Formation of Specific Charge-transfer Complexes between Hyperbranched Polymer Viologen and Neutral Donors in Solid Films Depending on Donor Fraction

Formation of Specific Charge-transfer Complexes between Hyperbranched Polymer Viologen and Neutral Donors in Solid Films Depending on Donor Fraction

Neutral donors and hyperbranched polymer with many viologen groups formed charge-transfer complexes in solutions and solid films. The charge-transfer absorption and fluorescence spectra showed red shifts with increasing donor fractions only in the case of polymer solid films, strongly suggesting sol...

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Veröffentlicht in:Chemistry letters 2009-08, Vol.38 (8), p.858-859
Hauptverfasser: Sakano, Takeshi, Ito, Fuyuki, Hirata, Osamu, Ozawa, Masaaki, Nagamura, Toshihiko
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container_issue 8
container_start_page 858
container_title Chemistry letters
container_volume 38
creator Sakano, Takeshi
Ito, Fuyuki
Hirata, Osamu
Ozawa, Masaaki
Nagamura, Toshihiko
description Neutral donors and hyperbranched polymer with many viologen groups formed charge-transfer complexes in solutions and solid films. The charge-transfer absorption and fluorescence spectra showed red shifts with increasing donor fractions only in the case of polymer solid films, strongly suggesting solvatochromism in solid films and formation of multichromophore CT complex. These are unique microenvironmental effects of the present cationic polymer.
doi_str_mv 10.1246/cl.2009.858
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title Formation of Specific Charge-transfer Complexes between Hyperbranched Polymer Viologen and Neutral Donors in Solid Films Depending on Donor Fraction
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