Iqra Nabi

Fudan University

Author Statistics

Papers

Citation

H-Index

i-10 index

Research Trends

Author Order

Document Type

Co-Authors

Aziz-Ur-Rahim Bacha

Harbin Institute of Technology

Liwu Zhang

Fudan University

Kejian Li

Chongqing University of Science and Technology

Yangyang Liu

Fudan University

Xiaozhong Fang

Fudan University

Yang Yang

Nanjing University of Information Science and Technology

Hanyun Cheng

Fudan University

Saira Ajmal

Dongguan University of Technology

Yue Deng

Cornell University

Kedong Gong

University of California, San Diego

Cooperative Institutions

Fudan University

Shanghai Institute of Pollution Control and Ecological Security

Southern University of Science and Technology

Chinese Academy of Sciences

Zhejiang University

COMSATS University Islamabad

Abbottabad University of Science and Technology

International Islamic University, Islamabad

Harbin Institute of Technology

Guilin University of Technology

Author Statistics

Papers

Citation

H-Index

i-10 index

Research Field

A Novel Pathway of Atmospheric Sulfate Formation Through Carbonate Radical

Yangyang Liu Yue Deng Jiarong Liu Xiaozhong Fang Tao Wang

Abstract. Carbon dioxide is considered an inert gas that rarely participates in atmospheric chemical reactions. However, we show here that CO2 is involved in some important photo-oxidation reactions in the atmosphere through the formation of carbonate radicals (CO3∙-). This potentially active intermediate CO3∙- is routinely overlooked in atmospheric chemistry regarding its effect on sulfate formation. Present work demonstrates that SO2 uptake coefficient is enhanced by 17 times on mineral dust particles driven by CO3∙-. It can be produced through two routes over mineral dust surfaces: i) hydroxyl radical + CO32-; ii) holes (h+) + CO32-. Employing a suite of laboratory investigations of sulfate formation in the presence of carbonate radical on the model and authentic dust particles, field measurements of sulfate and (bi)carbonate ions within ambient PM, together with density functional theory (DFT) calculations for single electron transfer processes in terms of CO3∙--initiated S(IV) oxidation, a new role of carbonate radical in atmospheric chemistry is elucidated.

Carbonate Ion

Inert gas

Mineral dust

Atmospheric chemistry

Hydroxyl radical

10.5194/acp-2021-564

Cite

Citations (0)

Efficient performance of magnesium oxide loaded biochar for the significant removal of Pb2+ and Cd2+ from aqueous solution

Ecotoxicology and Environmental Safety (2021)

Qingliang Shi Hua Zhang Asfandyar Shahab Honghu Zeng Huiting Zeng

Lead (Pb) and cadmium (Cd) are considered as a typical heavy metals in aqueous solution, which may pose adverse health effects on human beings. For the removal of these two pollutants, magnesium oxide (MgO) was successfully immobilized onto eucalyptus biochar (BC) matrix via simple and cost-effective pyrolysis process of MgCl2-pretreated eucalyptus biomass under high temperature (500 °C). Synthesized MgO nanoparticles-biochar composites (MBC) exhibited superior removal performance for target pollutants, and achieve 99.9% removal efficiency for Pb(II) and Cd(II) at optimum conditions (0.02 g, pH in range of 4–7, and reaction time 120, 240 min). Furthermore, the maximum theoretical adsorbing amount of MBC was 829.11 mg/g for Pb(II) and 515.17 mg/g for Cd(II). Pseudo-second-order model and Langmuir models were well-determined for isotherm and adsorption kinetics. FTIR, XRD, and XPS analysis revealed that precipitation and ion exchange was of great importance for the removal of contaminants. Besides, cation-π interaction and complexation from the carbon-containing functional groups should not be neglected. Considering the advantage of low-cost, facile preparation, and brilliant adsorption capacity, it is anticipated that MBC has a promising prospect for the broad application in Pb(II)/Cd(II)-containing wastewater treatment.

Langmuir adsorption model

10.1016/j.ecoenv.2021.112426

Cite

Citations (85)

Is the photochemistry activity weak during haze events? – A novel exploration on the photoinduced heterogeneous reaction of NO<sub>2</sub> on mineral dust

Tao Wang Yangyang Liu Yue Deng Hanyun Cheng Yang Yang

Abstract. Despite the increased awareness of heterogeneous reaction on mineral dust, the knowledge of how the intensity of solar irradiation influences the photochemistry activity remains a crucially important part in atmospheric research. Relevant studies have not seriously discussed the photochemistry under weak sunlight during haze, and thus ignored some underlying pollution and toxicity. Here, we investigated the heterogeneous formation of nitrate and nitrite under various illumination conditions by laboratory experiments and field observations. Observed by in-situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS), water-solvated nitrate was the main surface product, followed by other species varying with illumination condition. The growth of nitrate formation rate tends to be slow after the initial fast with increasing light intensity. For example, the geometric uptake coefficient (γgeo) under 30.5 mW/cm2 (5.72 × 10−6) has exceeded the 50 % of that under 160 mW/cm2 (1.13 × 10−5). This case can be explained by the excess NO2 adsorption under weak illumination while the excess photoinduced active species under strong irradiation. Being negatively associated with nitrate (R2 = 0.748, P

Haze

Sunlight

Inorganic ions

10.5194/acp-2019-315

Cite

Citations (0)

All Solution-Processed Inorganic, Multilevel Memristors Utilizing Liquid Metals Electrodes Suitable for Analog Computing

ACS Omega (2022)

Muhammad Zaheer Aziz-Ur-Rahim Bacha Iqra Nabi Jun Lan Wenhui Wang

Herein, we report a solution-processable memristive device based on bismuth vanadate (BiVO4) and titanium dioxide (TiO2) with gallium-based eutectic gallium-indium (EGaIn) and gallium-indium-tin alloy (GaInSn) liquid metal as the top electrode. Scanning electron microscopy (SEM) shows the formation of a nonporous structure of BiVO4 and TiO2 for efficient resistive switching. Additionally, the gallium-based liquid metal (GLM)-contacted memristors exhibit stable memristor behavior over a wide temperature range from -10 to +90 °C. Gallium atoms in the liquid metal play an important role in the conductive filament formation as well as the device's operation stability as elucidated by I-V characteristics. The synaptic behavior of the GLM-memristors was characterized, with excellent long-term potentiation (LTP) and long-term depression (LTD) linearity. Using the performance of our device in a multilayer perceptron (MLP) network, a ∼90% accuracy in the handwriting recognition of modified national institute of standards and technology database (MNIST) was achieved. Our findings pave a path for solution-processed/GLM-based memristors which can be used in neuromorphic applications on flexible substrates in a harsh environment.

Memristor

10.1021/acsomega.2c03893

Cite

Citations (8)

Complete Photocatalytic Mineralization of Microplastic on TiO2 Nanoparticle Film

iScience (2020)

Iqra Nabi Aziz-Ur-Rahim Bacha Kejian Li Hanyun Cheng Tao Wang

Recently, the environmental impacts of microplastics have received extensive attention owing to their accumulation in the environment. However, developing efficient technology for the control and purification of microplastics is still a big challenge. Herein, we investigated the photocatalytic degradation of typical microplastics such as polystyrene (PS) microspheres and polyethylene (PE) over TiO2 nanoparticle films under UV light irradiation. TiO2 nanoparticle film made with Triton X-100 showed complete mineralization (98.40%) of 400-nm PS in 12 h, while degradation for varying sizes of PS was also studied. PE degradation experiment presented a high photodegradation rate after 36 h. CO2 was found as the main end product. The degradation mechanism and intermediates were studied by in situ DRIFTS and HPPI-TOFMS, showing the generation of hydroxyl, carbonyl, and carbon-hydrogen groups during the photodegradation of PS. This study provides a green and cost-efficient strategy for the control of microplastics contamination in the environment.

Photodegradation

Degradation

Polystyrene

10.1016/j.isci.2020.101326

Cite

Citations (282)

Comparative study on characterization and adsorption properties of phosphoric acid activated biochar and nitrogen-containing modified biochar employing Eucalyptus as a precursor

Journal of Cleaner Production (2021)

Ze Lu Hua Zhang Asfandyar Shahab Kang Zhang Huiting Zeng

Phosphoric acid

10.1016/j.jclepro.2021.127046

Cite

Citations (96)

Environmental application of perovskite material for organic pollutant-enriched wastewater treatment

Coordination Chemistry Reviews (2023)

Aziz-Ur-Rahim Bacha Iqra Nabi Yaogang Chen Zhiyang Li Amjad Iqbal

Degradation

10.1016/j.ccr.2023.215378

Cite

Citations (31)

Fractionation and Characterization of Metallic Elements in Soils in Land Use Systems

Toxics (2024)

F. Ul Haq Faridullah Faridullah Muhammad Irshad Aziz-Ur-Rahim Bacha Farhan Hafeez

Land use has a great impact on soil dynamics. The soils of various land use systems in Central Karakoram have been under immense pressure in the recent past due to certain anthropogenic activities such as land use practices and land use cover changes. These influences have an impact on the spatial distribution of metallic elements (MEs) in the soils of various land uses. Herein, we investigated the occurrence of the MEs, copper (Cu), zinc (Zn), and nickel (Ni), in soils of various land uses such as the permafrost, pasture, forest, and agricultural lands of the Central Karakorum region. The MEs were extracted in exchangeable, adsorbed, organically bound, carbonated, precipitated, and residual forms. The concentrations of MEs showed a significant dependence on the extraction method used, and the extraction trend followed the order of EDTA > HNO3 > KNO3 > NaOH > H2O. Zn showed the highest concentration compared to Ni and Cu in all extractions, whereas the land uses’ ME concentration followed the order of agricultural land > permafrost > forest > pasturelands. The highest values of total Zn, Ni, and Cu were 712 ± 01 mg/kg, 656 ± 02 mg/kg, and 163 ± 02 mg/kg, respectively, in agricultural soil. The ME concentration showed significant variations between different land uses, and the highest concentration was noted in agricultural soil. Zn was found to be a dominant ME compared to Ni and Cu. We believe this effort will provide opportunities for scholars to investigate MEs around the globe.

Agricultural land

Land Cover

Soil test

10.3390/toxics12020110

Cite

Citations (0)

Assessment of heavy metals and associated oxidative stress in occupationally exposed workers from Bannu and Karak Districts in Pakistan

Environmental Geochemistry and Health (2023)

Kaleem Nawaz Khan Muhammad Tariq Rafiq Aziz-Ur-Rahim Bacha Iqra Nabi Muhammad Irshad

Malondialdehyde

10.1007/s10653-023-01603-x

Cite