Fabrication of single walled carbon nanotubes/poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) layers under enhanced gravity drying

被引:5
作者
Rincon, M. E. [1 ]
Alvarado-Tenorio, G. [1 ]
Vargas, M. G. [2 ]
Ramos, E. [1 ]
Sanchez-Tizapa, M. [3 ]
机构
[1] Univ Nacl Autonoma Mexico, Inst Energias Renovables, Temixco 62580, Mor, Mexico
[2] Inst Tecnol Zacatepec, Zacatepec 62780, Mor, Mexico
[3] Univ Guadalajara, Ctr Univ Valles, Ameca 46600, Jalisco, Mexico
关键词
Single walled carbon nanotubes; Conjugated polymer; Enhanced gravity; Junction properties; TRANSPARENT; NANOTUBES; FILMS;
D O I
10.1016/j.tsf.2015.11.008
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this contribution, we explore the use of enhanced gravity in order to achieve composite films of single walled carbon nanotubes (SWCNTs)/poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) with improved properties. The samples were characterized by atomic force microscopy, scanning electron microscopy, and electrochemical impedance spectroscopy, in order to determine the differences caused by the enhanced gravity. Impedance spectroscopy results show that there is an improvement of the electrical properties of the SWCNT/PEDOT: PSS junction, manifested as lower contact resistance, modified chemical capacitance, and induced p-type doping. A force-induced interpenetration of the polymer into the SWCNT network and the efficient removal of water and PSS are proposed to explain the results. The transparency and electrical properties of these films forecast their application as a buffer layer in organic solar cell heterojunctions, or as hole transporting materials in perovskite-based solar cells. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:70 / 76
页数:7
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