Nature Communications, Год журнала: 2025, Номер 16(1)
Опубликована: Фев. 12, 2025
Язык: Английский
Advanced Science, Год журнала: 2022, Номер 10(1)
Опубликована: Ноя. 14, 2022
Abstract With the emerging of Internet Things, chemiresistive gas sensors have been extensively applied in industrial production, food safety, medical diagnosis, and environment detection, etc. Considerable efforts devoted to improving gas‐sensing performance through tailoring structure, functions, defects electrical conductivity sensitive materials. Among numerous materials, mesoporous semiconductor metal oxides possess unparalleled properties, including tunable pore size, high specific surface area, abundant metal–oxygen bonds, rapid mass transfer/diffusion behavior (Knudsen diffusion), which regarded as most potential Herein, synthesis strategies for are overviewed, classical functionalization techniques materials also systemically summarized a highlight, construction regulation micro‐nano structure (i.e., heterojunctions), noble sensitization (e.g., Au, Pt, Ag, Pd) heteroatomic doping C, N, Si, S). In addition, structure–function relationship has discussed at molecular‐atomic level, especially chemical effect, elucidating interface adsorption/catalytic mechanism. Moreover, challenges perspectives proposed, will open new door development intelligent sensor various applications.
Язык: Английский
Процитировано
118
Journal of Alloys and Compounds, Год журнала: 2023, Номер 941, С. 168943 - 168943
Опубликована: Янв. 20, 2023
Язык: Английский
Процитировано
76
ACS Catalysis, Год журнала: 2023, Номер 13(7), С. 4060 - 4090
Опубликована: Март 9, 2023
The evolution of model catalyst systems has experienced single-crystal surfaces different transition metals and crystal faces, two-dimensional with nanoparticles (NPs) deposited on a flat support surface, three-dimensional NPs loaded into the high-surface-area supports such as ordered mesoporous materials. latter two mimic nanoparticle properties in industrial catalysts. Ordered carbon (OMC) materials play unparalleled roles catalysis, energy storage, adsorption, chromatographic separation, etc. because their distinctive structure which allows Knudsen diffusion inside mesopores, dispersion oxides, embedment pore walls. In this review, synthesis routes OMC-supported metal or oxide catalysts, including hard-templating soft-templating methods, are briefly introduced. Mass transfer reactant chemisorption metals, discrimination active species, catalytic reaction mechanism catalysts systemically summarized, highlight advantages catalysis occurring mesopores. Understanding these molecular-dominated factors provides insight controlling highly selective reactions and, therefore, design long life.
Язык: Английский
Процитировано
63
Coordination Chemistry Reviews, Год журнала: 2024, Номер 505, С. 215691 - 215691
Опубликована: Янв. 31, 2024
Язык: Английский
Процитировано
39
ACS Sensors, Год журнала: 2024, Номер 9(5), С. 2585 - 2595
Опубликована: Апрель 20, 2024
Achieving ultrasensitive and rapid detection of 3-methylbutyraldehyde is crucial for monitoring chemical intermediate leakage in pharmaceutical industries as well diagnosing ventilator-associated pneumonia by exhaled gas. However, developing a sensitive method detecting poses challenges. Herein, wireless chemiresistive gas sensor based on mesoporous ZnO–SnO2 heterostructure fabricated to enable the first time. The exhibits uniform spherical shape (∼79 nm diameter), high specific surface area (54.8 m2 g–1), small crystal size (∼4 nm), large pore (6.7 nm). demonstrates response (18.98@20 ppm), short response/recovery times (13/13 s), low limit (0.48 ppm) toward 3-methylbutyraldehyde. Furthermore, real-time system developed utilizing microelectromechanical systems sensors. modification amorphous ZnO SnO2 wall can effectively increase chemisorbed oxygen content thickness electron depletion layer at gas–solid interface, which facilitates interface redox reaction enhances sensing performance. This work presents an initial example semiconductor metal oxide sensors efficient that holds great potential ensuring safety during production disease diagnosis.
Язык: Английский
Процитировано
21
Small, Год журнала: 2024, Номер 20(47)
Опубликована: Авг. 16, 2024
Abstract Metal‐organic frameworks (MOFs) are a new variety of solid crystalline porous functional materials. As an extension inorganic materials, it has made important progress in preparation and application. MOFs widely used various fields such as gas adsorption storage, drug delivery, sensing, biological imaging due to their high specific surface area, porosity, adjustable pore size, abundant active sites, modification by introducing groups. In this paper, the types classified, synthesis methods mechanisms materials summarized. Finally, application prospects challenges metal‐organic framework biomedical field discussed, hoping promote multidisciplinary fields.
Язык: Английский
Процитировано
17
Advanced Sensor and Energy Materials, Год журнала: 2024, Номер 3(2), С. 100093 - 100093
Опубликована: Фев. 24, 2024
The advancement of gas sensor technology over the past decades has led to remarkable progress and achievements in pollution control environmental protection. Compared with other sensing materials, electrospun nanofibers have attracted significant attention, which is mainly due their unique characteristics, including but not limited high surface area, easy structure design, facile facility setup, multifunctional properties, etc., making them outstanding candidates for potential applications this field. This review provides an overview sensors, concentrating on carbon monoxide, hydrogen, dioxide, hydrogen sulfide, ammonia, nitrogen oxides, oxygen, volatile organic compounds. It begins a brief introduction materials advantages along ongoing research. principles electrospinning are then discussed. Afterward, corresponding properties diverse sensors thoroughly reviewed. Finally, future vision regarding challenges perspectives area proposed. extensive comprehensive reference utilize advanced generate novel facilitating performance high-demand areas.
Язык: Английский
Процитировано
16
Inorganic Chemistry, Год журнала: 2025, Номер unknown
Опубликована: Янв. 14, 2025
Hydrogen-bonded organic frameworks (HOFs) are under fast development in broad applications but have not been well explored for chemiresistive gas sensing yet primarily due to insufficient active sites. Herein, a new porphyrin-based HOF-199 is constructed by OH···O hydrogen bonds featuring layered networks and rich free oxygen (O) atoms, which further exfoliated into few-layer nonosheets with more dangling O sites through an ultrasound-assisted liquid exfoliation method (namely L-HOF-199). Benefiting from electron-donor sites, L-HOF-199 demonstrates exceptional NO2 properties ambient conditions, achieving remarkable 3.25-fold improvement sensitivity (152% toward 5 ppm of NO2) faster response speed (52 s), relative HOF-199. This work provides promising platform the rational design advanced sensors via functional HOF chemistry.
Язык: Английский
Процитировано
2
TrAC Trends in Analytical Chemistry, Год журнала: 2023, Номер 166, С. 117199 - 117199
Опубликована: Июль 20, 2023
Язык: Английский
Процитировано
34
Sensors and Actuators B Chemical, Год журнала: 2023, Номер 396, С. 134629 - 134629
Опубликована: Сен. 17, 2023
Язык: Английский
Процитировано
34