Results 21 to 30 of about 55,388 (315)

Interface modification and performance optimization of SnO2 based perovskite solar cells

open access: yes工程科学学报, 2023
Over the past decade, the power conversion efficiency of perovskite solar cells has increased from 3.8% to the current 25.5%, which is expected to become the next generation of commercial thin-film solar cells.
Zhi-peng WANG   +3 more
doaj   +1 more source

Impedance spectroscopy in H2 sensing with TiO2/SnO2 nanomaterials

open access: yesMetrology and Measurement Systems, 2020
Alternating current a.c. measurements enable to understand the physical and chemical processes occurringin semiconductor materials. Impedance spectroscopy has been successfully applied to study the responsesof gas sensors based on metal oxides, such as ...
Bartłomiej Szafraniak   +3 more
doaj   +1 more source

Facile synthesis of hierarchical CNF/SnO2/Ni nanostructures via self-assembly process as anode materials for lithium ion batteries [PDF]

open access: yesRoyal Society Open Science, 2018
Hierarchical carbon nanofibre (CNF)/SnO2/Ni nanostructures of graphitized carbon nanofibres and SnO2 nanocrystallines and Ni nanocrystallines have been prepared via divalent tin–alginate assembly on polyacrylonitrile (PAN) fibres, controlled pyrolysis ...
Haitong Tang   +5 more
doaj   +1 more source

STRUKTUR KRISTAL DAN MORFOLOGI PERMUKAAN – SINTESIS SNO2 MENGGUNAKAN METODE SOL-GEL

open access: yesRekayasa Mesin, 2022
SnO2 oxide powder was synthesized using the sol-gel method. SnO2 oxide powder was produced using a solution of tin(IV) chloride (SnCl4) and 25% ammonia (NH4(OH)) by annealing the final product for 4 hours at 900 °C. The pH variation was carried out at pH
Tri Arini   +6 more
doaj   +1 more source

Reduction behavior of Tin-containing phase in Tin-bearing iron concentrates under CO-CO2 mixed gases [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2019
The main purpose of this study was to ascertain the reduction behavior of tin phase (SnO2) in tin-bearing iron concentrates at the respective temperature of 1273 and 1373 K in diverse CO-CO2 mixed gases using chemical analysis, XRD, and SEMEDS analysis ...
Yu Y., Li H.-J., Li L.
doaj   +1 more source

Aqueous phosphorous adsorption onto SnO2 and WO3 nanoparticles in batch mode: kinetic, isotherm and thermodynamic study

open access: yesJournal of Experimental Nanoscience, 2020
This study investigated the removal of phosphorus (PO4−3-P) from water samples by SnO2 and WO3 nanoparticles (NPs). The effects of adsorbent dosage, pH, contact time and temperature with an initial concentration of 50 mg L−1 of P were investigated.
Shahriar Mahdavi   +2 more
doaj   +1 more source

SnO2 Layer Treatment with Thioacetamide in Perovskite Solar Cell [PDF]

open access: yesNanochemistry Research, 2023
The electron transport layer plays a pivotal role in shaping the photovoltaic attributes of perovskite solar cells. SnO2 stands out as an exemplary electron transport layer for perovskite solar cells due to its exceptional carrier mobility, deep ...
Fatemeh Ghasemi   +2 more
doaj   +1 more source

Fabrication and characterization of SnO2 and SnS2 nanobiosensor in the Presence of Aspergillus Niger Fungi [PDF]

open access: yesNanomedicine Research Journal, 2019
In this paper, SnO2 and SnS2 thin films were prepared by spray pyrolysis technique on glass substrate. The prepared films were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Aspergillus niger (A.
Reihane Etefagh   +5 more
doaj   +1 more source

Morphological and humidity sensing characteristics of SnO2-CuO, SnO2-Fe2O3 and SnO2-SbO2 nanocooxides

open access: yesBulletin of Materials Science, 2011
This paper reports the synthesis of SnO2-CuO, SnO2-Fe2O3 and SnO2-SbO2 composites of nano oxides and comparative study of humidity sensing on their electrical resistances. CuO, Fe2O3 and SbO2 were added within base material SnO2 in the ratio 1: 0.25, 1: 0.50 and 1: 1. Characterizations of materials were done using SEM and XRD.
B. C. Yadav, Preeti Sharma, P. K. Khanna
openaire   +2 more sources

Transition metal elements-doped SnO2 for ultrasensitive and rapid ppb-level formaldehyde sensing

open access: yesHeliyon, 2023
Pristine SnO2, Fe-doped SnO2 and Ni-doped SnO2 were synthesized using facile hydrothermal method. Analysis based on XRD, TEM and UV–Vis DRS measurements demonstrated the successful insertion of Fe and Ni dopants into SnO2 crystal.
Zejun Han   +11 more
doaj   +1 more source

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