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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Dzade, Nelson Yaw
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2021Reciprocated electrochemical and DFT investigations of iron selenide: mechanically bendable solid-state symmetric supercapacitorcitations
- 2021Revealing the electronic structure, heterojunction band offset and alignment of Cu2ZnGeSe4: a combined experimental and computational study towards photovoltaic applicationscitations
- 2021An interlinked computational-experimental investigation into SnS nano-flakes for field emission applicationcitations
- 2020Photoelectrochemical investigation on the cadmium sulfide (CdS) thin films prepared using spin coating techniquecitations
- 2020Structural, optoelectronic, and photoelectrochemical investigation of CdSe NC's prepared by hot injection methodcitations
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article
Structural, optoelectronic, and photoelectrochemical investigation of CdSe NC's prepared by hot injection method
Abstract
In this study, we report the synthesis and characterization of CdSe nanocrystals (NC's) by facile Hot injection (HI) method. The formation of CdSe NC's was confirmed by x-ray diffraction (XRD), Raman spectroscopy, and x-ray photoelectron spectroscopy (XPS). The optical properties were analyzed by UV-visible and photoluminescence (PL) spectroscopy shows an excitonic peak at 600 nm in UV-Vis spectra corresponds to the band gap of ~ 2 eV favorable for optoelectronic device applications. The Photoelectrochemical (PEC) performance of CdSe thin film prepared by spin coating demonstrates a rise of photocurrent density (Jsc = 0.081 µAcm-2) after illumination. The Mott-Schottky (MS) and electrochemical impedance spectroscopy (EIS) measurements were further carried out to understand intrinsic properties namely the type of conductivity, flat band potential, charge carrier density (ND), charge transfer resistance, and recombination lifetime. The n-type conductivity, the charge carrier density of ND = 1.292 x 1016 cm-2, and recombination lifetime of 32.4 µs suggest the ideal behavior of CdSe NC's for device quality photoelectrodes.