Copper deficiency induced varying electronic structure and optoelectronic properties of Cu2−xS thin films

2019 ◽  
Vol 488 ◽  
pp. 477-484 ◽  
Author(s):  
Tvarit A. Patel ◽  
Emila Panda
Keyword(s):  
Thin Films ◽  
Electronic Structure ◽  
Copper Deficiency ◽  
Optoelectronic Properties

scholarly journals Electronic Structure, Optoelectronic Properties, and Photoelectrochemical Characteristics of γ-Cu3V2O8 Thin Films

2017 ◽  
Vol 29 (7) ◽  
pp. 3334-3345 ◽  
Author(s):  
Chang-Ming Jiang ◽  
Maryam Farmand ◽  
Cheng Hao Wu ◽  
Yi-Sheng Liu ◽  
Jinghua Guo ◽  
...  
Keyword(s):  
Thin Films ◽  
Electronic Structure ◽  
Optoelectronic Properties

scholarly journals Synthesis of N-CNT/TiO2 composites thin films: surface analysis and optoelectronic properties

2020 ◽  
Vol 183 ◽  
pp. 05002 ◽  
Author(s):  
Hamza Belkhanchi ◽  
Younes Ziat ◽  
Maryama Hammi ◽  
Charaf Laghlimi ◽  
Abdelaziz Moutcine ◽  
...  
Keyword(s):  
Thin Films ◽  
Surface Analysis ◽  
Sol Gel ◽  
Careful Analysis ◽  
Optoelectronic Properties ◽  
Spectroscopic Techniques ◽  
Large Area ◽  
Visible Absorption ◽  
Temperature Solution ◽  
Good Agreement

In this study, we have investigated the surface analysis and optoelectronic properties on the synthesis of N-CNT/TiO2 composites thin films, using sol gel method for a dye synthetized solar cell (DSSC) which is found to be simple and economical route. The titanium dioxide based solar cells are an exciting photovoltaic candidate; they are promising for the realization of large area devices. That can be synthetized by room temperature solution processing, with high photoactive performance. In the present work, we stated comparable efficiencies by directing our investigation on obtaining Sol Gel thin films based on N-CNT/TiO2, by dispersing nitrogen (N) doped carbon nanotubes (N-CNTs) powders in titanium tetraisopropoxyde (TTIP). The samples were assessed in terms of optical properties, using UV—visible absorption spectroscopic techniques. After careful analysis of the results, we have concluded that the mentioned route is good and more efficient in terms of optoelectronic properties. The gap of “the neat” 0.00w% N-CNT/TiO2 is of 3eV, which is in a good agreement with similar gap of semiconductors. The incorporated “w%NCNTs” led to diminishing the Eg with increasing N-CNTs amount. These consequences are very encouraging for optoelectronic field.

scholarly journals Indirect bandgap, optoelectronic properties, and photoelectrochemical characteristics of high-purity Ta3N5 photoelectrodes

2021 ◽  
Vol 9 (36) ◽  
pp. 20653-20663
Author(s):  
Johanna Eichhorn ◽  
Simon P. Lechner ◽  
Chang-Ming Jiang ◽  
Giulia Folchi Heunecke ◽  
Frans Munnik ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Electronic Properties ◽  
High Purity ◽  
Optoelectronic Properties ◽  
Precise Control ◽  
Insight Into

The (opto)electronic properties of Ta3N5 photoelectrodes are often dominated by defects, but precise control of these defects provides new insight into the electronic structure, photocarrier transport, and photoelectrochemical function.

scholarly journals Synthesis, Crystallography, Microstructure, Crystal Defects, Optical and Optoelectronic Properties of ZnO:CeO2 Mixed Oxide Thin Films

Photonics ◽  
2020 ◽  
Vol 7 (4) ◽  
pp. 112
Author(s):  
Qais M. Al-Bataineh ◽  
Mahmoud Telfah ◽  
Ahmad A. Ahmad ◽  
Ahmad M. Alsaad ◽  
Issam A. Qattan ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Refractive Index ◽  
Mixed Oxide ◽  
Visible Region ◽  
Functional Materials ◽  
Crystal Defects ◽  
Optoelectronic Properties ◽  
Oxide Thin Films ◽  
Pure Ceo2

We report the synthesis and characterization of pure ZnO, pure CeO2, and ZnO:CeO2 mixed oxide thin films dip-coated on glass substrates using a sol-gel technique. The structural properties of as-prepared thin film are investigated using the XRD technique. In particular, pure ZnO thin film is found to exhibit a hexagonal structure, while pure CeO2 thin film is found to exhibit a fluorite cubic structure. The diffraction patterns also show the formation of mixed oxide materials containing well-dispersed phases of semi-crystalline nature from both constituent oxides. Furthermore, optical properties of thin films are investigated by performing UV–Vis spectrophotometer measurements. In the visible region, transmittance of all investigated thin films attains values as high as 85%. Moreover, refractive index of pure ZnO film was found to exhibit values ranging between 1.57 and 1.85 while for CeO2 thin film, it exhibits values ranging between 1.73 and 2.25 as the wavelength of incident light decreases from 700 nm to 400 nm. Remarkably, refractive index of ZnO:CeO2 mixed oxide-thin films are tuned by controlling the concentration of CeO2 properly. Mixed oxide-thin films of controllable refractive indices constitute an important class of smart functional materials. We have also investigated the optoelectronic and dispersion properties of ZnO:CeO2 mixed oxide-thin films by employing well-established classical models. The melodramatic boost of optical and optoelectronic properties of ZnO:CeO2 mixed oxide thin films establish a strong ground to modify these properties in a skillful manner enabling their use as key potential candidates for the fabrication of scaled optoelectronic devices and thin film transistors.

Tunable optoelectronic properties of radio frequency sputter-deposited Sb2Se3 thin films: Role of growth angle and thickness

Solar Energy ◽  
2019 ◽  
Vol 194 ◽  
pp. 716-723
Author(s):  
Alapan Dutta ◽  
Ranveer Singh ◽  
Sanjeev Kumar Srivastava ◽  
Tapobrata Som
Keyword(s):  
Thin Films ◽  
Radio Frequency ◽  
Optoelectronic Properties ◽  
Growth Angle ◽  
Sputter Deposited

Structural, magnetic and electronic structure studies of PrFe1−xMnxO3 (x=0, 0.1, 0.3, 0.5) thin films grown on Si (100)

2015 ◽  
Vol 628 ◽  
pp. 151-157 ◽  
Author(s):  
Khalid Sultan ◽  
M. Ikram ◽  
Sanjeev Gautam ◽  
Han-Koo Lee ◽  
Keun Hwa Chae ◽  
...  
Keyword(s):  
Thin Films ◽  
Electronic Structure

Crystal and electronic structure of MCuO2±δ thin films

1991 ◽  
Vol 185-189 ◽  
pp. 2019-2020 ◽  
Author(s):  
N. Terada ◽  
G. Zouganelis ◽  
M. Jo ◽  
M. Hirabayashi ◽  
K. Kaneko ◽  
...  
Keyword(s):  
Thin Films ◽  
Electronic Structure ◽  
Crystal And Electronic Structure
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