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  9. Air Pollution Modelling And Control
  11. Innovative Nanomaterials For Sustainable Environment For Reducing The Smog Effects: A Technical Review

Innovative nanomaterials for sustainable environment for reducing the smog effects: a technical review

Parveen Akhter1, Abdullah Arshad2, Muhammad Tahir2

  • 1The University of Lahore, Lahore, Pakistan. parveen.akhter@chem.uol.edu.pk.

Environmental Science and Pollution Research International
|July 31, 2025

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View abstract on PubMed

Summary
This summary is machine-generated.

Innovative nanomaterials offer a novel solution to combat air pollution and smog. Integrating these materials into urban infrastructure can significantly reduce health risks associated with smog while maintaining energy efficiency.

Area of Science:

  • Environmental Science
  • Materials Science
  • Nanotechnology

Background:

  • Escalating smog and air pollution pose significant threats to environmental sustainability and public health.
  • Novel solutions are required to mitigate the impacts of airborne pollutants.

Purpose of the Study:

  • To explore the use of innovative nanomaterials in nanotechnology for smog mitigation.
  • To investigate the synthesis, characterization, and functional performance of nanomaterials for pollutant absorption and catalysis.

Main Methods:

  • Synthesis and characterization of nanomaterials including graphene oxide, titanium dioxide (TiO₂), carbon nanotubes, and metal-organic frameworks (MOFs).
  • Evaluation of nanomaterials' efficacy in absorbing or catalyzing airborne pollutants such as particulate matter (PM₂.₅), nitrogen dioxide (NO₂), sulfur dioxide (SO₂), and volatile organic compounds (VOCs).
Keywords:
NanomaterialsNanotechnologyPollutantsReaction mechanism

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  • Quantitative lifecycle assessment (LCA) to evaluate environmental and energy efficiency.

    • Main Results:

    • TiO₂-based photocatalytic nanomaterials demonstrated over 90% NOₓ degradation efficiency under UV light.
    • Graphene oxide composites showed >85% adsorption performance for PM₂.₅.
    • Amino-functionalized MOFs reduced ambient CO₂ and VOC concentrations by up to 70%.

    Conclusions:

    • Nanotechnology offers a promising approach for environmental remediation, particularly in reducing smog.
    • Integrating nanomaterials into urban infrastructure, such as smog-reducing coatings and air filtration systems, can decrease smog-related health risks by 30-50% while ensuring energy efficiency.
    Smog
    Sustainability