在ZnO纳米结构薄膜中加入石墨烯片以提高DSSC的性能

IF 1.4 Q4 NANOSCIENCE & NANOTECHNOLOGY

Journal of Nanostructures Pub Date : 2020-10-01 DOI:10.22052/JNS.2020.04.012

Kuhdhair Mohammed Mahdi, H. A. Alshamsi, Qahtan A. Yousif

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引用次数: 4

摘要

在本工作中，氧化锌纳米粒子及其复合材料以石墨烯作为光阳极电极制备，并以导电聚合物PEDOT: PSS作为DSSC的辅助电极，负载MWCNT作为辅助电极，合成了优异的薄膜。采用XRD、FTIR、Raman光谱、BET-BJH、UV-DRS等方法对其进行了表征。利用FESEM和AFM对ZnO、ZnO/石墨烯和PEDOT: PSS/MWCNT薄膜的形貌和结构进行了研究。结果证实了电泳沉积法在ITO上成功制备了薄膜，石墨烯的加入使带隙减小到接近3.0eV。此外，基于辅助电极的PEDOT: PSS/MWCNT纳米复合材料具有高导电性，提高了DSSC的光伏值。BET-BJH实验结果表明，合成的氧化锌纳米颗粒比表面积为6.66 m2/g，孔径为1.42 m3/g。

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Graphene sheets incorporation in ZnO nanostructure thin film for enhancing the performance of DSSC

In the present work, the zinc oxide nanoparticle and its composite have prepared with the graphene as a photoanode electrode as well as synthesizing an excellent thin film from the PEDOT: PSS, which is conductive polymer loading with MWCNT as an auxiliary electrode for the DSSC. The photoanode characterized using ( XRD, FTIR, Raman spectroscopy, BET-BJH, and UV-DRS). The FESEM and AFM performed to study morphology and structure of ZnO, ZnO/Graphene, and PEDOT: PSS/MWCNT thin films. The results confirm a successful fabrication of the thin films on the ITO by using the electrophoretic deposition method as well the added of graphene reduced the band gap close to 3.0eV. Moreover, the PEDOT: PSS/MWCNT nanocomposite based an auxiliary electrode offered high electrical conductivity, which enhanced the photovoltaic values of DSSC. The BET-BJH results demonstrated of the synthesis of zinc oxide nanoparticles at the surface area 6.66 m2/g and pore size 1.42 m3/g.

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来源期刊

Journal of Nanostructures NANOSCIENCE & NANOTECHNOLOGY-

CiteScore

2.60

自引率

0.00%

发文量

审稿时长

7 weeks

期刊介绍： Journal of Nanostructures is a medium for global academics to exchange and disseminate their knowledge as well as the latest discoveries and advances in the science and engineering of nanostructured materials. Topics covered in the journal include, but are not limited to the following: Nanosystems for solar cell, energy, catalytic and environmental applications Quantum dots, nanocrystalline materials, nanoparticles, nanocomposites Characterization of nanostructures and size dependent properties Fullerenes, carbon nanotubes and graphene Self-assembly and molecular organization Super hydrophobic surface and material Synthesis of nanostructured materials Nanobiotechnology and nanomedicine Functionalization of nanostructures Nanomagnetics Nanosensors.