Molecular Level Ceramic/Polymer Composites. 1. Synthesis of Polymer-Trapped Oxide Nanoclusters of Chromium and Iron

Manish Nandi; Jeanine A. Conklin; Ayusman Sen; Lawrence Salvati

doi:10.1021/cm00012a033

Molecular Level Ceramic/Polymer Composites. 1. Synthesis of Polymer-Trapped Oxide Nanoclusters of Chromium and Iron

Manish Nandi, Jeanine A. Conklin, Ayusman Sen, Lawrence Salvati

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

90 Scopus citations

Abstract

Cr(C_eH₆)₂ or Fe₃(CO)₁₂ was added to polyamic acid solutions derived from 4, 4′ oxydianiline and either 1, 2, 4, 5-benzenetetracarboxylic acid dianhydride or 3, 3′, 4, 4′-benzophenonetetracarboxylic acid dianhydride. Following thermal curing, polyimide films containing a homogeneous dispersion of nanoclusters (size <1–1.5 nm) of Cr₂O₃ or α-Fe(O)(OH) were obtained. Both scanning electron microscopy and secondary ion mass spectroscopy depth profile indicated that the usually observed migration of the dopant to the polymer surface had not occurred. The chemical composition of the dopants were established by X-ray photoelectron spectroscopy.

Original language	English (US)
Pages (from-to)	772-776
Number of pages	5
Journal	Chemistry of Materials
Volume	2
Issue number	6
DOIs	https://doi.org/10.1021/cm00012a033
State	Published - Nov 1 1990

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
Materials Chemistry

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title = "Molecular Level Ceramic/Polymer Composites. 1. Synthesis of Polymer-Trapped Oxide Nanoclusters of Chromium and Iron",

abstract = "Cr(CeH6)2 or Fe3(CO)12 was added to polyamic acid solutions derived from 4, 4′ oxydianiline and either 1, 2, 4, 5-benzenetetracarboxylic acid dianhydride or 3, 3′, 4, 4′-benzophenonetetracarboxylic acid dianhydride. Following thermal curing, polyimide films containing a homogeneous dispersion of nanoclusters (size <1–1.5 nm) of Cr2O3 or α-Fe(O)(OH) were obtained. Both scanning electron microscopy and secondary ion mass spectroscopy depth profile indicated that the usually observed migration of the dopant to the polymer surface had not occurred. The chemical composition of the dopants were established by X-ray photoelectron spectroscopy.",

author = "Manish Nandi and Conklin, {Jeanine A.} and Ayusman Sen and Lawrence Salvati",

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T1 - Molecular Level Ceramic/Polymer Composites. 1. Synthesis of Polymer-Trapped Oxide Nanoclusters of Chromium and Iron

AU - Nandi, Manish

AU - Conklin, Jeanine A.

AU - Sen, Ayusman

AU - Salvati, Lawrence

PY - 1990/11/1

Y1 - 1990/11/1

N2 - Cr(CeH6)2 or Fe3(CO)12 was added to polyamic acid solutions derived from 4, 4′ oxydianiline and either 1, 2, 4, 5-benzenetetracarboxylic acid dianhydride or 3, 3′, 4, 4′-benzophenonetetracarboxylic acid dianhydride. Following thermal curing, polyimide films containing a homogeneous dispersion of nanoclusters (size <1–1.5 nm) of Cr2O3 or α-Fe(O)(OH) were obtained. Both scanning electron microscopy and secondary ion mass spectroscopy depth profile indicated that the usually observed migration of the dopant to the polymer surface had not occurred. The chemical composition of the dopants were established by X-ray photoelectron spectroscopy.

AB - Cr(CeH6)2 or Fe3(CO)12 was added to polyamic acid solutions derived from 4, 4′ oxydianiline and either 1, 2, 4, 5-benzenetetracarboxylic acid dianhydride or 3, 3′, 4, 4′-benzophenonetetracarboxylic acid dianhydride. Following thermal curing, polyimide films containing a homogeneous dispersion of nanoclusters (size <1–1.5 nm) of Cr2O3 or α-Fe(O)(OH) were obtained. Both scanning electron microscopy and secondary ion mass spectroscopy depth profile indicated that the usually observed migration of the dopant to the polymer surface had not occurred. The chemical composition of the dopants were established by X-ray photoelectron spectroscopy.

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Molecular Level Ceramic/Polymer Composites. 1. Synthesis of Polymer-Trapped Oxide Nanoclusters of Chromium and Iron

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