Applied Catalysis B Environment and Energy, Год журнала: 2022, Номер 322, С. 122087 - 122087
Опубликована: Окт. 19, 2022
Язык: Английский
Analytical Chemistry, Год журнала: 2022, Номер 94(39), С. 13582 - 13589
Опубликована: Сен. 21, 2022
Recently emerged Z-scheme heterostructure-based immunoassays have presented new opportunities for photoelectrochemical (PEC) biosensing development. Here, we described a tunable signal-on PEC biosensor the detection of cardiac troponin I (cTnI), which exploited competitive absorption effect between Cu(II) ions and Zr metal-organic framework (Zr-MOF) constructed on TiO2 nanorods (Cu2+@Zr-MOF@TiO2 NRs). Water-stable Zr-MOF was coated onto NRs fluorine-doped tin oxide to form heterostructure substrate (Zr-MOF@TiO2 NRs), exhibited high photoelectric response. Cu2+@Zr-MOF@TiO2 NRs, by loading architecture electrostatic interaction, demonstrated low background signal. After sandwich immunorecognition within 96-well plate, H2S, generated confined alkaline phosphatase zeolitic imidazolate framework-8, directed react with CuS. This resulted in an situ change photoelectrode enhanced The developed platform sensitivity selectivity cTnI immunoassay limit 8.6 pg/mL. Z-scheme-based competition modulation photoelectrochemistry provides strategy general
Язык: Английский
Процитировано
139
Chemical Reviews, Год журнала: 2023, Номер 123(8), С. 4443 - 4509
Опубликована: Апрель 17, 2023
Energy from renewable resources is central to environmental sustainability. Among the renewables, sunlight-driven fuel synthesis a sustainable and economical approach produce vectors such as hydrogen through water splitting. The photocatalytic splitting limited by oxidation half-reaction, which kinetically energetically demanding entails designer photocatalysts. Such challenges can be addressed employing alternative half-reactions. Photoreforming drive breakdown of waste plastics biomass into valuable organic products for production H2. We provide an overview photoreforming its underlying mechanisms that convert polymers H2 fuels fine chemicals. This paramount importance two complementary perspectives: (i) green energy harvesting (ii) sustainability decomposing valuables. Competitive results generation without hazards are being generated. process, mechanisms, critical assessment field scarce. address points focusing on concept up-to-date knowledge with key milestones achieved, uncovering concepts in photoreforming, (iii) design photocatalysts pathways use different polymer wastes substrates.
Язык: Английский
Процитировано
137
Nature Communications, Год журнала: 2023, Номер 14(1)
Опубликована: Янв. 10, 2023
Abstract Photoelectrochemical reaction is emerging as a powerful approach for biomass conversion. However, it has been rarely explored glucose conversion into value-added chemicals. Here we develop photoelectrochemical selective oxidation of to high glucaric acid by using single-atom Pt anchored on defective TiO 2 nanorod arrays photoanode. The structure induced the oxygen vacancies can modulate charge carrier dynamics and band structure, simultaneously. With optimized vacancies, photoanode shows greatly improved separation significantly enhanced selectivity yield C 6 products. By decorating photoanode, be achieved. In this work, with achieves photocurrent density 1.91 mA cm −2 at 0.6 V versus reversible hydrogen electrode, leading an 84.3 % under simulated sunlight irradiation.
Язык: Английский
Процитировано
136
Journal of Energy Chemistry, Год журнала: 2022, Номер 77, С. 80 - 118
Опубликована: Ноя. 1, 2022
Язык: Английский
Процитировано
135
Advanced Energy Materials, Год журнала: 2022, Номер 13(4)
Опубликована: Дек. 15, 2022
Abstract Water electrolysis, driven by renewable energy resources, is a promising conversion technology that has gained intensive interest in recent years. However, conventional water electrolysis faces number of challenges, including large thermodynamic potential gaps, valueless anodic products, explosive hydrogen/oxygen mixtures, reactive oxygen species, and limited pure water. Hybrid appending different electrolytes the anode compartment to circumvent above‐mentioned challenges particularly attractive alternative. In this review, for first time, holistic subtle description hybrid provided, focusing on design high‐activity/selectivity/stability electrocatalysts electrochemical oxidation various chemicals, such as alcohol, aldehyde, amine, urea hydrazine, or evolution reaction seawater electrolytes. Comprehensive judging criteria reactions, electrocatalysts, parameters are discussed. Some technoeconomic assessments, feasibility analyses, mechanism explorations, correlation comparisons involved. Finally, perspectives opportunities future research directions systems outlined.
Язык: Английский
Процитировано
115
Advanced Energy Materials, Год журнала: 2022, Номер 12(42)
Опубликована: Сен. 22, 2022
Abstract Photoelectrochemical (PEC) water splitting is considered a promising technology to produce renewable hydrogen, clean fuel or energy carrier replace conventional carbon‐based fossil‐fuel sources. Nevertheless, the overall solar‐to‐hydrogen efficiency and cost‐effectiveness of this are still unsatisfactory for practical implementation. This can be primarily attributed sluggish kinetics anodic oxygen evolution reaction (OER) relatively low economic value cogenerated O 2 production. Over past decades, there extensive efforts explore more kinetically favorable photooxidation reactions, which coupled with hydrogen (HER) simultaneously improve H production yield higher valuable alternatives . review aims present recent progress on alternative choices OER. Here, fundamental PEC critical components required system first shortly summarized. Then benefits issues reactions including peroxide, chlorine, alcohol, 5‐hydroxymethylfurfural, urea oxidation when combined concurrent HER, reviewed analyzed. concluded by presenting evaluation challenges opportunities these HER‐coupled solar environmental treatment.
Язык: Английский
Процитировано
93
ACS Catalysis, Год журнала: 2023, Номер 13(7), С. 5033 - 5042
Опубликована: Март 29, 2023
Electrocatalytic CO2 reduction has been considered an effective carbon neutrality as well energy storage strategy integrated with renewable electricity. conversion to formate is a feasible route using earth-abundant and nontoxic tin-based catalysts. However, they suffer from degradation thus decrease in selectivity during operation. Guided by density functional theory (DFT) calculations, herein, we synthesized CeO2–SnO2 heterostructures facile electrospinning method, which exhibited maximum partial current of ∼500 mA·cm–2 87.1% faradaic efficiency long-term stability flow cell. Proved situ attenuated total reflectance infrared absorption spectroscopy (ATR-IRAS) Raman spectra post-X-ray photoelectron (XPS) analysis, dynamic CeO2-mediated Sn0/Snδ+ redox cycle mechanism was proposed: oxygen vacancies generated on cerium oxides prompted water dissociation produce *OH *H species, where the former oxidize Sn0 into active Snδ+, facilitating key intermediate *OCHO help latter. This work may provide general design stable efficient catalysts for practical electrolyzers.
Язык: Английский
Процитировано
74
Advanced Functional Materials, Год журнала: 2023, Номер 33(25)
Опубликована: Апрель 28, 2023
Abstract Glycerol electrooxidation (GOR), as a typical nucleophile oxidation reaction, is deemed promising alternative anodic route to assist cathodic hydrogen evolution reaction. However, the investigations of high‐performance catalysts and industrial‐scale application GOR remain grand challenge. Herein, biphasic Ni 3 N/Co N heterostructure nanowires (denoted N‐NWs) are proposed an efficient bifunctional catalyst, which realizes high Faradaic efficiency 94.6% toward formate production. Importantly, flow electrolyzer achieves industry‐level current density 1 A cm −2 at 2.01 V with impressive stability for steady running over 200 h, realizing lower electricity expense 4.82 kWh m −3 H2 energy saving 9.7%, well outstanding co‐production rates 11 21.4 mmol h −1 H 2 , respectively. Theoretical calculations reveal that electron transfer on heterointerfaces simultaneously optimizes reaction tendency glycerol dehydrogenation kinetics, thus contributing excellent performance.
Язык: Английский
Процитировано
70
Advanced Materials, Год журнала: 2024, Номер 36(32)
Опубликована: Июнь 4, 2024
Abstract Solar fuel synthesis is intriguing because solar energy abundant and this method compensates for its intermittency. However, most photocatalysts can only absorb UV‐to‐visible light, while near‐infrared (NIR) light remains unexploited. Surprisingly, the charge transfer between ZnO CuInS 2 quantum dots (QDs) transform a NIR‐inactive into NIR‐active composite. This strong response attributed to increased concentration of free carriers in p‐type semiconductor at interface after migration , enhancing localized surface plasmon resonance (LSPR) effect NIR . As paradigm, ZnO/CuInS heterojunction used H O production coupled with glycerin oxidation demonstrates supreme performance, corroborating importance efficient transfer. Mechanistic studies through contact potential difference (CPD), Hall test, finite element (FEM) calculation allow direct correlation approach bypasses general issues, thereby stepping forward ambitious goal harnessing entire spectrum.
Язык: Английский
Процитировано
66
Advanced Materials, Год журнала: 2023, Номер unknown, С. 2209955 - 2209955
Опубликована: Янв. 24, 2023
The photo-electrochemical (PEC) oxidation of glycerol (GLY) to high-value-added dihydroxyacetone (DHA) can be achieved over a BiVO4 photoanode, while the PEC performance most photoanodes is impeded due upper limits photocurrent density. Here, an enhanced Mie scattering effect well-documented porous photoanode obtained with less effort by simple annealing process, which significantly reduces reflectivity near zero. great light absorbability increases basic density 1.77 times. selective GLY results in 6.04 mA cm−2 and DHA production rate 325.2 mmol m−2 h−1 that exceeds all reported values. This work addresses poor ability nanostructured harvest light, paving way for further improvements charge transport transfer realize highly efficient conversion.
Язык: Английский
Процитировано
60