Polyaniline exhibiting stable and reversible switching in the visible extending into the near-IR in aqueous media

Jacob Tarver; Joung Eun Yoo; Yueh Lin Loo

doi:10.1021/cm903455w

Polyaniline exhibiting stable and reversible switching in the visible extending into the near-IR in aqueous media

Jacob Tarver, Joung Eun Yoo, Yueh Lin Loo

Chemical & Biological Engineering

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

32 Scopus citations

Abstract

Spun-cast films comprising polyaniline (PANI) that is template synthesized with poly(2-acrylamido-2-methyl-1-propanesulfonic acid), PAAMPSA, can be reversibly switched between emeraldine salt, leucoemeraldine base, and for the first time, pernigraniline base states in aqueous media at near-neutral pHs. Transitions between the green, transparent and violet states occur within 1-10 s, comparable to the electrochromic switching times reported for thin films deposited via layer-by-layer approaches. Solvent annealing in dichloroacetic acid induces structural rearrangement within PANI-PAAMPSA, resulting in significantly improved stability and reversibility upon repeated cycling, and moreover, imparting tunable polyelectrochromism that extends into the near-infrared (1100 nm).

Original language	English (US)
Pages (from-to)	2333-2340
Number of pages	8
Journal	Chemistry of Materials
Volume	22
Issue number	7
DOIs	https://doi.org/10.1021/cm903455w
State	Published - Apr 13 2010

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
Materials Chemistry

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10.1021/cm903455w

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title = "Polyaniline exhibiting stable and reversible switching in the visible extending into the near-IR in aqueous media",

abstract = "Spun-cast films comprising polyaniline (PANI) that is template synthesized with poly(2-acrylamido-2-methyl-1-propanesulfonic acid), PAAMPSA, can be reversibly switched between emeraldine salt, leucoemeraldine base, and for the first time, pernigraniline base states in aqueous media at near-neutral pHs. Transitions between the green, transparent and violet states occur within 1-10 s, comparable to the electrochromic switching times reported for thin films deposited via layer-by-layer approaches. Solvent annealing in dichloroacetic acid induces structural rearrangement within PANI-PAAMPSA, resulting in significantly improved stability and reversibility upon repeated cycling, and moreover, imparting tunable polyelectrochromism that extends into the near-infrared (1100 nm).",

author = "Jacob Tarver and Yoo, \{Joung Eun\} and Loo, \{Yueh Lin\}",

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T1 - Polyaniline exhibiting stable and reversible switching in the visible extending into the near-IR in aqueous media

AU - Tarver, Jacob

AU - Yoo, Joung Eun

AU - Loo, Yueh Lin

PY - 2010/4/13

Y1 - 2010/4/13

N2 - Spun-cast films comprising polyaniline (PANI) that is template synthesized with poly(2-acrylamido-2-methyl-1-propanesulfonic acid), PAAMPSA, can be reversibly switched between emeraldine salt, leucoemeraldine base, and for the first time, pernigraniline base states in aqueous media at near-neutral pHs. Transitions between the green, transparent and violet states occur within 1-10 s, comparable to the electrochromic switching times reported for thin films deposited via layer-by-layer approaches. Solvent annealing in dichloroacetic acid induces structural rearrangement within PANI-PAAMPSA, resulting in significantly improved stability and reversibility upon repeated cycling, and moreover, imparting tunable polyelectrochromism that extends into the near-infrared (1100 nm).

AB - Spun-cast films comprising polyaniline (PANI) that is template synthesized with poly(2-acrylamido-2-methyl-1-propanesulfonic acid), PAAMPSA, can be reversibly switched between emeraldine salt, leucoemeraldine base, and for the first time, pernigraniline base states in aqueous media at near-neutral pHs. Transitions between the green, transparent and violet states occur within 1-10 s, comparable to the electrochromic switching times reported for thin films deposited via layer-by-layer approaches. Solvent annealing in dichloroacetic acid induces structural rearrangement within PANI-PAAMPSA, resulting in significantly improved stability and reversibility upon repeated cycling, and moreover, imparting tunable polyelectrochromism that extends into the near-infrared (1100 nm).

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Polyaniline exhibiting stable and reversible switching in the visible extending into the near-IR in aqueous media

Abstract

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