[PDF] Top 20 Radiative recombination in Cu2ZnSnSe4 thin films with Cu deficiency and Zn excess
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Radiative recombination in Cu2ZnSnSe4 thin films with Cu deficiency and Zn excess
... CZTSe thin films with copper deficiency and zinc excess have been fabricated by the group at Northumbria University by the selenisation of metallic precursors magnetron deposited on Mo/glass ... See full document
7
Impact of the selenisation temperature on the structural and optical properties of CZTSe absorbers
... CZTSe thin films with strong Cu deficiency and Zn excess (compositional requirements for the absorber layer in high performance solar cells [4, 15, 16]) are dominated by a broad ... See full document
11
Effects of Ar+ etching of Cu2ZnSnSe4 thin films : an x-ray photoelectron spectroscopy and photoluminescence study
... (FB) recombination of electrons from the conduction band with holes localised at an acceptor affected by potential ...grown films demonstrates a strong copper deficiency: [Cu]/[Zn+Sn] = ... See full document
18
Effect of Thickness on Catalytic Performance of Cu Doped TiO2 Thin Films
... substrates by five dipping with the drawing speed of about 1.5 mm/s at room temperature and the process was repeated to obtain 7 & 9 dip thin film samples of different thickness. The coated specimens were ... See full document
7
High Sensitivity of Porous Cu Doped SnO2 Thin Films to Methanol
... can see that the samples presented a three-dimensional random arrangement of nanoropores with an average pore diameter about of (49 - 67 nm). Therefore, the surface morphology of films is strongly depending upon ... See full document
9
Optical and Electrical Properties of Cu-Based Thin Films by Aerosol Assisted Chemical Vapor Deposition
... [12] Mugwang’a, FK, Karimi, PK, Njoroge, WK, Omayio, O, & Waita, SM. (2013). Optical characterization of Copper Oxide thin films prepared by reactive dc magnetron sputtering for solar cell applications. ... See full document
7
The Effect of Strain Distribution on Abnormal Grain Growth in Cu Thin Films
... as-deposited Cu films are found to have both large and fine ...electroplated Cu films, 10–17) also occurred extensively in the sputter-deposited Cu thin film, which do not contain additives (added ... See full document
6
Effect of Zn Doping On In2se3 Thin Films for Phase Change Random Access Memory (Pram) Applications
... Bin et al. (2007) in their study on Indium selenide nanowire phase change memory, successfully fabricated PRAM with a better switching behavior. They obtained a resistance of about 5 orders of magnitude with the ... See full document
103
Electron spin resonance and optical studies of doped copper (II) Tetrahedral complexes
... Single crystal spectra were recorded for the pure copper compound enH2 CuBr4 and for the doped systems Me 4 N 2 Zn[Cu]Br4 , Rb 3 Zn[Cu]Br5 , Cs 2 Zn[Cu]Br4 and enH2 2 Zn[Cu]Br6 For enH2 [r] ... See full document
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“MEMECYLON UMBELLATUM (MELASTOMATACEAE): A REVIEW” by Himanshu Joshi*, Gururaja M. Pand Sunity singh, India.
... Fe was followed by Mn, Cu and Zn in case of Koppa samples whereas Fe was followed by Mn, Zn and Cu in young leaves and Fe was followed by Mn, Cu and Zn in mature leaves sample of[r] ... See full document
5
Role of [Cu]/[In] Molar Ratio in Controlling Structural, Morphological and Optical Properties of Sprayed CuInS2 Thin Films
... develop thin-films photovoltaic devices, which directly convert sunlight into electricity mainly by semiconductor absorber layers [2], such as CdTe [3], CdSe ... See full document
7
OPTICAL PROPERTIES OF THIN Cu FILMS AS A FUNCTION OF SUBSTRATE TEMPERATURE
... of thin silver films (50 nm, an optical thickness to support surface plasmons) grown under ion ...bombarded films and the Bruggeman effective- media approximation ... See full document
9
Optical and Other Measurement Techniques of Carrier Lifetime in Semiconductors
... sample is under quasi steady-state conditions during the measurement as the light intensity varies from its maximum to zero. The steady-state condition is maintained as long as the flash lamp time constant is longer than ... See full document
7
EFFECT OF EXCESS Bi ON ELECTRICAL PROPERTIES OF Bix Se1-x POLYCRYSTALLINE THIN FILMS
... It may be mentioned that To/T represents the degree of disorder in the material [16]. It is the ratio of characteristic disorder energy to the thermal energy. The values of To for the films with 1% excess ... See full document
9
Effect of Sputtering Process Parameters on the Magnetron Sputtered Ni Ti Cu thin Films
... The film residual stress calculation carried out with the help of the surface profilometry of stylus profilometer on the Ni-Ti-Cu thin films shown in Fig.9(a) indicate the change in average residual ... See full document
5
EFFECT OF EXCESS Bi ON HALL EFFECT MEASUREMENTS OF BiX Se1 X THIN FILMS
... films. The result is consistent with the conclusion drawn from the conductivity data viz, the charge carriers are trapped in grain boundaries. The faster increases of mobility temperature variation observed in the ... See full document
16
Effect of Excess Energy on Supersaturated Fe IIIB Thin Films Formation by Ion Plating
... form thin film layers. The input excess energy was controlled by varying the discharge elec- trode voltage and a substrate bias voltage to the ...the thin film preparation conditions used in this ... See full document
5
Preparation of Cu in Se2 Thin Films by using Various Methods (A Short Review)
... a Cu-poor near stoichiometric CISe with silver gray appearance with reduced surface ...CISe thin films are ...CISe thin films which can contribute near to the improvement in the final ... See full document
13
EFFECT OF ZINC DEFICIENCY ON THE SYNTHESIS OF PROTEIN, MINERAL UP- TAKE AND RIBONUCLEASE ACTIVITY IN THE COTTON PLANT
... In the present paper the effect of zinc deficiency on the synthesis of protein and on the uptake of P, Cu, Mn and Zn in cotton plants raised in water culture has been re[r] ... See full document
9
Optical Dispersion Characterization Of Sprayed Co2O3:Cu Thin Films
... A few drops of HCl were added to make the solution clear,a total volume of 50 ml was used in each deposition. The spray pyrolysis was done by using a laboratory designed glass atomizer, which has an output nozzle of1 mm. ... See full document
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