Synthesis of polyaniline nanoparticles for fluorescence sensing applications

Conventional fluorophores are unable to meet the demands of modern applications which requires higher-sensitivity and high-throughput. With advancement in nanotechnology, extraordinary brightness, fast and stable emission rates, excellent photostability, and non-toxic features exhibited by polymer n...

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Main Author: Lan, Tian
Other Authors: Chen Peng
Format: Final Year Project
Language:English
Published: 2016
Subjects:
Online Access:http://hdl.handle.net/10356/68459
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-684592023-03-03T15:40:39Z Synthesis of polyaniline nanoparticles for fluorescence sensing applications Lan, Tian Chen Peng School of Chemical and Biomedical Engineering DRNTU::Engineering::Bioengineering Conventional fluorophores are unable to meet the demands of modern applications which requires higher-sensitivity and high-throughput. With advancement in nanotechnology, extraordinary brightness, fast and stable emission rates, excellent photostability, and non-toxic features exhibited by polymer nanoparticles attracted considerable attention. These features indicate the great potential of polymer nanoparticles for fluorescence sensing in chemical and biological applications. In this report, polyaniline nanoparticles (PANI NPs) were synthesized from aniline monomer with electropolymerization techniques in ionic liquid and sonication method. The electropolymerization process have been optimized and PANI NPs are characterized for its optical properties. PANI NPs were successfully synthesized after sonicating the PANI film in NMP. The amorphous nature, average size, thickness and networking structure of PANI film were characterized by AFM, SEM and TEM results. Conducting emeraldine salt formation was confirmed through the FTIR results. The conductivity of PANI NPs indicate their optical properties as fluorescence sensor. Further concentration-dependent studies for enhancement effect of PANI NPs on lead ion and pH dependent studies are still ongoing. Bachelor of Engineering (Chemical and Biomolecular Engineering) 2016-05-26T03:15:15Z 2016-05-26T03:15:15Z 2016 Final Year Project (FYP) http://hdl.handle.net/10356/68459 en Nanyang Technological University 55 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Bioengineering
spellingShingle DRNTU::Engineering::Bioengineering
Lan, Tian
Synthesis of polyaniline nanoparticles for fluorescence sensing applications
description Conventional fluorophores are unable to meet the demands of modern applications which requires higher-sensitivity and high-throughput. With advancement in nanotechnology, extraordinary brightness, fast and stable emission rates, excellent photostability, and non-toxic features exhibited by polymer nanoparticles attracted considerable attention. These features indicate the great potential of polymer nanoparticles for fluorescence sensing in chemical and biological applications. In this report, polyaniline nanoparticles (PANI NPs) were synthesized from aniline monomer with electropolymerization techniques in ionic liquid and sonication method. The electropolymerization process have been optimized and PANI NPs are characterized for its optical properties. PANI NPs were successfully synthesized after sonicating the PANI film in NMP. The amorphous nature, average size, thickness and networking structure of PANI film were characterized by AFM, SEM and TEM results. Conducting emeraldine salt formation was confirmed through the FTIR results. The conductivity of PANI NPs indicate their optical properties as fluorescence sensor. Further concentration-dependent studies for enhancement effect of PANI NPs on lead ion and pH dependent studies are still ongoing.
author2 Chen Peng
author_facet Chen Peng
Lan, Tian
format Final Year Project
author Lan, Tian
author_sort Lan, Tian
title Synthesis of polyaniline nanoparticles for fluorescence sensing applications
title_short Synthesis of polyaniline nanoparticles for fluorescence sensing applications
title_full Synthesis of polyaniline nanoparticles for fluorescence sensing applications
title_fullStr Synthesis of polyaniline nanoparticles for fluorescence sensing applications
title_full_unstemmed Synthesis of polyaniline nanoparticles for fluorescence sensing applications
title_sort synthesis of polyaniline nanoparticles for fluorescence sensing applications
publishDate 2016
url http://hdl.handle.net/10356/68459
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