Nanomaterial-Based Electrochemical Analysis and Treatments of Pollutants

Dear Colleagues,

Gaseous pollutants, such as volatile organic compounds (VOCs), carbon dioxide (CO₂), carbon monoxide (CO), methane (CH₄), ammonia (NH₃), nitric oxide (NO), nitrogen dioxide (NO₂), hydrogen sulfide (H₂S) and sulfur dioxide (SO₂), have adverse effects (e.g., the greenhouse effect) on the climate and, particularly, on human health (irreversible damage to the respiratory system). Therefore, it is of importance to monitor atmospheric quality (environmental analysis) and recycle air pollutants for useful products (energy storage and conversion). Nanomaterials have been widely used for energy storage, catalysis, spintronics and gas-sensing applications due to their intriguing physicochemical properties. For example, nanomaterials used in electrochemical sensors can significantly improve the analytical performance to detect environmental pollutants. From the perspective of structure–property relationships, low-dimensional nanomaterials are among the first choices for constructing high-performance electrochemical sensors due to their unique properties, which are beneficial for signal amplification and other performance parameters, such as selectivity and processability. In addition, nanomaterials exhibit excellent catalytic activity due to their abundance of low-coordinated surface atoms. In this context, we believe that nanomaterials will offer an array of possibilities to solve the environmental problems of air pollutants, especially regarding pollutant detection and treatments.

Here, the open access journal Atmosphere is hosting a Special Issue, Nanomaterial-Based Electrochemical Analysis and Treatments of Pollutants, with the aim to disseminate recent advances in the field of various nanomaterials with different compositions, dimensionalities and atomic arrangements for electrochemical sensors and treatments of various air pollutants.

Topics of interest for the Special Issue include, but are not limited to, the following:

• Zero-dimensional (0D) metal particle-based electrochemical sensors;
• Graphene or graphene-like 2D material based electrochemical sensors;
• Mixed-dimensional nanomaterials for electrochemical sensors;
• Field effect transistor-based sensors;
• Electrochemical reduction;
• Electrochemical oxidation;
• Single-atom electrochemistry.

Dr. Xiaorong Gan
Guest Editor

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