Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Ryan M. Hoekstra"'
Autor:
Yen-Ting Chen, Stephen F. Nelsen, Jeffrey I. Zink, Matthew D. Kiesz, Ryan M. Hoekstra, João P. Telo
Publikováno v:
The Journal of Physical Chemistry A. 118:11490-11498
The electronic absorption spectrum of 9,9-dimethyl-2,7-dinitrofluorene radical anion in HMPA displays both a NIR intervalence charge transfer and a visible excited state mixed valence transition. These transitions contain a similar vibronic progressi
Autor:
Jeffrey I. Zink, Keiji Okada, Stephen F. Nelsen, Ryan M. Hoekstra, Michael N. Weaver, Marcelle Dibrelle
Publikováno v:
Journal of Physical Organic Chemistry. 25:578-585
The optical and resonance Raman spectra of the 2,2′: 6′,2″:6″,6-trioxytriphenyl-amine cation are measured and interpreted. This molecule contains two simultaneous types of coupling between three chromophores and two types of bridging atoms. T
Autor:
Fabian Spänig, Joann M. Um, Chao-Kuan Tsai, Dirk M. Guldi, Ryan M. Hoekstra, K. N. Houk, Miguel A. Garcia-Garibay, Gregory Kuzmanich
Publikováno v:
Journal of the American Chemical Society. 133:2342-2345
Photoinduced decarbonylation of 2,4-bis(spirocyclohexyl)-1,3-cyclobutanedione 1 in the crystalline solid state resulted in formation of a deep blue transient with λ(max) = 550 nm and a half-life of 42 min at 298 K, identified as kinetically stabiliz
Autor:
Joseph W. Ziller, Ming Fang, Jeffrey I. Zink, Gaël Zucchi, Filipp Furche, William J. Evans, Ryan M. Hoekstra
Publikováno v:
Journal of the American Chemical Society. 131:11195-11202
DyI(2) reacts with 2 equiv of KOAr (OAr = OC(6)H(3)(CMe(3))(2)-2,6) under nitrogen to form not only the (N(2))(2-) complex, [(ArO)(2)(THF)(2)Dy](2)(mu-eta(2):eta(2)-N(2)), 1, but also complexes of similar formula with an added potassium ion, [(ArO)(2
Publikováno v:
Journal of Physical Organic Chemistry. 22:522-526
The optical absorption spectrum and resonance Raman enhancement of the lowest energy absorption band of K+7,7,8,8-tetracyanoquinodimethane− (TCNQ) are reported and examined in the mixed valence (MV) framework. The absorption spectrum is assigned, i
Autor:
Jeffrey I. Zink, Stephen F. Nelsen, Rachel M. Stephenson, Ryan M. Hoekstra, Qin Wu, João P. Telo
Publikováno v:
Journal of the American Chemical Society. 132(26)
The resonance Raman spectrum of the simple alkyne bridge in 4,4'-dinitrotolane radical anion shows two distinct bands, providing proof of the solvent-dependent coexistence of charge-localized and -delocalized species. The Raman spectra of normal mode
Publikováno v:
The journal of physical chemistry. A. 113(2)
The lowest energy optical electronic absorption band of the three-chromophore system tris(4-bromophenyl)amine radical cation is analyzed. The lowest energy electronic transition corresponds to a p-bromophenyl orbital to nitrogen p orbital transition
Autor:
Lu Li, Xiaodan Zhu, Baoqing Zeng, Faxian Xiu, Kang L. Wang, Jinfeng Zhu, Mei Xue, Ryan M. Hoekstra
Publikováno v:
Applied Physics Letters. 100:143109
We have fabricated a metallic nanomesh using nanosphere lithography and metal evaporation. The metallic nanomesh has a precisely controlled nanostructure showing excellent uniformity with hexagonally arrayed periodic circular holes. A P3HT:PCBM organ
Publikováno v:
Nanoscale. 4:1978
We propose an optoelectronic model to investigate polymer solar cells with plasmonic nanoparticles. The optical properties of the plasmonic active layers, approximated by the effective medium theory, are combined with the organic semiconductor model.
Publikováno v:
Journal of Physical Chemistry A; Jan2009, Vol. 113 Issue 2, p456-463, 8p