Journal
ORGANIC LETTERS
Volume 12, Issue 19, Pages 4236-4239Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol101327h
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Funding
- Marie Curie SolarNType project [MRTN-CT-2006-035533]
- German Science Foundation (Korean-German graduate school IRTG) [SFB 625]
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The synthesis and characterization of novel phenylene bridged boron nitrogen containing pi-conjugated dendrimers N3B6 and N3B3, with peripheral boron atoms and 1,3,5-triaminobenzene moiety as a core, are presented. UV-vis absorption and emission measurements reveal that the optical properties of the resulting compounds can be controlled by changing the donor/acceptor ratio: a 1:1 ratio results in a more efficient charge transfer than the 1:2 ratio. This was proven by the red shift of the emission maxima and the stronger solvatochromic effect in N3B3 compared to N3B6.
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