Multi-region to single region shear thinning transitions in drying PEDOT:PSS dispersions: contributions from charge density fluctuations
作者： R. Piramuthu Raja Ashok , Mathew Shaji Thomas , Susy Varughese
DOI: 10.1039/C5SM01000D
关键词:
摘要: The multiple shear thinning behaviour observed in dispersions of the conducting polymer, poly(3,4-ethylenedioxythiophene)–poly(styrenesulfonate) (PEDOT:PSS), water during drying process is explored. PEDOT:PSS can be non-stoichiometric polyelectrolyte complexes (PECs) with free polyanion (PSS) chains resulting scrambled egg conformations. They also behave as charged colloidal particles. PECs and systems analyzed using rheology TEM, zeta potential, conductivity, pH, dynamic light scattering (DLS) rheo-small angle (rheo-SALS) information. rheological found to have significant contributions from conformational changes PEC due charge density fluctuations affecting electrostatic persistence length, le. A low concentration regime a high single were observed. behavior further explored by neutralizing salts.
harvard.edu
rsc.org
sci-hub.se 参考文章(31)
Andreas Elschner, Stephan Kirchmeyer, Wilfried Lovenich, Udo Merker, Knud Reuter, PEDOT : Principles and Applications of an Intrinsically Conductive Polymer CRC Press. ,(2010) , 10.1201/B10318
R.W. Wilson, D.C. Rau, V.A. Bloomfield, Comparison of polyelectrolyte theories of the binding of cations to DNA Biophysical Journal. ,vol. 30, pp. 317- 325 ,(1980) , 10.1016/S0006-3495(80)85097-1
Wei-Heng Shih, Wan Y. Shih, Seong-Il Kim, Jun Liu, Ilhan A. Aksay, Scaling behavior of the elastic properties of colloidal gels Physical Review A. ,vol. 42, pp. 4772- 4779 ,(1990) , 10.1103/PHYSREVA.42.4772
Yijie Xia, Jianyong Ouyang, PEDOT:PSS films with significantly enhanced conductivities induced by preferential solvation with cosolvents and their application in polymer photovoltaic cells Journal of Materials Chemistry. ,vol. 21, pp. 4927- 4936 ,(2011) , 10.1039/C0JM04177G
Virginie Burckbuchler, Anna-Lena Kjøniksen, Céline Galant, Reidar Lund, Catherine Amiel, Kenneth D. Knudsen, Bo Nyström, Rheological and structural characterization of the interactions between cyclodextrin compounds and hydrophobically modified alginate. Biomacromolecules. ,vol. 7, pp. 1871- 1878 ,(2006) , 10.1021/BM060149O
Peter Wilson, Constantina Lekakou, John F. Watts, A comparative assessment of surface microstructure and electrical conductivity dependence on co-solvent addition in spin coated and inkjet printed poly(3,4-ethylenedioxythiophene):polystyrene sulphonate (PEDOT:PSS) Organic Electronics. ,vol. 13, pp. 409- 418 ,(2012) , 10.1016/J.ORGEL.2011.11.011
Hu Yan, Susumu Arima, Yusaku Mori, Tsubasa Kagata, Hiroshi Sato, Hidenori Okuzaki, Poly(3,4-ethylenedioxythiophene)/poly(4-styrenesulfonate): Correlation between colloidal particles and thin films Thin Solid Films. ,vol. 517, pp. 3299- 3303 ,(2009) , 10.1016/J.TSF.2009.01.004
Stephen D. Hoath, Sungjune Jung, Wen-Kai Hsiao, Ian M. Hutchings, How PEDOT:PSS solutions produce satellite-free inkjets Organic Electronics. ,vol. 13, pp. 3259- 3262 ,(2012) , 10.1016/J.ORGEL.2012.10.004
S. Timpanaro, M. Kemerink, F.J. Touwslager, M.M. De Kok, S. Schrader, Morphology and conductivity of PEDOT/PSS films studied by scanning-tunneling microscopy Chemical Physics Letters. ,vol. 394, pp. 339- 343 ,(2004) , 10.1016/J.CPLETT.2004.07.035
Udo Lang, Nicola Naujoks, Jurg Dual, Mechanical characterization of PEDOT:PSS thin films Synthetic Metals. ,vol. 159, pp. 473- 479 ,(2009) , 10.1016/J.SYNTHMET.2008.11.005