Electrochemically-switchable emission and absorption by using luminescent Lanthanide(III) complex and electrochromic molecule toward novel display device with dual emissive and reflective mode |
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Authors: | Kazuki Nakamura Kenji Kanazawa Norihisa Kobayashi |
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Affiliation: | Department of Image and Materials Science, Graduate School of Advanced Integration Science, Chiba University, Japan |
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Abstract: | Electroswitching of emission and coloration was achieved by a combination of a luminescent Eu(III) complex and an electrochromic molecule of diheptyl viologen (HV2+), indicating that the complex-molecule combination could be used as a display material with dual emissive and reflective modes. The coloration of the material was associated with the electrochromism of HV2+. Emission control was found to be possible due to the electrochromism of HV2+ via intermolecular energy transfer from the excited state of the Eu(III) ion to the reduced state of HV+. By using this mechanism, dual emissive and reflective representation of numerical characters were demonstrated. |
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Keywords: | Dual mode display Energy transfer Lanthanide(III) complex Electrochromism |
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