Elucidating the Geometric Active Sites for Oxygen Evolution Reaction on Crystalline Iron-Substituted Cobalt Hydroxide Nanoplates DOI
Peng Yu, Gao Cong,

Xiaoli Deng

et al.

Analytical Chemistry, Journal Year: 2023, Volume and Issue: 95(31), P. 11657 - 11663

Published: July 25, 2023

Transition-metal (oxy)hydroxides are among the most active and studied catalysts for oxygen evolution reaction in alkaline electrolytes. However, geometric distribution of sites is still elusive. Here, using well-defined crystalline iron-substituted cobalt hydroxide as a model catalyst, we reported scanning electrochemical cell microscopy (SECCM) study single-crystalline nanoplates, where at individual nanoplates was isolated evaluated independently. With integrated prior- post-SECCM electron catalyst morphology, correlated structure–activity information electrocatalysts obtained. Our result reveals that while largely located edges pristine Co(OH)2 Fe lattice incorporation significantly promotes basal plane activities. approach correlative imaging provides new insights into effect iron on site across nano-electrocatalysts.

Language: Английский

Bifunctional Electrocatalysts for Overall and Hybrid Water Splitting DOI
Quan Li, Hui Jiang,

Guoliang Mei

et al.

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(7), P. 3694 - 3812

Published: March 22, 2024

Electrocatalytic water splitting driven by renewable electricity has been recognized as a promising approach for green hydrogen production. Different from conventional strategies in developing electrocatalysts the two half-reactions of (e.g., and oxygen evolution reactions, HER OER) separately, there growing interest designing bifunctional electrocatalysts, which are able to catalyze both OER. In addition, considering high overpotentials required OER while limited value produced oxygen, is another rapidly exploring alternative oxidation reactions replace hybrid toward energy-efficient generation. This Review begins with an introduction on fundamental aspects splitting, followed thorough discussion various physicochemical characterization techniques that frequently employed probing active sites, emphasis reconstruction during redox electrolysis. The design, synthesis, performance diverse based noble metals, nonprecious metal-free nanocarbons, overall acidic alkaline electrolytes, thoroughly summarized compared. Next, their application also presented, wherein anodic include sacrificing agents oxidation, pollutants oxidative degradation, organics upgrading. Finally, concise statement current challenges future opportunities presented hope guiding endeavors quest sustainable

Language: Английский

Citations

275
Self-Assembled Monolayers for Interfacial Engineering in Solution-Processed Thin-Film Electronic Devices: Design, Fabrication, and Applications DOI
Mingliang Li, Ming Liu, Qi Feng

et al.

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(5), P. 2138 - 2204

Published: Feb. 29, 2024

Interfacial engineering has long been a vital means of improving thin-film device performance, especially for organic electronics, perovskites, and hybrid devices. It greatly facilitates the fabrication performance solution-processed devices, including field effect transistors (OFETs), solar cells (OSCs), perovskite (PVSCs), light-emitting diodes (OLEDs). However, due to limitation traditional interfacial materials, further progress these devices is hampered particularly in terms stability, flexibility, sensitivity. The deadlock gradually broken through development self-assembled monolayers (SAMs), which possess distinct benefits transparency, diversity, sensitivity, selectivity, surface passivation ability. In this review, we first showed evolution SAMs, elucidating their working mechanisms structure–property relationships by assessing wide range SAM materials reported date. A comprehensive comparison various growth, fabrication, characterization methods was presented help readers interested applying works. Moreover, recent design applications mainstream electronic OFETs, OSCs, PVSCs OLEDs, summarized. Finally, an outlook prospects section summarizes major challenges SAMs used

Language: Английский

Citations

171
Recent Developments in Single-Entity Electrochemistry DOI Creative Commons

L. Zhang,

Oluwasegun J. Wahab, Abdoulie A. Jallow

et al.

Analytical Chemistry, Journal Year: 2024, Volume and Issue: 96(20), P. 8036 - 8055

Published: May 10, 2024

ADVERTISEMENT RETURN TO ARTICLES ASAPPREVReviewNEXTRecent Developments in Single-Entity ElectrochemistryL. ZhangL. ZhangDepartment of Chemistry, Texas A&M University, College Station, 77845, United StatesMore by L. ZhangView Biography, O. J. WahabO. WahabDepartment WahabView Biographyhttps://orcid.org/0000-0003-4280-9089, A. JallowA. JallowDepartment JallowView Biographyhttps://orcid.org/0000-0003-2173-4137, Z. O'DellZ. O'DellDepartment Temple Philadelphia, Pennsylvania 19122, O'DellView Biographyhttps://orcid.org/0000-0002-7779-596X, T. PungsrisaiT. PungsrisaiDepartment PungsrisaiView S. SridharS. SridharDepartment SridharView Biographyhttps://orcid.org/0000-0003-3379-1630, K. VernonK. VernonDepartment VernonView Willets*K. WilletsDepartment States*Email: [email protected]More WilletsView Biographyhttps://orcid.org/0000-0002-1417-4656, and Baker*L. BakerDepartment BakerView Biographyhttps://orcid.org/0000-0001-5127-507XCite this: Anal. Chem. 2024, XXXX, XXX, XXX-XXXPublication Date (Web):May 10, 2024Publication History Published online10 May 2024https://doi.org/10.1021/acs.analchem.4c01406© 2024 The Authors. American Chemical Society. This publication is licensed under CC-BY 4.0. License Summary*You are free to share (copy redistribute) this article any medium or format adapt (remix, transform, build upon) the material for purpose, even commercially within parameters below:Creative Commons (CC): a Creative license.Attribution (BY): Credit must be given creator.View full license*DisclaimerThis summary highlights only some key features terms actual license. It not license has no legal value. Carefully review before using these materials. Open Access indicated. Learn MoreArticle Views-Altmetric-Citations-LEARN ABOUT THESE METRICSArticle Views COUNTER-compliant sum text downloads since November 2008 (both PDF HTML) across all institutions individuals. These metrics regularly updated reflect usage leading up last few days.Citations number other articles citing article, calculated Crossref daily. Find more information about citation counts.The Altmetric Attention Score quantitative measure attention that research received online. Clicking on donut icon will load page at altmetric.com with additional details score social media presence article. how calculated. Share Add toView InAdd Full Text ReferenceAdd Description ExportRISCitationCitation abstractCitation referencesMore Options onFacebookTwitterWechatLinked InRedditEmail (7 MB) Get e-AlertscloseSUBJECTS:Collisions,Electrodes,Metal nanoparticles,Nanoparticles,Nanopores e-Alerts

Language: Английский

Citations

22
Operando methods: A new era of electrochemistry DOI
Yao Yang, Julian Feijóo, Valentín Briega‐Martos

et al.

Current Opinion in Electrochemistry, Journal Year: 2023, Volume and Issue: 42, P. 101403 - 101403

Published: Sept. 28, 2023

Language: Английский

Citations

40
Molecular Self-Assembly in Conductive Covalent Networks for Selective Nitrate Electroreduction to Ammonia DOI

Feiqing Sun,

Yifan Gao, Mengjie Li

et al.

Journal of the American Chemical Society, Journal Year: 2023, Volume and Issue: 145(39), P. 21491 - 21501

Published: Sept. 21, 2023

Electrochemical nitrate (NO3-) reduction in aqueous media provides a useful approach for ammonia (NH3) synthesis. While efforts are focused on developing catalysts, the local microenvironment surrounding catalyst centers is of great importance controlling electrocatalytic performance. Here, we demonstrate that self-assembled molecular iron integrated free-standing conductive hydrogel capable selective production NH3 from NO3- at efficiencies approaching unity. With hydrogel, selectivity consistently high under range negative biases, which results hydrophobicity increase polycarbazole-based electrode substrate. In mildly acidic media, proton suppressed by electro-dewetting electrode, enhancing reduction. The continuous least 100 h with ∼89 to 98% current densities. Our highlight role constructing an internal hydrophobic surface electrocatalysts media.

Language: Английский

Citations

32
Correlative co-located electrochemical multi-microscopy DOI Creative Commons
Daniel Martín‐Yerga, Patrick R. Unwin, Dimitrios Valavanis

et al.

Current Opinion in Electrochemistry, Journal Year: 2023, Volume and Issue: 42, P. 101405 - 101405

Published: Sept. 30, 2023

Correlative co-located electrochemical multi-microscopy is transforming our understanding of property-function relationships in electrode materials. By coupling scanning cell microscopy (SECCM) with complementary characterization techniques applied to identical locations a surface, we can now unravel the intricate interplay between various physicochemical properties materials and interfaces their impact on phenomena, high spatial resolution. This review explores recent advances this correlative approach showcase how it reveal major new insights into activity interfaces. Applications span diverse fields, including energy conversion storage, sensing, corrosion science. We also envision future developments that will open up possibilities for rational design, accelerated mechanistic understanding, automated discovery.

Language: Английский

Citations

26
Recent progress on surface chemistry I: Assembly and reaction DOI
Xin Li, Zhen Xu, Donglei Bu

et al.

Chinese Chemical Letters, Journal Year: 2024, Volume and Issue: 35(12), P. 110055 - 110055

Published: May 27, 2024

Language: Английский

Citations

16
In situ/Operando Investigation for Heterogeneous Electro-Catalysts: From Model Catalysts to State-of-the-Art Catalysts DOI
Jingting Song, Zhengxin Qian,

Ji Yang

et al.

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(9), P. 4414 - 4440

Published: Aug. 17, 2024

Electrochemical reactions, including water splitting, oxygen reduction, hydrogen oxidation, carbon dioxide nitrogen oxide etc., are critical for sustainable energy conversion and storage. Achieving high efficiency in these reactions requires catalysts with superior activity, selectivity, stability, often realized through nanostructured metal catalysts. However, practical challenges such as low selectivity catalytic degradation persist. In situ operando characterization techniques offer real-time insights into catalyst behavior under reaction conditions, enabling a deeper understanding of structure–performance relationships and, therefore, guiding the design optimization electro-catalysts. This review discusses common situ/operando techniques, highlights their applications model catalysts, single-atom single-crystal further explores combinational analysis to study complex nanocatalysts. Finally, we provide suggestions perspectives on development advance field electrochemical catalysis.

Language: Английский

Citations

15
How to Assess and Predict Electrical Double Layer Properties. Implications for Electrocatalysis DOI Creative Commons

Christian M. Schott,

Peter M. Schneider,

Kun‐Ting Song

et al.

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(22), P. 12391 - 12462

Published: Nov. 11, 2024

The electrical double layer (EDL) plays a central role in electrochemical energy systems, impacting charge transfer mechanisms and reaction rates. fundamental importance of the EDL interfacial electrochemistry has motivated researchers to develop theoretical experimental approaches assess properties. In this contribution, we review recent progress evaluating characteristics such as double-layer capacitance, highlighting some discrepancies between theory experiment discussing strategies for their reconciliation. We further discuss merits challenges various techniques having important implications aqueous electrocatalysis. A strong emphasis is placed on substantial impact electrode composition structure electrolyte chemistry addition, effects temperature pressure compare solid-liquid interfaces solid-solid interfaces.

Language: Английский

Citations

14
Metal/covalent-organic framework-based electrocatalysts for electrochemical reduction of nitrate to ammonia DOI Creative Commons
Tarekegn Heliso Dolla, Boying Zhang, Thabo Matthews

et al.

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 518, P. 216061 - 216061

Published: July 8, 2024

The pervasive contamination of industrial, domestic, and agricultural wastewater with nitrate poses profound ecological public health risks. Traditional methods for remediating nitrate-laden water face formidable challenges due to its high solubility stability. However, a promising solution emerges in the form electrochemical reduction (eNO3RR), offering both efficient removal valuable ammonia generation sustainable manner. This review explores burgeoning field eNO3RR, focusing on recent advancements utilizing porous crystalline framework materials − metal–organic frameworks (MOFs) covalent-organic (COFs) as novel class electrocatalysts. These innovative exhibit unique properties such adjustable porosity, diverse structures, tunable pore sizes, well-defined active sites, making them ideal candidates enhancing efficiency selectivity under ambient conditions. By dissecting structure–activity relationship inherent MOF/COF-based electrocatalysts, this aims provide comprehensive understanding their role driving conversion NO3− NH3. Moreover, it identifies current proposes future prospects leveraging these advanced pollutants, glimpse into greener more effective approach remediation resource recovery.

Language: Английский

Citations

12