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Showing 1 to 13 of 13 for “"Photogeneration"”.

  1. Ultrasonic Cavitation and UV-Photogeneration of Hydrides for Improved Sample Introduction Efficiency in Atomic Spectrometry

    Lopez Velazquez, DarrylState University of New York at Buffalo2019

    M.A.

    buffalo Repository record

  2. Charge Photogeneration Experiments and Theory in Aggregated Squaraine Donor Materials for Improved Organic Solar Cell Efficiencies

    Spencer, Susan Demetra

    rit Repository record

  3. Commercialization potential of dye-sensitized mesoscopic solar cells

    Tan, Kwan WeeMassachusetts Institute of Technology2008

    … provides high surface area coverage for the photogeneration process and percolation of charges. In the thesis, we will review the current research efforts to optimize the DSC performance and develop probable applications to complement existing solid-state photovoltaic technologies. We believe …

    mit Repository record

  4. Photochemical ribonucleotide reductase for the study of proton-coupled electron transfer

    Reece, Steven Y., 1980-Massachusetts Institute of Technology2007

    … in biology. This thesis describes methods for photogeneration of amino acid radicals, with particular emphasis on tyrosine. Unnatural fluorotyrosine amino acids are developed to vary the driving force for proton and electron transfer in PCET reactions of tyrosyl radical (Ye), and to provide …

    mit Repository record

  5. Photochemically produced reactive species generation by extracellular organic matter sensitizers from Chlamydomonas reinhardtii

    Tenorio, RaulUniversity of Illinois at Urbana-Champaign2015

    … (SUVA). EOM-sensitized reactive species photogeneration in comparison to other DOM sources was also discussed along with implications for the fate of contaminants, EOM, and culture stability in photobioreactors.

    uiuc Repository record

  6. Proton-coupled electron transfer in the Escherichia coli ribonucleotide reductase

    Chang, Michelle C. Y. (Michelle Chia-yu), 1977-Massachusetts Institute of Technology2004

    … R1 may be triggered in the absence of R2 by the photogeneration of a conserved aromatic amino acid radical located within a synthetic 21-mer peptide derived from the R2 C-terminus.

    mit Repository record

  7. The development of nanoporous metal membranes for analytical separartions

    Bromley, Michael, Boxall, ColinLancaster University2013

    … selective process has been developed for the photogeneration of robust, conducting metal layers on semiconductor-sensitised insulator surfaces with several advantages over traditional, non-photocatalytic techniques including enhanced controllability and deposit purity, reduced operational …

    lancaster Repository record

  8. High Performance Silicon Optoelectronic Devices Enabled by Photocarrier Transport-Recombination Engineering and Surface Light-Trapping Topologies

    Zhang, Yibo2023

    … photocarriers, paving a path to estimating the photogeneration of an arbitrary optical absorber by extracting measurable photocarriers. The results and discussions in this thesis provide key insights amenable to understanding and advancing efficacious photocarrier transport and collection in …

    toronto-retro Repository record

  9. Experimentelle Untersuchung der Ladungsträgerdynamik in photorefraktiven Polymeren

    Kulikovsky, LazarUniversität Potsdam

    … verglichen. Es zeigt sich, dass weder die Photogeneration noch der Transport der Ladungsträger die Geschwindigkeit des Aufbaus des Raumladungsfeldes limitiert. Stattdessen konnte erstmals quantitativ nachgewiesen werden, dass die Dynamik des Raumladungsfelds in den hier untersuchten …

    potsdam-diss Repository record

  10. Development and testing of thin photocatalyst films

    McNeill, AaronQueen's University Belfast2021

    … and decay of transients associated with photogeneration of electrons in CdS paste films, TiO<sub>2</sub> paste films and TiO<sub>2</sub>-SEN films. These results are also compared against results of steady-state oxygen photoreduction by extracting constants to describe the dependence of …

    qu-belfast Repository record

  11. Modeling polymerization-based amplification

    Wong, Ji SamMassachusetts Institute of Technology2016

    … reduced eosin radical which is formed during the photogeneration of free radicals, and the peroxy radical formed by inhibiting reactions of propagating radicals with oxygen. This reaction results in an unreactive hydroperoxy species and the regeneration of ground state eosin which can then produce …

    mit Repository record

  12. Controlling Triplet Excitons in Organic Semiconductors with Lanthanide-Doped Nanoparticles

    van Turnhout, LarsUniversity of Cambridge2025

    … be activated in these systems, enabling direct photogeneration of triplet excited states from the singlet ground state and allowing for a straightforward way to directly measure triplet energies of OSCs. We present the first TAS measurements directly exciting this transition and for the first …

    cambridge Repository record

  13. Nonlinear optical studies of dye-doped nematic liquid crystals

    Klysubun, PrapongVirginia Tech2002

    … origin of this threshold lies in the process of photogeneration, which was found to exhibit the same threshold behavior at the same value of the applied voltage. An asymmetry of the photorefractive gain with respect to the direction of the applied electric field was observed in samples with high …

    vt Repository record