Effect of urchin-like gold nanoparticles in organic thin-film solar cells
Effect of urchin-like gold nanoparticles in organic thin-film solar cells
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DOI：
10.1039/c6cp02373h
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发表时间：
2016-07-21
影响因子：
3.3
通讯作者：
Baba, Akira
中科院分区：
文献类型：
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作者：
Pangdam, Apichat;Nootchanat, Supeera;Baba, Akira
在这项研究中，海胆状金纳米粒子（UL-AuNPs）用于制造有机薄膜太阳能电池（OSC）。UL-AuNP在其表面上具有金纳米角，通过充当光捕获材料来增强光积累。这是由于纳米颗粒表面上的纳米孔引起的增强的电场和光散射。将UL-AuNP掺入到有机薄膜太阳能电池（OSC）的聚（3，4-亚乙基二氧噻吩）：聚（苯乙烯磺酸盐）（PEDOT：PSS）薄膜层中。紫外-可见光谱，原子力显微镜（AFM）图像，电流密度与电压特性，和阻抗谱的制造设备记录在各种浓度的UL-AuNP。我们发现具有UL-AuNP的OSC的效率不仅高于没有纳米颗粒的参考细胞的效率，而且高于具有球形AuNP的OSC的效率。时域有限差分法（FDTD）模拟表明，由于纳米线的存在，UL-AuNP周围的电场增加。
In this study, urchin-like gold nanoparticles (UL-AuNPs) are used in the fabrication of organic thin-film solar cells (OSCs). UL-AuNPs, which have gold nanothorns on their surface, enhance light accumulation by acting as light-trapping materials. This is due to the enhanced electric field and light scattering attributed to the nanothorns on the surface of the nanoparticles. UL-AuNPs were incorporated into a poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) thin-film layer of organic thin-film solar cells (OSCs). UV-vis spectra, atomic force microscopy (AFM) images, current density versus voltage properties, and the impedance spectra of the fabricated devices were recorded at various concentrations of UL-AuNPs. We found that the efficiency of the OSCs with UL-AuNPs was not only higher than that of a reference cell without nanoparticles but also higher than that of OSCs with spherical AuNPs. Finite-difference time-domain (FDTD) simulation indicated that the electric field around the UL-AuNPs increased due to the presence of nanothorns.