Water soluble polythiophenes: preparation and applications

This review describes the synthesis of different water soluble polythiophenes and their versatile applications. Solubility in water is essential for developing sensors for different bio-molecules and polythiophene derivatives are excellent candidates due to their important optoelectronic properties....

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Bibliographic Details
Published inRSC advances Vol. 5; no. 26; pp. 216 - 2177
Main Authors Das, Sandip, Chatterjee, Dhruba P, Ghosh, Radhakanta, Nandi, Arun K
Format Journal Article
LanguageEnglish
Published 01.01.2015
Subjects
adenosine diphosphate
adenosine triphosphate
DNA
fluorescence
hydrophilic polymers
hydrophilicity
hydrophobicity
metal ions
photovoltaic cells
polymerization
polypeptides
polysaccharides
RNA
thermometers
uridine diphosphate
water solubility
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Summary:This review describes the synthesis of different water soluble polythiophenes and their versatile applications. Solubility in water is essential for developing sensors for different bio-molecules and polythiophene derivatives are excellent candidates due to their important optoelectronic properties. A pristine polythiophene chain is hydrophobic and it exhibits aqueous solubility after attachment/grafting of ionic pendent groups or hydrophilic polymer chains on its backbone. A concise account of the different synthetic procedures of preparing water soluble polythiophene is described and all the specific techniques relevant to the synthesis of water soluble polythiophene using cationic, anionic pendent groups and grafting of hydrophilic polymers are discussed. Different grafting processes e.g. "grafting from" and "grafting to" techniques using click chemistry and atom transfer radical polymerization (ATRP) are described in detail. Detections of different bio-molecules such as DNA, RNA, polypeptides, polysaccharides, ATP, UDP and ADP from the excellent opto-electronic properties of aqueous polythiophenes are discussed. The reports on fluorescence based specific sensing of metal ions, and nitro-aromatics using water soluble polythiophenes are also embodied with an up-to-date description of the optoelectronic device applications such as logic gates, molecular thermometers, photovoltaic cells etc. Finally, a summary and outlook is presented discussing the future scope of research on this important subject. Different synthetic procedures for water soluble polythiophenes and their applications in sensing, detection of biomolecules and optoelectronic devices are discussed.
Bibliography:Mr Sandip Das received his B.Sc. degree in Chemistry from Midnapore College (Vidyasagar University) and M.Sc. degree in Chemistry from Bengal Engineering and Science University, Shibpur. He joined at Indian Association for the Cultivation of Science as a DST 'INSPIRE' research fellow and has been continuing his research under the supervision of Prof. A. K. Nandi. His research interest is synthesis of water soluble polythiophenes by using ATRP technique and its optoelectronic property study.
Prof. Arun K. Nandi obtained Ph.D. degree on "Studies on Polymer-Polymer and Polymer-Solvent mixing" and joined Chemistry Department, North Bengal University, Darjeeling. He did post doctoral work at Florida State University with Prof. L. Mandelkern in crystallization of polymers. In 1992 he was appointed at Polymer Science Unit at Indian Association for the Cultivation of Science and he is presently senior professor and head of the unit. His research interests focus on polymer blends, polymer crystallization, polymer and supramolecular gels, polymer nanocomposites, polymer grafting and biomolecular hybrids. He is author of more than 170 papers, and supervised 22 Ph.D. students.
Mr Radhakanta Ghosh received his B.Sc. and M.Sc. degree in Chemistry from Burdwan University, Burdwan and joined at Indian Association for the Cultivation of Science as a 'CSIR' research fellow under the supervision of Prof. A. K. Nandi. His research interest is synthesis of polythiophene based graft copolymers by using ATRP technique and preparation of polythiophene based sensor.
Dr Dhruba P. Chatterjee received his Ph.D. from Jadavpur University in 2006 for his doctoral research at Indian Association for the Cultivation of Science under the supervision of Prof. B. M. Mandal in the field of controlled polymer synthesis and characterization. He then continued in the group of Prof. A. K. Nandi in the field of synthesis, characterization and applications of various graft copolymers. In 2014 he joined as Assistant Professor in the Department of Chemistry, Presidency University, Kolkata and his present research interest includes synthesis of conducting polymer based graft copolymers, membranes and nano particles for sensor applications.
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ISSN:2046-2069
2046-2069
DOI:10.1039/c4ra16496b