Absorption Spectroscopy of Charged Excitations in ..alpha..-Sexithiophene: Evidence for Charge Conjugation Symmetry Breaking

doi:10.1016/0301-0104(96)00075-4

Absorption Spectroscopy of Charged Excitations in ..alpha..-Sexithiophene: Evidence for Charge Conjugation Symmetry Breaking

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Abstract

We have studied the absorption spectra of charged excitations in sexithiophene thin films induced by doping and photogeneration. Absorption bands at 0.80 and 1.54 eV are attributed to spin-1/2 polarons, whereas a single absorption band at 1.1 eV is due to spinless bipolarons. Charge conjugation symmetry breaking is evident for both polarons and bipolarons.

Original language	American English
Pages (from-to)	229-234
Number of pages	6
Journal	Chemical Physics
Volume	210
Issue number	1,2
DOIs	https://doi.org/10.1016/0301-0104(96)00075-4
State	Published - 1996

NREL Publication Number

NREL/JA-450-22323

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10.1016/0301-0104(96)00075-4

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title = "Absorption Spectroscopy of Charged Excitations in ..alpha..-Sexithiophene: Evidence for Charge Conjugation Symmetry Breaking",

abstract = "We have studied the absorption spectra of charged excitations in sexithiophene thin films induced by doping and photogeneration. Absorption bands at 0.80 and 1.54 eV are attributed to spin-1/2 polarons, whereas a single absorption band at 1.1 eV is due to spinless bipolarons. Charge conjugation symmetry breaking is evident for both polarons and bipolarons.",

author = "NREL",

year = "1996",

doi = "10.1016/0301-0104(96)00075-4",

language = "American English",

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N2 - We have studied the absorption spectra of charged excitations in sexithiophene thin films induced by doping and photogeneration. Absorption bands at 0.80 and 1.54 eV are attributed to spin-1/2 polarons, whereas a single absorption band at 1.1 eV is due to spinless bipolarons. Charge conjugation symmetry breaking is evident for both polarons and bipolarons.

AB - We have studied the absorption spectra of charged excitations in sexithiophene thin films induced by doping and photogeneration. Absorption bands at 0.80 and 1.54 eV are attributed to spin-1/2 polarons, whereas a single absorption band at 1.1 eV is due to spinless bipolarons. Charge conjugation symmetry breaking is evident for both polarons and bipolarons.

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U2 - 10.1016/0301-0104(96)00075-4

DO - 10.1016/0301-0104(96)00075-4

M3 - Article

SN - 0301-0104

VL - 210

SP - 229

EP - 234

JO - Chemical Physics

JF - Chemical Physics

IS - 1,2

ER -

Absorption Spectroscopy of Charged Excitations in ..alpha..-Sexithiophene: Evidence for Charge Conjugation Symmetry Breaking

Abstract

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