نتایج جستجو برای: scattering layer

تعداد نتایج: 391535  

بهجت, عباس, جعفری ندوشن, فاطمه, خوشرو, علیرضا, قشنی, مارال,

Dye-sensitized solar cell (DSSC) using natural Pomegranate juice as dye-sensitizeris fabricated and characterized. DSSCS consist of a working electrode, a redox electrolyte containing iodide and tri-iodide ions and a counter electrode. A nanocrystalline TiO2 semiconductor with a wide band-gap coated with a monolayer dye-sensitizer is used as working electrode. The effect of titanium dioxide (Ti...

Journal: :Physical chemistry chemical physics : PCCP 2009
Hsueh-Pei Lu Chi-Lun Mai Chen-Yuan Tsia Shun-Ju Hsu Chou-Pou Hsieh Chien-Lan Chiu Chen-Yu Yeh Eric Wei-Guang Diau

YD12 (eta = 6.7%) is a green sensitizer remarkable for its outstanding cell performance beyond that of N719 (eta = 6.1%) with no added scattering layer; the additional scattering layer assists N719 in promoting the efficiency in the red shoulder of the spectrum, but has only a small effect on the improvement of the cell performance for porphyrins.

Journal: :Optics express 2017
Xiaodong Tao Tuwin Lam Bingzhao Zhu Qinggele Li Marc R Reinig Joel Kubby

The small correction volume for conventional wavefront shaping methods limits their application in biological imaging through scattering media. We demonstrate large volume wavefront shaping through a scattering layer with a single correction by conjugate adaptive optics and remote focusing (CAORF). The remote focusing module can maintain the conjugation between the adaptive optical (AO) element...

Journal: :Journal of bacteriology 2013
Gerhard Sekot David Schuster Paul Messner Dietmar Pum Herwig Peterlik Christina Schäffer

Crystalline cell surface layers (S-layers) represent a natural two-dimensional (2D) protein self-assembly system with nanometer-scale periodicity that decorate many prokaryotic cells. Here, we analyze the S-layer on intact bacterial cells of the Gram-positive organism Geobacillus stearothermophilus ATCC 12980 and the Gram-negative organism Aquaspirillum serpens MW5 by small-angle X-ray scatteri...

Journal: :Physical review. B, Condensed matter 1996
Zheng Das Sarma S

We calculate Coulomb scattering lifetimes of electrons in two-subband quantum wires and in double-layer quantum wells by obtaining the quasiparticle self-energy within the framework of the random-phase approximation for the dynamical dielectric function. We show that, in contrast to a single-subband quantum wire, the scattering rate in a two-subband quantum wire contains contributions from both...

Journal: :The Journal of the Acoustical Society of America 1973

Journal: :Biomedical optics express 2013
Tyler B Rice Elliott Kwan Carole K Hayakawa Anthony J Durkin Bernard Choi Bruce J Tromberg

Laser Speckle Imaging (LSI) is a simple, noninvasive technique for rapid imaging of particle motion in scattering media such as biological tissue. LSI is generally used to derive a qualitative index of relative blood flow due to unknown impact from several variables that affect speckle contrast. These variables may include optical absorption and scattering coefficients, multi-layer dynamics inc...

1999
F. Gámiz J. B. Roldán J. A. López-Villanueva J. E. Carceller

The effect of surface roughness scattering on electron transport properties in extremely thin silicon-on-insulator inversion layers is carefully analyzed. It is shown that if the silicon layer is thin enough ~thinner than 10 nm! the presence of the buried interface plays a very important role, both by modifying the surface roughness scattering rate due to the gate interface, and by itself provi...

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