Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Phenylene oligomers

Weiss EA, Ahrens MJ, Sinks LE, Gusev AV, Ratner MA, Wasielewski MR (2004) Making a molecular wire charge and spin transport through para-phenylene oligomers. J Am Chem Soc 126(17) 5577-5584... [Pg.38]

Baker, K.N., Fratini, A.V., Resch, T., Knachel, H.C., Adams, W.W., Socd, E. P. and Farmer, B.L (1993) Crystal structures, phase transition and energy calculations of poly-p-phenylene oligomers. Polymer, 34, 1571-87. [Pg.208]

Scheme 6.5 Schluter and coworkers synthesis of phenylene oligomers capable of undergoing high-yield macrocyclizations. Scheme 6.5 Schluter and coworkers synthesis of phenylene oligomers capable of undergoing high-yield macrocyclizations.
Figure 8. Dinuclear complexes containing / -phenylene oligomers as bridging ligands. Figure 8. Dinuclear complexes containing / -phenylene oligomers as bridging ligands.
Poly o-phenylene oligomers 116 having three to nine rings were prepared using a Suzuki... [Pg.605]

In poly(p-phenylene) the adjacent phenyl rings are rotated by about 22° with respect to one another [as determined from the X-ray diffraction data on p-phenylene oligomers (Delugeard et al., 1976 Baudour et al.,... [Pg.276]

Li, X.-Y, Tang, X.-S., and He, E.-C., Electron transfer in poly(p-phenylene) oligomers Effect of external electric field and application of Koopmans theorem, Chem. Phys., 248, 137, 1999. [Pg.25]

Ponomarenko, S.A. et al., Decyl-end-capped thiophene-phenylene oligomers as organic... [Pg.223]

Baker, K.N. et al.. Crystal-structures, phase-transitions and energy calculations of poly(p-phenylene) oligomers. Polymer 34, 1571-1587, 1993. [Pg.296]

The polymer that results when benzene is reacted with the powerful oxidizers 02+ and C6F6+ is readily oxidized by AsF5 (13,14). (AsF5, although not capable of initiating the polymerization of benzene, can polymerize the more easily oxidized phenylene oligomers, including biphenyl). [Pg.181]

Alternatives to tubular channels are transmeinbrane aggregates that enclose a hydrophilic pore. One example is based on poly-p-phenylene oligomers bearing side arms... [Pg.744]

Fig. 11.9. The DMRG calculated transition energies of poro-phenylene oligomers as a function of inverse chain length. Calculated from the Pariser-Parr-Pople model with unscreened parameters U = 10.06 eV, tp = 2.539 eV, ts = 2.22 eV, and a... Fig. 11.9. The DMRG calculated transition energies of poro-phenylene oligomers as a function of inverse chain length. Calculated from the Pariser-Parr-Pople model with unscreened parameters U = 10.06 eV, tp = 2.539 eV, ts = 2.22 eV, and a...
Fig. 11.10. The DMRG calculated transition energies in pam-phenylene oligomers of a number of and states as a function of 1/AI, where N is the number of repeat units. Calculated from the Pariser-Parr-Pople model with unscreened parameters U = 10.06 eV, tp = 2.539 eV, td = 2.684 eV, ts = 2.22 eV, and e = 1. The low-lying states are branches of the n = 1 family of Mott-Wannier excitons and the low-lying states are branches of the n = 2 family of Mott-Wannier excitons. (See also Fig. 6.5.) l Rf (large, open circles), (open, down triangles), (up triangles), 4 R(" (diamonds) 2 21 (small, solid circles), 3 21 ... Fig. 11.10. The DMRG calculated transition energies in pam-phenylene oligomers of a number of and states as a function of 1/AI, where N is the number of repeat units. Calculated from the Pariser-Parr-Pople model with unscreened parameters U = 10.06 eV, tp = 2.539 eV, td = 2.684 eV, ts = 2.22 eV, and e = 1. The low-lying states are branches of the n = 1 family of Mott-Wannier excitons and the low-lying states are branches of the n = 2 family of Mott-Wannier excitons. (See also Fig. 6.5.) l Rf (large, open circles), (open, down triangles), (up triangles), 4 R(" (diamonds) 2 21 (small, solid circles), 3 21 ...
Table 11.6 The relaxation energies of the IBiu state and polaron for para-phenylene oligomers (in eV) calculated from the Peierls model (eqn (4-1)) (t = 2.514 eV and A = 0.12 ... Table 11.6 The relaxation energies of the IBiu state and polaron for para-phenylene oligomers (in eV) calculated from the Peierls model (eqn (4-1)) (t = 2.514 eV and A = 0.12 ...
Fig. 11.19. The fractional change in transfer integrals of eight-ring para-phenylene oligomers from the uniform value, t, in the interacting limit. The parameters used in the Pariser-Parr-Pople-Peierls model (eqn (7.1)) are U = 10.06 eV, t = 2.514 eV, and A = 0.12. The labels refer to the bonds shown in Fig. 11.16. Only the upper rung of bonds are shown. Fig. 11.19. The fractional change in transfer integrals of eight-ring para-phenylene oligomers from the uniform value, t, in the interacting limit. The parameters used in the Pariser-Parr-Pople-Peierls model (eqn (7.1)) are U = 10.06 eV, t = 2.514 eV, and A = 0.12. The labels refer to the bonds shown in Fig. 11.16. Only the upper rung of bonds are shown.
Flickel B, Hinze G, Diezemann G, Nolde F, Mlillen K, Gauss J, Basche T (2006) Flexibility of phenylene oligomers revealed by single molecule spectroscopy. J Chem Phys 125 144903... [Pg.114]

Novel Photonic Responses from Low-dimensional Crystals of Thiophene/Phenylene Oligomers... [Pg.455]

K. Yase, E.-M. Han, K. Yamamoto, Y. Yoshida, N. Takada and N. Taniguchi, One-dimensional growth of phenylene oligomer single crystals of friction-transferred poly(p-phenylene) film, Jpn. J. Appl. Phys.. 36, 2843-2848 (1997). [Pg.476]

T. Mikami and H. Yanagi, Epitaxial structuring of blue light-emitting p-phenylene oligomers, Appl. Phys. Lett.. 73, 563-565 (1998). [Pg.476]


See other pages where Phenylene oligomers is mentioned: [Pg.124]    [Pg.14]    [Pg.234]    [Pg.232]    [Pg.551]    [Pg.107]    [Pg.3925]    [Pg.224]    [Pg.231]    [Pg.124]    [Pg.274]    [Pg.3924]    [Pg.473]    [Pg.713]    [Pg.727]    [Pg.707]    [Pg.219]    [Pg.221]   
See also in sourсe #XX -- [ Pg.232 ]




SEARCH



Phenylene ethylene, oligomers

Phenylene ethynylene oligomer

Phenylene ethynylene oligomers

Phenylene-vinylene oligomers

Thiophene/phenylene co-oligomers

© 2024 chempedia.info