Synthesis and spectroscopic study of phenylene-(poly)ethynylenes substituted by amino or amino/cyano groups at terminal(s): electronic effect of cyano group on charge-transfer excitation of acetylenic π-systems

Fang, Jing-Kun; An, De-Lie; Kan, Wakamatsu; Ishikawa, Takeharu; Iwanaga, Tetsuo; Toyota, Shinji; Akita, Shin-ichi; Matsuo, Daisuke; Orita, Akihiro; Otera, Junzo

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