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BHARDWAJ, R.; PUMERA, M.
Original Title
Surface-Engineered 2D Nanomaterials in Gas Sensors: Advancement and Challenges
English Title
Type
WoS Article
Original Abstract
2D nanomaterials liketransition metal dichalcogenides (TMDs), MXene, nitrides, and black phosphorus-based gas sensors have garnered extensive attention in recentdecades. The extraordinary physicochemical and electrical properties of 2D nanomaterials make them highly sensitive toward gas molecules at roomtemperature. However, despite their potential, the current gas sensingtechnology suffers from inadequate selectivity, inaccurate detection and environmentalinstability. This review provides an overview of recent developments in surface-engineering routes to improve the sensing properties of 2D nanomaterials-based gas sensors. First, it covers emerging 2D nanomaterials, their synthesis routes, and gas-sensing mechanisms. Lateron, thoroughly explores renowned surface-engineering strategies such as defectmodulation, nanoparticle functionalization, and heteroatom doping to enhancethe gas sensing performance. Metal intercalation and partial surface oxidation/reductionapproaches are also discussed to tune the sensing characteristics. Furthermore, single-atom catalyst engineering highlights the anchoring of metalatoms on 2D nanomaterials to achieve enhanced atom utilization, leading tobetter catalytic sensing activities. The engineering techniques introduceeffective surface sensitization, modulated carrier concentration in 2D materials. This review outlines the key objectives of surface-engineeringstrategies to overcome the limitations of hybrid materials and pave the way fornext-generation sensors with enhanced sensing performance toimpact a wide range of applications.
English abstract
Keywords
2D materials; gas sensing
Key words in English
Authors
Released
01.08.2025
Publisher
WILEY-V C H VERLAG GMBH
Location
WEINHEIM
ISBN
1613-6829
Periodical
Small
Volume
21
Number
34
State
Federal Republic of Germany
Pages count
30
URL
https://onlinelibrary.wiley.com/doi/10.1002/smll.202410360
BibTex
@article{BUT198686, author="Radha {Bhardwaj} and Martin {Pumera}", title="Surface-Engineered 2D Nanomaterials in Gas Sensors: Advancement and Challenges", journal="Small", year="2025", volume="21", number="34", pages="30", doi="10.1002/smll.202410360", issn="1613-6810", url="https://onlinelibrary.wiley.com/doi/10.1002/smll.202410360" }