Properties of one-step synthesized Pt nanoparticle-doped poly(3,4-ethylenedioxy thiophen):poly(styrenesulfonate) hybrid films

Seok Joo Wang; Hyung Ho Park

doi:10.1016/j.tsf.2010.04.084

Properties of one-step synthesized Pt nanoparticle-doped poly(3,4-ethylenedioxy thiophen):poly(styrenesulfonate) hybrid films

Seok Joo Wang, Hyung Ho Park

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) thin films incorporating Pt nanoparticles were synthesized by a simple method using H₂PtCl₆· xH₂O. The surface morphology, chain structure, bonding states, and electronic structure of the films were investigated. Unusual formation of a PEDOT-rich surface was accompanied with interactions between PEDOT:PSS and Pt nanoparticles due to agglomeration of PEDOT:PSS around Pt nanoparticles and destabilization of chain conformation. High doping of the PEDOT moiety occurred during the reduction of H ₂PtCl₆·xH₂O so that an increased work function and a decreased energy gap between the edge of the highest occupied molecular orbital and the Fermi level were observed. Intermediate products including chlorine and [PtCl₆]^-, and the ionic nature of the Pt nanoparticles were responsible for the resultant properties of Pt-PEDOT:PSS. Products generated during the formation of Pt nanoparticles served as a third anionic dopant like PSS and as an inhibitor of segregation.

Original language	English
Pages (from-to)	7185-7190
Number of pages	6
Journal	Thin Solid Films
Volume	518
Issue number	24
DOIs	https://doi.org/10.1016/j.tsf.2010.04.084
Publication status	Published - 2010 Oct 1

Bibliographical note

Funding Information:
This research was supported by the Nano R&D program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology ( 2009-0082604 ). The experiments at PLS were supported in part by MEST and POSTECH.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1016/j.tsf.2010.04.084

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title = "Properties of one-step synthesized Pt nanoparticle-doped poly(3,4-ethylenedioxy thiophen):poly(styrenesulfonate) hybrid films",

abstract = "Poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) thin films incorporating Pt nanoparticles were synthesized by a simple method using H2PtCl6· xH2O. The surface morphology, chain structure, bonding states, and electronic structure of the films were investigated. Unusual formation of a PEDOT-rich surface was accompanied with interactions between PEDOT:PSS and Pt nanoparticles due to agglomeration of PEDOT:PSS around Pt nanoparticles and destabilization of chain conformation. High doping of the PEDOT moiety occurred during the reduction of H 2PtCl6·xH2O so that an increased work function and a decreased energy gap between the edge of the highest occupied molecular orbital and the Fermi level were observed. Intermediate products including chlorine and [PtCl6]-, and the ionic nature of the Pt nanoparticles were responsible for the resultant properties of Pt-PEDOT:PSS. Products generated during the formation of Pt nanoparticles served as a third anionic dopant like PSS and as an inhibitor of segregation.",

author = "Wang, {Seok Joo} and Park, {Hyung Ho}",

note = "Funding Information: This research was supported by the Nano R&D program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology ( 2009-0082604 ). The experiments at PLS were supported in part by MEST and POSTECH.",

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doi = "10.1016/j.tsf.2010.04.084",

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AU - Wang, Seok Joo

AU - Park, Hyung Ho

N1 - Funding Information: This research was supported by the Nano R&D program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology ( 2009-0082604 ). The experiments at PLS were supported in part by MEST and POSTECH.

PY - 2010/10/1

Y1 - 2010/10/1

N2 - Poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) thin films incorporating Pt nanoparticles were synthesized by a simple method using H2PtCl6· xH2O. The surface morphology, chain structure, bonding states, and electronic structure of the films were investigated. Unusual formation of a PEDOT-rich surface was accompanied with interactions between PEDOT:PSS and Pt nanoparticles due to agglomeration of PEDOT:PSS around Pt nanoparticles and destabilization of chain conformation. High doping of the PEDOT moiety occurred during the reduction of H 2PtCl6·xH2O so that an increased work function and a decreased energy gap between the edge of the highest occupied molecular orbital and the Fermi level were observed. Intermediate products including chlorine and [PtCl6]-, and the ionic nature of the Pt nanoparticles were responsible for the resultant properties of Pt-PEDOT:PSS. Products generated during the formation of Pt nanoparticles served as a third anionic dopant like PSS and as an inhibitor of segregation.

AB - Poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) thin films incorporating Pt nanoparticles were synthesized by a simple method using H2PtCl6· xH2O. The surface morphology, chain structure, bonding states, and electronic structure of the films were investigated. Unusual formation of a PEDOT-rich surface was accompanied with interactions between PEDOT:PSS and Pt nanoparticles due to agglomeration of PEDOT:PSS around Pt nanoparticles and destabilization of chain conformation. High doping of the PEDOT moiety occurred during the reduction of H 2PtCl6·xH2O so that an increased work function and a decreased energy gap between the edge of the highest occupied molecular orbital and the Fermi level were observed. Intermediate products including chlorine and [PtCl6]-, and the ionic nature of the Pt nanoparticles were responsible for the resultant properties of Pt-PEDOT:PSS. Products generated during the formation of Pt nanoparticles served as a third anionic dopant like PSS and as an inhibitor of segregation.

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Properties of one-step synthesized Pt nanoparticle-doped poly(3,4-ethylenedioxy thiophen):poly(styrenesulfonate) hybrid films

Abstract

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