viraj purohit - Academia.edu (original) (raw)
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COMSATS Institute of Information Technology Lahore
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Papers by viraj purohit
Scientia Iranica, 2021
In this paper, SnO2-pure and SnO2/GO thin films with different concentrations of graphene oxide (... more In this paper, SnO2-pure and SnO2/GO thin films with different concentrations of graphene oxide (0, 1, 2, 3 and 4 g/ml) were synthesized using spin coating method. The synthesized thin films were used to study the structural, morphology, chemical, optical and photocatalytic degradation of Methyl Orange (MO) under UV light irradiation by X-ray diffraction (XRD) spectroscopy, field emission scanning electron microscopy (FESEM), Raman spectroscopy, Ultraviolet–visible spectroscopy and UV light respectively. The XRD results of graphene oxide show that the peak is very sharp with high intensity, which indicates a very good crystallinity of the GO structure. The band gape value of SnO2/GO thin films increase by increasing of GO concentration. Under UV light irradiation, the photocatalytic activity of synthesized samples was measured using Methyl Orange dye. The obtained results indicate that by adding graphene oxide concentration, the photocatalytic activity of the tin oxide thin film inc...
International Journal of Innovative Technology and Exploring Engineering, 2020
In India Building sector use about 33% of entire electrical energy use, out of that 25% is used b... more In India Building sector use about 33% of entire electrical energy use, out of that 25% is used by the residential sector. We can reduce it by applying daylighting as a necessary component for building design procedure. Here in this study, sustainability of energy through daylighting is investigate with respect to performance of daylight of a residential apartment in the Gandhinagar city. Daylight Area (DA) is used as performance metric. The effect of building orientation on the daylight area is studied. Behaviour of Occupancy was modelled by applying a useful daylight illuminance threshold of 400 lx. By that we have found that at east orientation building would get 26% daylight area which is highest among all. After that put Occupancy and Dimming sensors on that case and get optimum lighting energy use.
Scientia Iranica, 2021
In this paper, SnO2-pure and SnO2/GO thin films with different concentrations of graphene oxide (... more In this paper, SnO2-pure and SnO2/GO thin films with different concentrations of graphene oxide (0, 1, 2, 3 and 4 g/ml) were synthesized using spin coating method. The synthesized thin films were used to study the structural, morphology, chemical, optical and photocatalytic degradation of Methyl Orange (MO) under UV light irradiation by X-ray diffraction (XRD) spectroscopy, field emission scanning electron microscopy (FESEM), Raman spectroscopy, Ultraviolet–visible spectroscopy and UV light respectively. The XRD results of graphene oxide show that the peak is very sharp with high intensity, which indicates a very good crystallinity of the GO structure. The band gape value of SnO2/GO thin films increase by increasing of GO concentration. Under UV light irradiation, the photocatalytic activity of synthesized samples was measured using Methyl Orange dye. The obtained results indicate that by adding graphene oxide concentration, the photocatalytic activity of the tin oxide thin film inc...
International Journal of Innovative Technology and Exploring Engineering, 2020
In India Building sector use about 33% of entire electrical energy use, out of that 25% is used b... more In India Building sector use about 33% of entire electrical energy use, out of that 25% is used by the residential sector. We can reduce it by applying daylighting as a necessary component for building design procedure. Here in this study, sustainability of energy through daylighting is investigate with respect to performance of daylight of a residential apartment in the Gandhinagar city. Daylight Area (DA) is used as performance metric. The effect of building orientation on the daylight area is studied. Behaviour of Occupancy was modelled by applying a useful daylight illuminance threshold of 400 lx. By that we have found that at east orientation building would get 26% daylight area which is highest among all. After that put Occupancy and Dimming sensors on that case and get optimum lighting energy use.