ACS Applied Electronic Materials, Год журнала: 2025, Номер unknown
Опубликована: Март 13, 2025
Язык: Английский
Nano Energy, Год журнала: 2024, Номер 126, С. 109689 - 109689
Опубликована: Апрель 30, 2024
Язык: Английский
Процитировано
40
ACS Applied Electronic Materials, Год журнала: 2025, Номер 7(1), С. 129 - 142
Опубликована: Янв. 1, 2025
A simple wet chemical solution method with an inexpensive photochemical synthesis process was performed to fabricate high-quality vertically aligned palladium nanoparticle (Pd NP)-decorated two-dimensional (2-D) zinc oxide (ZnO) nanosheets (NSs) on a seed layer/glass substrate at room temperature. The ultraviolet (UV) photodetectors (PDs) and without decorated Pd NPs in this article were named PdZO@-1 PdZO@-0 NSs, respectively. Field-emission scanning electron microscopy, X-ray diffraction, high-resolution transmission microscopy measurement results showed that the 2-D nanostructures perpendicularly grew substrate, interwoven one another, oriented preferentially along (002) plane good polycrystalline crystallinity. morphological images revealed average length thickness of NSs 2.62 30.2 nm, whereas 2.69 30.5 optical characteristics compositions UV PDs determined by photoluminescence (PL), UV–visible absorbance/transmittance, photoelectron spectroscopy. Energy-dispersive NS samples contained approximately 1.12 at. % element. At applied bias 1 V, rise times under illumination 200 49.3 s, respectively, decay 126.6 23.6 Iph/Idark ratios (4882) higher than those (940). Additionally, also electrical performance humid environment. 90% relative humidity (RH) 13.3 2.9 Compared specific detectivity rate significantly improved 30–90% for NSs. Overall, exhibited enhanced UV-sensing performances different RH levels, they are promising candidate future Internet Things PD-based devices control applications (e.g., cataract disease, skin aging, cancer, food safety, incubators, biological products).
Язык: Английский
Процитировано
5
Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 160260 - 160260
Опубликована: Фев. 1, 2025
Язык: Английский
Процитировано
3
ACS Nano, Год журнала: 2024, Номер unknown
Опубликована: Дек. 3, 2024
Electrochemical humidity (ECH) sensors that integrate power generation and sensing have attracted great research attention in recent years. However, the design of high-performance ECH faces many challenges. Namely, working mechanism is still controversial, related self-powered applications not been well implemented. To overcome these limitations, this study constructs an sensor with high power-generation humidity-sensing performance using KCl/carbon black/halloysite nanotubes (KCl/CB/HNTs) as a electrolyte. The proposed has wide response 10.9%-91.5% relative (RH), single can output 1.46 V maximum 133.2 μW at 91.5% RH. Particularly, unprecedented mixed chemical reactions positive electrode, including hydrogen evolution reaction oxygen reduction reaction, are analyzed multiple characterization testing techniques. analysis results provide solid experimental evidence for current controversial sensors. Due to advantage high-power generation, be used detection. This provides valuable reference improving clarifying their mechanism, which could beneficial guiding future development
Язык: Английский
Процитировано
16
Sensors and Actuators B Chemical, Год журнала: 2024, Номер 422, С. 136605 - 136605
Опубликована: Сен. 7, 2024
Язык: Английский
Процитировано
15
Journal of Materials Chemistry C, Год журнала: 2024, Номер unknown
Опубликована: Янв. 1, 2024
A facilely fabricated, low-cost and multifunctional electrochemical self-powered pressure sensor is achieved using a simple method cheap raw materials.
Язык: Английский
Процитировано
10
Sensors and Actuators B Chemical, Год журнала: 2025, Номер 429, С. 137286 - 137286
Опубликована: Янв. 25, 2025
Язык: Английский
Процитировано
2
Sensors and Actuators B Chemical, Год журнала: 2024, Номер 422, С. 136569 - 136569
Опубликована: Сен. 6, 2024
Язык: Английский
Процитировано
8
ACS Sensors, Год журнала: 2025, Номер unknown
Опубликована: Фев. 3, 2025
Amorphous noble metals often display excellent sensitization due to their unsaturated atomic coordination and abundant active sites on the surface. In this work, amorphous palladium-ruthenium bimetallic nanoparticles were successfully prepared by lithium doping incorporated into MOF-303 using a confinement strategy. Compared with crystalline c-PdRuOx@MOF-303, low-humidity sensor constructed a-PdRuOx@MOF-303 exhibits higher response values (3600 Hz 3.39% RH), shorter response/recovery time (9/7 s), hysteresis (0.16% RH) stability. Meanwhile, has been further explored achieve continuous monitoring of human breathing, cough, finger humidity, providing broad application prospects for materials in wearable medical devices noncontact human-machine interactions. Additionally, sensitive mechanism was GCMC methods. The simulation results demonstrate that introducing a-PdRuOx pores leads significant enhancement adsorption properties. This improvement is not only tothe increase provided but also substantial rise energy hydrophilic pocket MOF-303. increases from -25.70 -31.56 kJ/mol, highlighting work synergy enables activation more water molecules, effectively enhancing overall capacity performance
Язык: Английский
Процитировано
1
Опубликована: Март 5, 2025
Combining the structure of primary cell and operational principle humidity sensor, we propose a aluminium/(NaCl/OH-MWCNTs)/copper self-supplied electrochemical (ECH) sensor in this work. Among them, NaCl is used to improve ionic conductivity sensitive electrolyte, while hydroxylated multiwalled carbon nanotubes (OH-MWCNTs) are enhance hydrophilicity thin membrane. Copper foil aluminium employed as electrodes. Experimental data show that ECH can automatically generate voltage over relative (RH) ranging from 10.9% 91.5%. It has an output 0.62 V at 91.5% RH maximum power 6.57 μW. Based on great properties, suitable for breathing frequency detection. This paper presents straightforward approach constructing high-performance sensor.
Язык: Английский
Процитировано
1