Recent advances in noble metal MXene-based catalysts for electrocatalysis

Kong, Wei; Li, Lihong; Deng, Jinxia

doi:10.1039/d2ta00613h

Cited by 57 publications

(21 citation statements)

References 159 publications

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“…Ti-, Mo-, and V-based SACs have also been well explored as HER electrocatalysts to form a large group for substituting Pt catalyst. [182,[184][185][186][187] In general, rather corrosive acids (e.g., HF) are commonly used in the preparation of 2D TMCs materials, which endows a great number of vacancy defects including cation and anion to provide the sites for capturing single metal atoms. Wang's group reported a Pt atom immobilized on Mo 2 TiC 2 T x (TO) as an excellent HER electrocatalyst in acidic medium.…”

Section: Metal Carbidesmentioning

confidence: 99%

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SACs on Non‐Carbon Substrates: Can They Outperform for Water Splitting?

Sun

Zang

Sun

et al. 2023

Adv Funct Materials

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Non‐carbon‐supported single‐atom electrocatalysts (SACs) have attracted tremendous research interest for water splitting, owning to their remarkable differences in bond and coordination, and better and tunable catalytic performance, compared with those carbon‐supported SACs and commercial catalysts. The electrocatalytic performance of these non‐carbon‐supported SACs is intimately related to the structure, surficial chemical groups, and vacancy defects of non‐carbon host materials, as well as the physico‐chemical properties and population of single atoms. The much widened range of host materials and types of single atoms create virtually limitless opportunities in the design of SACs with tunable structures and electrocatalysis behaviors. In this review, the recent progress of non‐carbon‐supported SACs for both oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is visited, where the unique local structures, electrocatalytic performance, catalytic centers and key preparation processes are presented. The characterizations down to atomic scales that can reveal the key local structures and catalytic mechanism are also investigated. New insights into the correlations between the structural evolution of these SACs during electrocatalytic reactions and their catalytic performance are examined. Finally, the major challenges faced by these new SACs are summarized, together with future perspectives on the rational design of superior non‐carbon‐supported SACs.

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Section: Metal Carbidesmentioning

confidence: 99%

“…Ti‐, Mo‐, and V‐based SACs have also been well explored as HER electrocatalysts to form a large group for substituting Pt catalyst. [ 182,184–187 ]…”

Section: Sacs For Hydrogen Evolution Reactionmentioning

confidence: 99%

SACs on Non‐Carbon Substrates: Can They Outperform for Water Splitting?

Sun

Zang

Sun

et al. 2023

Adv Funct Materials

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“…[ 225 ] It is an effective strategy to enhance the catalytic performance of the MXene owing to the synergy of both the embodied materials. [ 226,227 ] We have discussed in detail the various reported classes of MXene composites for biomolecule detection.…”

Section: Mxene Composites For Biosensing Applicationmentioning

confidence: 99%

2D MXene‐Based Biosensing: A Review

Amara

Hussain

Ahmad

et al. 2022

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MXene emerged as decent 2D material and has been exploited for numerous applications in the last decade. The remunerations of the ideal metallic conductivity, optical absorbance, mechanical stability, higher heterogeneous electron transfer rate, and good redox capability have made MXene a potential candidate for biosensing applications. The hydrophilic nature, biocompatibility, antifouling, and anti‐toxicity properties have opened avenues for MXene to perform in vitro and in vivo analysis. In this review, the concept, operating principle, detailed mechanism, and characteristic properties are comprehensively assessed and compiled along with breakthroughs in MXene fabrication and conjugation strategies for the development of unique electrochemical and optical biosensors. Further, the current challenges are summarized and suggested future aspects. This review article is believed to shed some light on the development of MXene for biosensing and will open new opportunities for the future advanced translational application of MXene bioassays.

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“…Although palladium-based materials have been demonstrated to be excellent electrocatalysts for HzOR and HER, 21,22 there is still a large room for the improvement of their performance. An effective means of improving the catalytic performance is the adjustment of material morphology.…”

Section: Introductionmentioning

confidence: 99%