| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2011: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Research Abstract |
An indeno[2,1-b]fluorene derivative, a 20π electron hydrocarbon, was synthesized to clarify novel properties associated with singlet diradical characters. The moderate amplitude diradical character of the indeno[2,1-b]fluorene derivative was theoretically and experimentally proved. The indeno[2,1-b]fluorene derivative exhibits an extremely low-energy light absorption band whose absorption end extends to 2000 nm despite its small conjugation space consisting of only 20 π electrons. The present knowledge is useful for the design of new classes of materials based on small molecules with low-energy light absorption.
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