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Observation of the solid-state formation of a TTF–CA complex by terahertz spectroscopy |
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| Authors: | Jun-ichi Nishizawa Takenori Tanno Takahiro Oohashi Hiraku Watanabe Yutaka Oyama |
| Affiliation: | 1. Semiconductor Research Institute, Semiconductor Research Foundation, 519-1176 Aramaki aza-Aoba, Aoba-ku, Sendai 980-0845, Japan;2. Department of Materials Science and Engineering, Graduate School of Engineering, Tohoku University, 6-6-11-1020 Aramaki aza-Aoba, Aoba-ku, Sendai 980-8579, Japan |
| Abstract: | The solid-state synthesis of a tetrathiafulvalene–chloranil (TTF–CA) complex was demonstrated, and progress in the formation of the complex was monitored using a GaP Raman terahertz (THz) spectrometer. Clear transitions in the THz absorption spectra indicated that the mixture of TTF and CA became the black phase TTF–CA complex. The results of X-ray diffraction, Raman scattering, and FTIR spectra are presented as supporting evidence. |
| Keywords: | TTF&ndash CA Solvent-free reaction Terahertz Far infrared spectrometry Molecular crystal Charge-transfer complex |
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