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Size‐Dependent Spectroscopic Properties and Thermochromic Behavior in Poly(substituted thiophene) Nanoparticles
Author(s) -
Kurokawa Naonori,
Yoshikawa Hiroyuki,
Hirota Nobuaki,
Hyodo Kenji,
Masuhara Hiroshi
Publication year - 2004
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200400117
Subject(s) - thermochromism , thiophene , nanomaterials , nanoparticle , nanometre , polymer , materials science , nanotechnology , chemical engineering , chemical physics , chemistry , organic chemistry , engineering , composite material
Nanoparticles are attractive nanomaterials , since they exhibit unique physical and chemical properties. We have found that poly(substituted thiophene) nanoparticles, ranging in size from several tens to hundreds of nanometers, exhibit size‐dependent characteristic spectroscopic properties and thermochromic behavior, which can be explained by distorted polymer conformations in the surface layer (see graphic).