Zobrazeno 1 - 10
of 13
pro vyhledávání: '"R. H. Mauch"'
Publikováno v:
Journal of Applied Physics. 80:5218-5222
The electron paramagnetic resonance (EPR) of cerium and manganese impurities has been studied in SrS powders and thin‐film electroluminescent devices (TFELD) containing an SrS luminescent layer. In both types of material the EPR signal at g=1.31 wa
Publikováno v:
Physica Status Solidi (a). 156:209-214
Calcium halophosphate doped with Eu, Ca5(PO4)3(F, Cl):Eu, was investigated by thermoluminescence, photoluminescence, and diffuse reflection in order to characterize the optical storage properties of this material. The different photoluminescence emis
Publikováno v:
Journal of Crystal Growth. 159:943-946
SrS:Ce,Cl based thin film electroluminescent devices codoped with Mn were investigated. The EL performance is remarkably improved compared to conventional SrS:Ce,Cl. A luminous efficiency exceeding 1.6 lm/W was achieved. The positive impact of Mn cod
Publikováno v:
Journal of Applied Physics. 78:7282-7288
SrS:Ce is an intensively investigated phosphor due to its blue‐green electroluminescence, which shows efficient blue emission after filtering. Recently reported devices based on this material have demonstrated a luminous efficiency of 1.6 lm/W. The
Autor:
Ana García, Paul Benalloul, F. Gendron, C. Barthou, J. Benoit, R. H. Mauch, C. R. Ronda, C. Fouassier, J. Kreissl, U. Troppenz, B. Hütti, H. Venghaus
Publikováno v:
Materials Science Forum. :263-266
The luminescence yield of SrS:Ce,Na powders doped in the range of 0.01 to 1 at.% was investigated. The radiative efficiency and the excitation efficiency, decisive factors contributing to the luminescence yield, were determined by time resolved photo
Publikováno v:
Applied Physics Letters. 69:3525-3527
Vacuum ultraviolet reflectivity measurements of three thin‐film electroluminescent phosphors, zinc sulfide (ZnS), strontium sulfide (SrS), and strontium‐calcium thiogallate (Sr0.45Ca0.55Ga2S4), are reported using thin‐film samples. Measured ZnS
Autor:
R. H. Mauch, S. Richter
The output characteristics and the optical efficiency of SrS:Ce and ZnS:Mn thin-film electroluminescent devices are studied by measuring and evaluating light either directly emitted from the active area or indirectly emitted from its surroundings, in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d129f0767d9a32b158d71ab44c4122a8
https://publica.fraunhofer.de/handle/publica/193912
https://publica.fraunhofer.de/handle/publica/193912
Luminance, transferred charge, photo-induced transferred charge, and efficiency are analyzed for SrS:Ce, Cl EL devices with different phosphor layer thicknesses. At a constant Ce doping concentration of 0.05 at.%, the width of the phosphor layer is v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::852efeb3612809babbe59599668eeaf4
https://publica.fraunhofer.de/handle/publica/189515
https://publica.fraunhofer.de/handle/publica/189515
SrS:CeCl3 based thin film electroluminescent devices in conventional and multilayer structures have been investigated by means of time and voltage dependent photoluminescence (PL) measurements after laser excitation of the Ce3+ ions. It turned out th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::561db54d61359011934c8f99e96fae1c
https://publica.fraunhofer.de/handle/publica/185549
https://publica.fraunhofer.de/handle/publica/185549
Autor:
H. W. Schock, R. H. Mauch
Publikováno v:
Tenth E.C. Photovoltaic Solar Energy Conference ISBN: 9780792313892
ZnO:Al films have been prepared by using reactive DC-Magnetron sputtering method from a Zn-target. Al-doping has been provided by cosputtering of Al which partially covers the Zn-target. A variation of doping from 1 to 5 atomic% has been achieved by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9259eea9eafdb642cd5191a214f5df3
https://doi.org/10.1007/978-94-011-3622-8_23
https://doi.org/10.1007/978-94-011-3622-8_23