Enhanced efficiency of organic and perovskite photovoltaics from shape-dependent broadband plasmonic effects of silver nanoplates
Enhanced efficiency of organic and perovskite photovoltaics from shape-dependent broadband plasmonic effects of silver nanoplates
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DOI：
10.1016/j.solmat.2015.04.021
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发表时间：
2015-09-01
影响因子：
6.9
通讯作者：
Jeng, Ru-Jong
中科院分区：
文献类型：
--
作者：
Hsu, Hsiang-Lin;Juang, Tzong-Yuan;Jeng, Ru-Jong
在这项研究中，我们系统地研究了镶嵌在有机和钙钛矿(PVSK)光伏电池中的银纳米板(Ag NPLs)的等离子体效应。通过可控的湿化学过程，通过改变其大小和形状来操纵Ag NPLs的光学性质。随着银纳米粒子边缘长度的增加，其表面等离子体共振带变宽，最大消光波长扩展到750 nm。在PEDOT：PSs[poly(3，4-ethylenedioxythiophene)/polystyrenesulfonate]层中嵌入不同类型的AgNPL后，其短路光电流密度较优化前提高了7.6~17.5%，功率转换效率提高了13%。在模拟AM 1.5G辐照(100 mW cm~(-2))条件下，获得了正常PVSK器件的最佳PCE为8.5%。在掺入Ag-NPLs后，获得了9.6%的高得多的PCE。由于银纳米粒子的等离子体散射效应增强，其外量子效率显著提高。(C)2015爱思唯尔B.V.保留所有权利。
In this study, we systematically investigated the plasmonic effects of silver nanoplates (Ag NPLs) embedded in organic and perovskite (PVSK) photovoltaic (PV) cells. Optical properties of the Ag NPLs were manipulated by varying their sizes and shapes through controllable wet chemical processes. As the lengths of the edges of the Ag NPLs increased, their surface plasmon resonance bands broadened, with the maximum extinction wavelength extending to as far as 750 nm. After embedding various types of Ag NPLs into the PEDOT:PSS [poly(3,4-ethylenedioxythiophene)/polystyrenesulfonate] layer, the short-circuit photocurrent density increased by 7.6-17.5%, relative to that of the pre-optimized control PVs, with the power conversion efficiency (PCE) increasing by up to 13%. We obtained an optimized PCE of 8.5% for normal PVSK device under simulated AM 1.5G irradiation (100 mW cm(-2)). After the incorporation of Ag NPLs, a much higher PCE of 9.6% was obtained. External quantum efficiencies were increased significantly as a result of the increased plasmonic scattering effect of Ag NPLs. (C) 2015 Elsevier B.V. All rights reserved.