نتایج جستجو برای: photocathode
تعداد نتایج: 844 فیلتر نتایج به سال:
Fabrication of economically feasible photocathode for hydrogen energy production through solar water splitting is a major research among the scientific community decade. P-type compound Cu2ZnSnS4 (CZTS) very interesting material due to its absorption property, earth-abundant constituents and environmental friendliness that serves as suitable candidate act photocathode. In present work, nanopart...
A brief introduction to electron and ion sources for particle accelerators is given. Concentrating on the basic processes for the production of these particles, thermionic and photocathode production of electrons and the processes in Penning and electron cyclotron resonance ion sources are covered. Finally, negative ions are discussed.
Photodeposition of Pt on the Sc-doped La5Ti2CuS5O7 (Sc-LTC) photocathode, a visible-light-responsive semiconducting oxysulfide, is accomplished in a solution containing H2PtCl6 and K2C2O4. Pt particles are selectively deposited on the top surface of rod-like Sc-LTC particles as a result of one-dimensional transfer of photogenerated electrons.
We have assumed that a Magnesium (Mg) photocathode can produce a quantum efficiency on the order of 10, which is based on a QE graph posted on the Brookhaven National Laboratory Accelerator Test Facility website. The link to this plot is listed below. This ARDB technical note is an attempt to understand where the data came from and under what experimental conditions the data was taken. Experime...
Projected next-generation linac-based light sources such as PERL or the TESLA free-electron laser (FEL) generally assume, as essential components of their injector complexes, long-pulse photocathode rf electron guns. These guns, due to the nature in which they are operated, may be more susceptible to ion bombardment damage of their cathodes than conventional rf guns. This paper explores this po...
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