Dear Colleagues,

Gaseous pollutants in atmosphere, 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). Atomically thin two-dimensional (2D) nanomaterials have opened up a new horizon of possibilities for energy storage, catalysis, and gas-sensing applications due to their intriguing physicochemical properties. From the perspective of structure–property relationships, 2D nanomaterials nanomaterials are among the first choices for constructing high-performance gas sensors due to their unique properties, which are beneficial for signal amplification and other performance parameters, such as selectivity and processability. In addition, 2D nanomaterials exhibit excellent catalytic activity due to their abundance of low-coordinated surface atoms. In this context, we believe that 2D 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, Two-dimensional Nanomaterials for Gas Detection and Energy Storage, with the aim to disseminate recent advances in the field of various 2D nanomaterials or their nanocomposites for detecting various air pollutants or treating/activating the small molecules (e.g., N₂ or CO₂) for green energy.

Dr. Xiaorong Gan
Prof. Dr. Baojun Liu
Dr. Jianlin Zhang
Dr. Gang Zhou
Guest Editors

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