Bacterial cellulose-poly(3,4-ethylenedioxythiophene)-poly (styrenesulfonate) composites for optoelectronic applications

被引：96
作者：
Khan, Shaukat [1 ]
Ul-Islam, Mazhar [1 ,2 ]
Khattak, Waleed Ahmad [1 ]
Ullah, Muhammad Wajid [1 ]
Park, Joong Kon [1 ]
机构：
[1] Kyungpook Natl Univ, Dept Chem Engn, Daegu 702701, South Korea
[2] Dhofar Univ, Coll Engn, Dept Chem Engn, Salalah, Oman
来源：
CARBOHYDRATE POLYMERS | 2015年 / 127卷
基金：
新加坡国家研究基金会;
关键词：
Carbon nanotubes; Thermomechanical properties; Photoelectron spectroscopy (XPS); Scanning electron microscopy (SEM); X-ray diffraction (XRD); IN-SITU; CELLULOSE; POLYPYRROLE; MEMBRANES; FILMS;
D O I：
10.1016/j.carbpol.2015.03.055
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Electrically conducting bacterial cellulose (BC) membranes were prepared by ex situ incorporation of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) into BC pellicles. The BC pellicles were immersed into an aqueous solution of PEDOT:PSS for 6, 12, 18, or 24 h, and the resultant composites were vacuum dried at ambient temperature. The structural features of the composites were determined using X-ray photoelectron spectroscopy (XPS), field-emission scanning electron microscopy (FE-SEM), Fourier-transform infrared (FTIR) spectroscopy, and X-ray diffraction (XRD). XPS confirmed synthesis of the composites, and SEM showed uniform incorporation of PEDOT:PSS into the BC matrix. The FTIR spectra of the composites exhibited characteristic bands for both BC and PEDOT:PSS, and XRD analysis showed a slight decrease in crystallinity during composite preparation. The electrical conductivity of the composites was 12.17S/cm for incorporation of 31.24 wt% PEDOT:PSS into the BC matrix. These highly conducting BC-PEDOT:PSS composites are expected to find potential applications in optoelectronic devices such as biosensors, organic light-emitting diodes, and solar cells. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：86 / 93
页数：8
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