Synthesis and Photophysical Properties of Dihydroheptacenes: New Blue-Emitting Materials
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7,16-Dihydroheptacenes (1−3) substituted at the 6, 8, 15, and 17 positions are synthesized as blue emitters potentially useful in organic light emitting diodes (OLEDs). The photophysical properties of 1−3 (λmax = 424−428 nm, ΦF = 0.15−0.21, τF = 2.35−2.67 ns in CH2Cl2) are discussed. They are shown to be stable and efficient blue emitters in the solid state (ΦF = 0.37−0.44). The X-ray crystal structure of 1 is reported.
创建时间：
2006-05-26
