Browsing by Author "Shahid, Imran"
Now showing items 1-20 of 35
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Applications of graphene-based tungsten oxide nanocomposites: a review
( Springer , 2022 , Article Review)This review describes the various applications of graphene derivative (GO/rGO) with the tungsten oxide nanocomposite such as supercapacitor, electrochromism, photocatalysis and energy sensing. This review article also ... -
Atmospheric Black Carbon over Qatar: Seasonal Variability and Source Apportionment
( Qatar University Press , 2021 , Poster)The earth’s atmosphere contains minute particles suspended within it. These atmospheric particles influence the earth's radiation budget through their ability to absorb and scatter radiation. Black carbon (BC) is a type ... -
Carbon based sensors for air quality monitoring networks; middle east perspective
( Frontiers Media SA , 2024 , Article Review)IoT-based Sensors networks play a pivotal role in improving air quality monitoring in the Middle East. They provide real-time data, enabling precise tracking of pollution trends, informed decision-making, and increased ... -
Characteristics of aerosols and planetary boundary layer dynamics during biomass burning season
( Springer Nature , 2025 , Article)The northeastern region of Pakistan (NEP) has experienced increased haze episodes over the past decade, primarily due to enhanced biomass burning activities during the post-monsoon season. Economic growth, urbanization and ... -
Characterization and source identification of PM2.5 during intense haze episodes in an urban environment of Lahore
( Elsevier , 2024 , Article)In the backdrop of persistent haze occurrences affecting Southeast Asia and Pakistan's environmental landscape, this study delves into an in-depth analysis of atmospheric Particulate Matter (PM2.5) during intense haze ... -
Chemical composition of indoor and outdoor PM2.5 in the eastern Arabian Peninsula
( Springer , 2024 , Article)Water-soluble and trace metal species in fine particulate matter (PM2.5) were determined for indoor and outdoor environments in Doha, Qatar. During the study period, PM2.5 concentrations showed significant variability ... -
Coal fly ash supported Ag@Bi2WO6: A novel heterogeneous nanocomposite for effective sunlight driven photocatalytic degradation of dye
( Elsevier , 2023 , Article)Water contamination is a serious environmental issue. It has detrimental effects on the living habitat. This contaminated water is treated with numerous physicochemical techniques. Presently, adsorption-enhanced photo-catalysis ... -
Coal fly ash supported CoFe2O4 nanocomposites: Synergetic Fenton-like and photocatalytic degradation of methylene blue
( Elsevier , 2022 , Article)Rapid industrialization is causing a serious threat for the environment. Therefore, this research was aimed in developing ceramic cobalt ferrite (CoFe2O4) nanocomposite photocatalyst coated with coal fly ash (CFA-CoFe2O4) ... -
Deep eutectic solvents as alternative green solvents for the efficient desulfurization of liquid fuel: A comprehensive review
( Elsevier , 2021 , Article Review)Increase in the requirement of energy consumption has been followed by a consistent rise in sulfur emission with economic and health issues. Moreover, it considerably decreases the efficacy of developed emission control ... -
Electrically conductive fibers fabrication and characterization via in-situ polymerization of aniline for the protection against EMI and thermal imaging signals
( Elsevier , 2023 , Article)Polyester fibers (PEF) were successfully coated with Polyaniline (PANI) via in situ polymerization to make electrically conductive fibers (ECF). X-ray diffraction (XRD) analysis confirms the synthesis and scanning electron ... -
Enhanced electromagnetic interference shielding using Nanosilver-Decorated Graphene/Poly(vinyl chloride) nanocomposite films
( Elsevier , 2024 , Article)Silver nanoparticles (AgNPs) were prepared by chemical reduction and grafted onto thermally reduced graphene oxide (TRGO) sheets. PVC-based nanocomposite films with various Ag/TRGO concentrations were synthesized via ... -
Fabrication of low emissivity paint for thermal/NIR radiation insulation for domestic applications
( Elsevier , 2022 , Article)Recently, low-emissivity paint has gained more importance than commercial paints. Low emissivity (Low-E) Paint also termed as a coating for radiation control, in which the emissivity of radiations of longer waves are reduced ... -
G-C3N4/Ag@CoWO4: A novel sunlight active ternary nanocomposite for potential photocatalytic degradation of rhodamine B dye
( Elsevier , 2022 , Article)Present study reports the fabrication of novel sunlight active heterogeneous photocatalyst, i.e. Ag@g-C3N4/CoWO4 for potential degradation of rhodamine B dye. The ternary nanocomposite was fabricated using thermal condensation ... -
Impact of alternate Mn doping in ternary nanocomposites on their structural, optical and antimicrobial properties: Comparative analysis of photocatalytic degradation and antibacterial activity
( Academic Press , 2023 , Article)The present study was done to investigate and compare the photocatalytic and antibacterial activity of two in situ Manganese doped ternary nanocomposites. The dual ternary hybrid systems comprised Mn-doped Ag2WO4 coupled ... -
Impact of SARS-CoV-2 on Ambient Air Quality in Northwest China (NWC)
( MDPI , 2021 , Article)SARS-CoV-2 was discovered in Wuhan (Hubei) in late 2019 and covered the globe by March 2020. To prevent the spread of the SARS-CoV-2 outbreak, China imposed a countrywide lockdown that significantly improved the air quality. ... -
Indoor Air Quality Assessment Through IoT Sensor Technology: A Montreal–Qatar Case Study
( MDPI , 2025 , Article)This study addresses the need for effective, real-time monitoring of indoor air quality, a critical factor for health and environmental well-being. The aim is to develop an affordable, Arduino-based IoT sensor system capable ... -
Investigation of boron-doped graphene oxide anchored with copper sulphide flowers as visible light active photocatalyst for methylene blue degradation
( Nature Research , 2023 , Article)The non-biodegradable nature of waste emitted from the agriculture and industrial sector contaminates freshwater reserves. Fabrication of highly effective and low-cost heterogeneous photocatalysts is crucial for sustainable ... -
Investigation of Fe-Doped Graphitic Carbon Nitride-Silver Tungstate as a Ternary Visible Light Active Photocatalyst
( Hindawi , 2021 , Article)The rapid population growth and economic development have largely contributed to environmental pollution. Various advanced oxidation processes have been used as the most viable solution for the reduction of recalcitrant ... -
Long-Term Variability of Aerosol Concentrations and Optical Properties over the Indo-Gangetic Plain in South Asia
( MDPI , 2022 , Article)Emissions of atmospheric pollutants are rapidly increasing over South Asia. A greater understanding of seasonal variability in aerosol concentrations over South Asia is a scientific challenge and has consequences due to a ... -
Mitigation of particulate matters and integrated approach for carbon monoxide remediation in an urban environment
( Elsevier , 2021 , Article)Air pollution is a serious threat throughout the world and may cause remarkable loss to human health and other living beings. A study was conducted to investigate the main sources of contaminants including CO, fine particle ...
