نتایج جستجو برای: ellipsometry
تعداد نتایج: 2054 فیلتر نتایج به سال:
Pulsed laser deposited tetrahedral amorphous carbon with high sp3 fractions and low optical bandgaps
Amorphous carbon films with sp3 bonded carbon fractions over 70% are deposited by pulsed laser deposition. However, the optical bandgap obtained from optical transmittance and spectroscopic ellipsometry analysis shows the values to be below 1.0 eV. A wide range of measurements such as electron energy loss spectroscopy, visible Raman, spectroscopic ellipsometry, optical transmittance, and electr...
The performance of organic solar cells based on the blends of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C61-butyric acid methyl ester (PCBM) is strongly influenced by blend composition and thermal annealing conditions. For high-efficiency solar cells, a nanoscale interpenetrating network with crystalline order of both constituents is the desirable architecture for the photoactive layer. To...
Fluorocarbon gases introduced above monolayers of phospholipids at the air/water interface were recently found to promote adsorption diverse molecular compounds, with potential application in drug-loaded microbubble design. Quantitative determination fluorocarbon present is strongly needed for development such applications. We hypothesized that neutron reflectometry (NR) and ellipsometry experi...
"Conduction-band electron effective mass in Zn 0.87 Mn 0.13 Se measured by terahertz and far-infrared magnetooptic ellipsometry" (2006). Faculty Publications from Nebraska Center for Materials and Nanoscience. 11.
Poly(dimethylsiloxane) (PDMS) was irradiated under ambient conditions in air with a Xe2-excimer lamp. The formation of atomic oxygen and ozone during irradiation in air by V-UV photons results in the transformation of PDMS to silicon oxide. The irradiated surfaces were studied by spectroscopic ellipsometry and neutron reflectometry. The measurements revealed the formation of a rough, i.e., betw...
Plasmonic properties of metal nanostructures are appealing due to their potential to enhance photovoltaics or sensing performance. Our aim was to identify the plasmonic characteristics of silver nanoneedles on a reflective layer in the polarized optical response. Experimental ellipsometry results are complemented by finite-difference time-domain (FDTD) calculations. Plasmon resonances on the na...
Two neutralizing human scFv, b1 and h12 were identified initially using ELISA,employing highly purified virus as the coating antigen. The biosensor technique based on imaging ellipsometry was employed directly to detect two neutralizing monoclonal antibodies and serial serum samples from 10 SARS patients and 12 volunteers who had not SARS. Further, the kinetic process of interaction between the...
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