Zobrazeno 1 - 10
of 21
pro vyhledávání: '"David D. Evanoff"'
Publikováno v:
Spectroscopy Letters. 48:144-152
The dependence of surface-enhanced fluorescence of the semiconducting polymer poly (3-hexylthiophene) on the diameter of silver nanoparticles was studied. Particle suspensions with a high degree of monodispersity, ranging in diameter from 15 to 153 n
Publikováno v:
Spectroscopy Letters. 43:539-544
Infrared spectroscopy has been utilized for nearly a century as a qualitative tool for, at least, partial structure elucidation. More recently, infrared spectroscopy has become a powerful, reliable quantitative analysis tool in industrial chemistry a
Autor:
Joseph B. Carroll, Zachary J. Hunt, David D. Evanoff, Justin R. Lawrence, Ryan D. Roeder, Stephen H. Foulger
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 46:7882-7897
Methyl methacrylate derived monomers functionalized with pendant carbazole and oxadiazole moieties were synthesized and could be copolymerized to form a random copolymer. The glass transition temperature of the copolymers could be predicted with a Fo
Autor:
Ryan D. Roeder, J. M. Houchins, Yurong Ying, Christopher F. Huebner, S. E. Hayes, Joseph B. Carroll, Justin R. Lawrence, Stephen H. Foulger, Goo Hwan Shim, David D. Evanoff
Publikováno v:
Advanced Materials. 19:3507-3512
Publikováno v:
Advanced Materials. 17:1905-1908
Autor:
David D. Evanoff, George Chumanov
Publikováno v:
The Journal of Physical Chemistry B. 108:13957-13962
Extinction, scattering, and absorption cross sections and efficiencies were experimentally measured for chemically clean silver nanoparticles in water for 16 different sizes ranging from 29 to 136 nm. The measured efficiencies indicate that particles
Publikováno v:
The Journal of Physical Chemistry B. 108:13948-13956
A method for size-controlled synthesis of chemically clean silver nanoparticles is proposed and described. The synthesis is based on the reduction of silver(I) oxide by hydrogen gas in water and offers the advantages of being easily scalable and able
Publikováno v:
The Journal of Physical Chemistry B. 108:1522-1524
The distance dependence of the local EM field associated with 84 ± 5 nm silver particles is characterized by monitoring spectral shifts in the plasmon resonance due to changes in local dielectric environment, which was controlled by coating the part
Autor:
J. Michael Houchins, Christopher F. Huebner, Stephen H. Foulger, David D. Evanoff, Joseph B. Carroll, Alexandra L. Foguth, Brian J. Stevenson, Justin R. Lawrence
Publikováno v:
ACS applied materialsinterfaces. 1(4)
Methacrylate monomers functionalized with pendant carbazole and oxadiazole moieties were copolymerized into random copolymers with varying carbazole/oxadiazole ratios. Specifically, the monomers of 2-(9H-carbazol-9-yl)ethyl 2-methylacrylate (CE) and
Publikováno v:
Organic Photonic Materials and Devices XII.
The functionalization of colloidal surfaces has been an area of scientific research for several decades. With the emergence of click reactions, particularly the copper(I) catalyzed version of Huisgen 1,3-dipolar cycloaddition between azides and alkyn