and outdoor spaces in buildings. The performances of solar panels coupled with LSCs are directly influenced by the photoluminescence (PL) characteristics of fluorophores, among which inorganic perovskite nanocrystals (PeNCs) have shown great potential. A large Stokes shift in these NCs spanning the ultraviolet (UV), visible, and near-infrared regions can be achieved through metal doping, leading to significant improvements in the PL quantum yields and reduced PL reabsorption. However, practical approaches for coupling perovskite LSCs (PeLSCs) with perovskite solar cells (PSCs) are lacking. The design of all-perovskite LSC/photovoltaic (PV) windows is essential to prepare perovskite-based building-integrated PV systems. Thus, Mn-doped CsPbCl3 NCs were employed as PL-reabsorption-free fluorophores for LSCs. Their significant Stokes shift allowed for efficient PL propagation to the LSC edges. The Mn:CsPbCl3/polystyrene composite films used in the LSCs demonstrated excellent optical transparencies and low haze values. When coupled with 16 series-connected high-efficiency PSCs, the PeLSC/PV windows exhibited impressive optical (5.38%) and power conversion (0.43%) efficiencies at a large geometric factor of 25 under 1 sun illumination. Using PeLSC/PV windows as self-powered UV light detectors, an excellent responsivity, specific detectivity, and noise equivalent power were obtained due to strong PL emission from the LSCs, even under weak UV light. An excellent power conversion efficiency was retained (86.3%) after 1000 h of operation due to protection of the solar absorbers from UV light by the long-wavelength PL emission of the LSCs.

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高透明度全过氧化物发光太阳能聚光器/光伏窗
发光太阳能聚光器(LSCs)作为光供应者,在建筑物的室内外空间边界发挥着重要作用。与 LSC 相结合的太阳能电池板的性能直接受到荧光体的光致发光(PL)特性的影响,其中无机过氧化物纳米晶体(PeNCs)已显示出巨大的潜力。通过掺杂金属,这些 NCs 可以在紫外线(UV)、可见光和近红外区域实现较大的斯托克斯偏移,从而显著提高光致发光量子产率并减少光致发光重吸收。然而,目前还缺乏将过氧化物 LSC(PeLSC)与过氧化物太阳能电池(PSC)耦合的实用方法。设计全包晶 LSC/光伏(PV)窗口对于制备基于包晶的建筑一体化光伏系统至关重要。因此,掺锰的 CsPbCl3 NCs 被用作 LSCs 的无 PL 吸收荧光团。它们明显的斯托克斯偏移使 PL 能够有效地传播到 LSC 边缘。LSC 中使用的 Mn:CsPbCl3/ 聚苯乙烯复合薄膜具有出色的光学透明性和低雾度值。当与 16 个串联的高效 PSC 相结合时,PeLSC/PV 窗在 1 太阳光照射下,以 25 的大几何系数显示出令人印象深刻的光学效率(5.38%)和功率转换效率(0.43%)。利用 PeLSC/PV 窗作为自供电紫外光探测器,即使在微弱的紫外光下,由于 LSC 发出强烈的聚光,也能获得极佳的响应度、特定探测度和噪声等效功率。由于 LSC 的长波长 PL 发射保护了太阳能吸收器免受紫外线的伤害,因此在运行 1000 小时后,仍能保持出色的功率转换效率(86.3%)。
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来源期刊
Journal of Materials Chemistry A
Journal of Materials Chemistry A CHEMISTRY, PHYSICAL-ENERGY & FUELS
CiteScore
19.50
自引率
5.00%
发文量
1892
审稿时长
1.5 months
期刊介绍: The Journal of Materials Chemistry A, B & C covers a wide range of high-quality studies in the field of materials chemistry, with each section focusing on specific applications of the materials studied. Journal of Materials Chemistry A emphasizes applications in energy and sustainability, including topics such as artificial photosynthesis, batteries, and fuel cells. Journal of Materials Chemistry B focuses on applications in biology and medicine, while Journal of Materials Chemistry C covers applications in optical, magnetic, and electronic devices. Example topic areas within the scope of Journal of Materials Chemistry A include catalysis, green/sustainable materials, sensors, and water treatment, among others.
期刊最新文献
Regulating the electronic structure of catalysts via stable ceria and adjustable copper metal/oxide towards efficient overall water splitting Highly transparent all-perovskite luminescent solar concentrator/photovoltaic windows Correction: Achieving dynamic stability of single-crystal low-Co Ni-rich cathode material for high performance lithium batteries Ligand-protected and lowered-temperature hydrothermal synthesis of platinum encapsulated in TON zeolite for shape-selective hydrogenation of furfural to furfuryl alcohol High-Performance, Ambient-Processable Organic Solar Cells Achieved by Single Terpene-Based Entirely Eco-Friendly Process
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