Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 20 for “"CdCl2"”.
-
Characterization and modeling of CdCl2 treated CdTe/CdS thin-film solar cells
… is a post-CdTe deposition heat treatment with CdCl2, which can improve performance by promoting CdTe recrystallization, QE response, defect passivation and others. Understanding the effects of the CdCl2 treatment is crucial in order to optimize processing conditions and improve performance. …
-
Furoiltioureas: naturaleza de sus complejos con CdCl2 y HgCl2 y su utilización en sensores electroquímicos
… y 3,3-disustituidas) y las sales CdCl2 y HgCl2, para evaluar y correlacionar sus propiedades con el comportamiento de los ligandos como ionóforos o modificantes en sensores electroquímicos potenciométircos y amperométricos. Para lograr este objetivo, se obtuvieron y caracterizaron …
-
Investigation of spatial variations in collection efficiency of solar cells
… bandgap CdTe1–xSx, during the post-deposition CdCl2 treatment commonly used to improve performance. Investigation of the impact of CdCl2 on a CdTe solar cell indicates that the treatment reduces the number of variations seen with above-bandgap photon energies, but also increases local …
-
Engineering of electroplated materials for multilayer next generation graded bandgap solar cells
… The inclusion of F and Ga into the regular CdCl2 post-growth treatment (PGT) and the effect of pH were also explored with improved results as compared to the regular CdCl2-PGT. The inclusion of Ga into the regular CdCl2 post-growth treatment (PGT) and the effect of pH were also explored with …
-
Carrier transport, recombination, and the effects of grain boundaries in polycrystalline cadmium telluride thin films for photovoltaics
… groups fabricating the material and devices. A CdCl2 anneal is commonly performed as part of this fabrication and its effects were also investigated. Photoluminescence (PL) spectroscopy was employed to study the band structure and defect states in CdTe polycrystals. Cadmium vacancy- and …
-
Drift Mobility Measurements and Electrical Characterization in Thin Film Cadmium Telluride Solar Cells
… before and after a vapor phase treatment with CdCl2; treatment had little effect on the hole drift mobility, but decreased the electron mobility. The electron mobility shows an interesting inverse correlation with the open-circuit voltage for the CdTe coupons with and without the CdCl2 …
-
Beleuchtungsabhängiger Ladungstransport durch tiefe kompensierende Störstellen in CdTe- und Cu(In,Ga)Se 2 -Solarzellen
… ein Verfahren vor, in dem das Aktivierungsmittel CdCl2 bzw. NaCl durch Aerosolbeschichtung homogen auf den CdTe-Absorber aufgetragen und zur Aktivierung benutzt wird. Des weiteren wird als Rückkontaktzwischenschicht mittels DC-Kathodenzerstäubung hergestelltes Sb2Te3 untersucht. Die bei 180C …
-
Identification, localization and metal-catalyzed induction of specific metallothionein isoforms expressed by the adult human lens
… level) and establishes that MT RA is induced by CdCl2 and ZnCl2 but surprisingly not by CuCl2 in cultured HLE cells. These data suggest a role for different isoforms of MT in different portions of the lens and also suggests that regulation of MT transcription may play an important role in lens …
-
Eletrossíntese e caracterização de Quantum Dots de CdTe e CdSe
… para posterior reação com o precursor metálico,CdCl2/TGA. Os QDs obtidos a partir dessa metodologia apresentaram boa estabilidade e alta luminescência, com tamanhos médios de 3,9 nm para o CdTe e de 2,6 nm para o CdSe. Também foi avaliada a fluorescência dos QDs na presença do íon Hg2+, sendo …
-
Screening der apoptoseinduzierenden Interaktionen von Nephrotoxinen unter besonderer Berücksichtigung von Ochratoxin A
… Substanzen, wie Antibiotika, NO-Donoren, H2O2, CdCl2, Cisplatin, Cyclosporin A und unterschiedliche pH-Werte in Kombination mit OTA. Bedingt durch die hohe Zahl möglicher Kombinationen verwendeten wirt ein schnelles und effizienztes Apoptose-Screening. Wir bestimmten Caspase-3 Aktivität und …
-
Synthese und Charakterisierung von segmentierten amphiphilen Netzwerken auf der Basis von Polydimethylsiloxan
… in den AN. <br>Durch Exposition eines mit CdCl2-Lösung gequollenen AN zu H2S-Gas wurde CdS in den hydrophilen Phasen gebildet. Im Elektronenmikroskop wurden vereinzelte Anhäufungen von nanometergroßen CdS Kristallen beobachtet.
-
The use of different blood sample preparations in the development of biomarkers for the environmental monitoring of domestic farm animals
… by the Comet assay. In contrast, the effects of CdCl2 were dependent on the duration of exposure as well as the sample preparation. The analysis of leukocyte subsets in frozen sheep blood showed no alterations in the percentages of T and B lymphocytes but led to a major decrease in the percentage …
-
The Effects of Chronic Cadmium Exposure on Breast Cancer Progression
… cell line (MCF7-Cd) chronically exposed to 10-7M CdCl2 was developed and serves as a model system to facilitate studies on the effects of chronic cadmium exposure on breast cancer progression. The data presented here suggest that prolonged cadmium exposure results in the development of more …
-
Synthesis and characterization of N-alkylthiourea and N, N -dialkylthiourea complexes of Cu, Cd and Pb, and their use as single source precursors for the synthesis of metal sulfide nanoparticles
… structures of [CdCl3(CS(NH2)(NHCH3)3]n (I) and CdCl2(CS(NH2)NHCH2CH3)2 (II), CdCl2(CS(NH2)-NHCeHs^ (III) and CdCI2(CS(NH-CH3)2)2 (IV) were determined by single crystal X-ray methods. Complex I have a six coordinate polymeric chain with a CdCl3S3 core, which together with complex III (a monomer) …
-
Synthesis and Coordination Chemistry of Water-soluble Phosphines: Application to Ru-Catalyzed Hydration of Nitriles in Aqueous and Biphasic Media
… [ZnCl2(S=PTAH)(S=PTAZnCl3)], and [CdCl2(S=PTA)(CH3OH)]n, have been synthesized, and characterized by IR, elemental analysis, ESI-MS, 1H and 31P{1H} NMR, and single-crystal X-ray analysis. Their structures and coordination modes are investigated both in the solid state and in aqueous …
-
CdTe Solar Cells: Key Layers and Electrical Effects
… at a CdTe thickness of ~ 3 μm, for which the CdCl2 treatment used was optimum. Both the uniformity and roughness of the cell layers are vital to obtaining high quality results using this methodology. The electrical current transport mechanism in the CdTe/CdS heterojunction was investigated as …
-
Identifizierung und Charakterisierung des vakuolaren ABC-Transporters Mlt1p und der Phospholipase B Plb5p von Candida albicans
… keinen hypersensitiven Phänotyp gegenüber CdCl2, CDNB oder irgendeiner anderen getesteten inhibitorischen Substanz auf. CaMlt1p ist demzufolge kein funktionales Homolog von scYcf1p. Als vakuolar lokalisiertes Protein weist caMLT1 ein für diese Proteingruppe typisches Transkriptionsprofil …
-
Metal oxides as buffer layers in polycrystalline CdTe thin-film solar cells
… performance. The study finds that a double CdCl2 passivation procedure before and after the deposition of oxides is critical to the performance of these solar cells. Devices with the TeOx and the Te layer as back buffer demonstrated a power conversion efficiency in excess of 17 % without the …
-
Coordination and lonic compounds of benzamide and related molecules and metal halides
… the combination of benzamide with CuCl2, CuBr2, CdCl2 and CdBr2 respectively. In this isostructural series the metal ions adopt an octahedral geometry in the case of the Cd analogues, and a tetragonal geometry, due to Jahn-Teller distorsion, for the Cu members of the series. The combination of …
-
Responses of an Environmental Gram-negative Bacterium to Pollutant Stress
… these were determined as follows; 2.0 gL-1 for CdCl2, 2.0 gL-1 for CuCl2.2H2O, 2.0 gL-1 for NiCl2.6H2O, 1.0 gL-1 for CoCl2.6H2O, 0.025 gL-1 for HgCl2, 0.25 gL-1 for SDS, 0.2 gL-1 for NaAsO2 and 0.5 gL-1 for phenol, from A600 readings and viable counts. Major HSPs were present at relatively lower …