2013
DOI: 10.1021/jp401004m
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Systematic Molecular Design of p-Phenylene Lasing Properties

Abstract: In an effort to design p-phenylene laser dyes with molecular properties which allow them to work more effectively with 308 nm XeCl lasers, two new empirical theories are proposed to predict the peak lasing wavelength of terminally substituted p-phenylene laser dyes. These theories account for variable numbers of p-phenylene units, different terminal groups with a range of electronic properties, and the effects of bridging between p-phenylene units. Both empirical models predict maximum molar absorption coeffic… Show more

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Cited by 7 publications
(5 citation statements)
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References 27 publications
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“…272–273 °C (lit., 273–274 °C); R f = 0.17 (petroleum ether); IR (cm –1 , KBr): 2966, 1606, 1490, 1291, 1180, 832; 1 H NMR (CDCl 3 , 400 MHz) δ (ppm) 7.61 (s, 4H), 7.57 (d, J = 8.8 Hz, 4H), 6.99 (d, J = 8.8 Hz, 4H), 3.86 (s, 6H); 13 C­{ 1 H} NMR (CDCl 3 , 150 MHz) δ (ppm) 159.3, 139.2, 133.4, 128.1, 127.1, 114.3, 55.4. Data were consistent with those reported in the literature …”
Section: Methodssupporting
confidence: 92%
“…272–273 °C (lit., 273–274 °C); R f = 0.17 (petroleum ether); IR (cm –1 , KBr): 2966, 1606, 1490, 1291, 1180, 832; 1 H NMR (CDCl 3 , 400 MHz) δ (ppm) 7.61 (s, 4H), 7.57 (d, J = 8.8 Hz, 4H), 6.99 (d, J = 8.8 Hz, 4H), 3.86 (s, 6H); 13 C­{ 1 H} NMR (CDCl 3 , 150 MHz) δ (ppm) 159.3, 139.2, 133.4, 128.1, 127.1, 114.3, 55.4. Data were consistent with those reported in the literature …”
Section: Methodssupporting
confidence: 92%
“…1−5 Poly- p -phenylene ( PP n ) is a paradigm model for investigating the electrical and optical properties of these polymers 611 as well as the charge transport through them. 12,13 Unfortunately, systematic studies of the neutral and oxidized/reduced PP n molecules are seriously hampered by their poor solubility.…”
Section: Introductionmentioning
confidence: 99%
“…On-going developments in the fields of molecular electronics and photovoltaic devices have led to ever-growing interest in π-conjugated polymers that can be used as molecular wires, donor–acceptor bridges, components of organic light-emitting diodes, etc. 1 − 5 Poly- p -phenylene ( PP n ) is a paradigm model for investigating the electrical and optical properties of these polymers 6 11 as well as the charge transport through them. 12 , 13 Unfortunately, systematic studies of the neutral and oxidized/reduced PP n molecules are seriously hampered by their poor solubility.…”
Section: Introductionmentioning
confidence: 99%
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“…The length of the polymethine chain is well known to produce changes in peak optical absorption wavelengths, λ peak max . 58 Cyanine dyes are likely to be particularly susceptible to this structure-property relationship, owing to their unusually high levels of electron delocalization within their π-conjugated chains cf. the "cyanine limit".…”
Section: Tuning the Polymethine Chain Lengthmentioning
confidence: 99%