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原位制备的 PEDOT: PSS 缓冲层-金属纳米粒子复合材料及其在有机太阳能电池中的应用。

In situ-prepared composite materials of PEDOT: PSS buffer layer-metal nanoparticles and their application to organic solar cells.

机构信息

Green Energy Research Division, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 711-873, South Korea.

出版信息

Nanoscale Res Lett. 2012 Nov 23;7(1):641. doi: 10.1186/1556-276X-7-641.

DOI:10.1186/1556-276X-7-641
PMID:23173992
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3552830/
Abstract

We report an enhancement in the efficiency of organic solar cells via the incorporation of gold (Au) or silver (Ag) nanoparticles (NPs) in the hole-transporting buffer layer of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), which was formed on an indium tin oxide (ITO) surface by the spin-coating of PEDOT:PSS-Au or Ag NPs composite solution. The composite solution was synthesized by a simple in situ preparation method which involved the reduction of chloroauric acid (HAuCl4) or silver nitrate (AgNO3) with sodium borohydride (NaBH4) solution in the presence of aqueous PEDOT:PSS media. The NPs were well dispersed in the PEDOT:PSS media and showed a characteristic absorption peak due to the surface plasmon resonance effect. Organic solar cells with the structure of ITO/PEDOT:PSS-Au, Ag NPs/poly(3-hexylthiophene):[6,6]-phenyl-C61-butyric acid methyl ester (P3HT:PCBM)/LiF/Al exhibited an 8% improvement in their power conversion efficiency mainly due to the enlarged surface roughness of the PEDOT:PSS, which lead to an improvement in the charge collection and ultimately improvements in the short-circuit current density and fill factor.

摘要

我们通过在聚（3,4-亚乙基二氧噻吩）：聚（苯乙烯磺酸盐）（PEDOT：PSS）空穴传输缓冲层中掺入金（Au）或银（Ag）纳米粒子（NPs），来提高有机太阳能电池的效率，PEDOT：PSS 是通过在氧化铟锡（ITO）表面上旋涂 PEDOT：PSS-Au 或 Ag NPs 复合溶液形成的。复合溶液通过简单的原位制备方法合成，该方法涉及在含有水性 PEDOT：PSS 介质的条件下，用硼氢化钠（NaBH4）溶液还原氯金酸（HAuCl4）或硝酸银（AgNO3）。纳米粒子在 PEDOT：PSS 介质中很好地分散，并由于表面等离子体共振效应而显示出特征吸收峰。具有结构为 ITO/PEDOT：PSS-Au、Ag NPs/聚（3-己基噻吩）：[6,6]-苯基-C61-丁酸甲酯（P3HT：PCBM）/LiF/Al 的有机太阳能电池的功率转换效率提高了 8%，主要是由于 PEDOT：PSS 的表面粗糙度增大，导致电荷收集得到改善，最终短路电流密度和填充因子得到提高。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/39201352a418/1556-276X-7-641-6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/f70749922583/1556-276X-7-641-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/1f6231c52040/1556-276X-7-641-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/1dd0276d4f48/1556-276X-7-641-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/f29dbf6ef005/1556-276X-7-641-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/a891492b3d79/1556-276X-7-641-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/39201352a418/1556-276X-7-641-6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/f70749922583/1556-276X-7-641-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/1f6231c52040/1556-276X-7-641-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/1dd0276d4f48/1556-276X-7-641-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/f29dbf6ef005/1556-276X-7-641-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/a891492b3d79/1556-276X-7-641-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/80c1/3552830/39201352a418/1556-276X-7-641-6.jpg

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