Block copolymer micelles with near infrared metal phthalocyanine dyes for laser induced writing

Himadri Acharya, Bokyung Yoon, Youn Jung Park, Insung Bae, Cheolmin Park

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A route has been developed to disperse metal-containing phthalocyanine dyes in a non-polar medium based on amphiphilic block copolymer micelles of poly[styrene-block-(4-vinylpyridine)] (PS-b-P4VP) and poly[styrene-bolck- (acrylic acid)] (PS-b-PAA) copolymers. Polar P4VP and PAA efficiently encapsulate cobalt(II), manganese(II), and nickel(II) phthalocyanine dyes by axial coordination of nitrogen and μ-oxo bridged dimerization with the transition metals, respectively. Good dispersion of the dyes is confirmed by the linear enhancement of Q-bands in UV-vis absorption spectra with dye concentration. A thin monolayered PS-b-P4VP micelle film that contained a nickel(II) phthalocyanine dye which efficiently adsorbs a laser beam on a localized area to generate a local heat higher than the glass transition temperatures of both blocks. One-dimensional laser writing on the dye-containing film allows the fabrication of a few submicrometer wide line patterns in which the selfassembled nanostructure of the block copolymer is modified by the directional heat arising from laser scanning. (Figure Presented)

Original languageEnglish
Pages (from-to)1071-1077
Number of pages7
JournalMacromolecular Rapid Communications
Volume31
Issue number12
DOIs
Publication statusPublished - 2010 Jun 16

Fingerprint

Micelles
Block copolymers
Coloring Agents
Dyes
Metals
Infrared radiation
Lasers
Styrene
Nickel
Dimerization
Manganese
Cobalt
Acrylics
Laser beams
Transition metals
phthalocyanine
Absorption spectra
Nanostructures
Nitrogen
Copolymers

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Acharya, Himadri ; Yoon, Bokyung ; Jung Park, Youn ; Bae, Insung ; Park, Cheolmin. / Block copolymer micelles with near infrared metal phthalocyanine dyes for laser induced writing. In: Macromolecular Rapid Communications. 2010 ; Vol. 31, No. 12. pp. 1071-1077.
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Block copolymer micelles with near infrared metal phthalocyanine dyes for laser induced writing. / Acharya, Himadri; Yoon, Bokyung; Jung Park, Youn; Bae, Insung; Park, Cheolmin.

In: Macromolecular Rapid Communications, Vol. 31, No. 12, 16.06.2010, p. 1071-1077.

Research output: Contribution to journalArticle

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