Plasmonic Metamaterial’s Light Trapping Enhancement of Ultrathin PbS-CQD Solar Thermal PV Cells

IF 3.3 4区物理与天体物理 Q2 CHEMISTRY, PHYSICAL

Plasmonics Pub Date : 2024-08-13 DOI:10.1007/s11468-024-02458-3

Oussama Baitiche, Fathi Bendelala, Ali Cheknane, Filippo Costa, Hikmat S. Hilal, Jean-Michel Nunzi, Khadidja Younes

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Abstract

Enhancing photon absorptance in ultrathin solar/thermophotovoltaic (STPV) cells is crucial for low-cost highly efficient cells. A complete study of power conversion enhancement, in a proposed ultrathin STPV cell, is presented here. It involves lead sulfide colloidal quantum dots (PbS-CQDs), a silver (Ag)-nano-pyramid design, aluminum nitride (AlN) crossed prisms as front texturization, with embedded Ag nanospheres, and a tantalum (Ta) film as a back reflector. By combining the three mechanisms of surface plasmon polariton (SPP), localized plasmons (LSPR), and magnetic polariton (MP) in the same structure, photon absorptance in the active PbS-CQDs layer is greatly improved. The suggested structure attained a highly active absorptance of over 80%, covering visible and near-infrared (0.30–1.77 µm). The short circuit current density is also evaluated under AM 1.5 solar illumination and various blackbody temperatures (T_B), with values of 48.90 mA cm⁻² and 6.93 mA cm⁻², respectively, corresponding to unprecedented power conversion efficiencies (PCEs) of 20.20% and 15.58%. The effects of metamaterial light management on PCE enhancement are discussed. Collectively, the findings show that the proposed hybrid cell is potentially useful in high-performance hybrid thermal and solar cells.

Graphical Abstract

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等离子超材料对超薄 PbS-CQD 太阳能光热光伏电池光捕获的增强作用

提高超薄太阳能/热光电（STPV）电池的光子吸收率对低成本高效电池至关重要。本文介绍了在拟议的超薄 STPV 电池中增强功率转换的完整研究。它涉及硫化铅胶体量子点（PbS-CQDs）、银（Ag）纳米金字塔设计、氮化铝（AlN）交叉棱镜作为前纹理，内嵌银纳米球，以及钽（Ta）薄膜作为背反射器。通过在同一结构中结合表面等离子体极化子（SPP）、局域等离子体（LSPR）和磁极子（MP）三种机制，大大提高了 PbS-CQDs 活性层的光子吸收率。所建议的结构达到了 80% 以上的高活性吸收率，覆盖了可见光和近红外（0.30-1.77 µm）。在 AM 1.5 太阳光照明和各种黑体温度（TB）条件下，还评估了短路电流密度，其值分别为 48.90 mA cm-2 和 6.93 mA cm-2，相当于前所未有的 20.20% 和 15.58% 功率转换效率（PCE）。研究还讨论了超材料光管理对 PCE 增强的影响。总之，研究结果表明，所提出的混合电池可用于高性能混合热电池和太阳能电池。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Plasmonics 工程技术-材料科学：综合

CiteScore

5.90

自引率

6.70%

发文量

164

审稿时长

2.1 months

期刊介绍： Plasmonics is an international forum for the publication of peer-reviewed leading-edge original articles that both advance and report our knowledge base and practice of the interactions of free-metal electrons, Plasmons. Topics covered include notable advances in the theory, Physics, and applications of surface plasmons in metals, to the rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Topics, including the theory, synthesis and optical properties of noble metal nanostructures, patterned surfaces or materials, continuous or grated surfaces, devices, or wires for their multifarious applications are particularly welcome. Typical applications might include but are not limited to, surface enhanced spectroscopic properties, such as Raman scattering or fluorescence, as well developments in techniques such as surface plasmon resonance and near-field scanning optical microscopy.