The formation of MXene-SnO 2 heterojunction enhances the perception of H 2. It can introduce additional electrons on the surface of heterojunction, providing H 2 adsorbs more sites. Two dimensional MXene can effectively adsorb H 2 in the sensing process because of its good conductivity. This work can provide reference for other researchers to
Customer ServiceThe test results show that compared with single SnO 2, MXene-SnO 2 composite sensor has higher response, shorter response/recovery time, stable repeatability and excellent selectivity.
Customer ServiceSemiconductor p–n heterojunction is an emerging route to self-powered, wavelength-distinguishable PEC-PDs. [ 5, 6, 11, 13] One basic principle of using p–n heterojunction for wavelength distinguishable photodetection is to utilize the polarity of the photocurrent to sense different incident light wavelengths, based on different types of chemical...
Customer ServiceThese limitations are evident in battery fault detection; specifically, when the initial model estimate deviates significantly, subsequent anomaly detection is affected by the hysteresis effect. As model accuracy decreases, the global stability trend of OLE reduces its sensitivity to anomalous data. To address the aforementioned issues, we use the ILE based on local neighborhoods to replace
Customer ServiceHere, for the first time we report a one-dimensional Fe 2 O 3 /Cu 2 O type-II heterojunction nanowire photocathode for light-assisted metal–CO 2 batteries. With this new photocathode, a Li–CO 2 battery can achieve an ultralow voltage gap of 0.19 V and a superior round-trip efficiency of 88% after 260 cycles under irradiation of
Customer ServiceThe development of a portable photo-assisted self-powered sensing platform with high sensitivity and selectivity for the detection of low-abundance targets is attractive. Herein, a self-powered sensor with photo-assisted zinc−air battery as a energy conversion device was developed for sensitive detection of gallic acid.The proposed photo-assisted zinc−air battery
Customer ServicePhoto-assisted Zn-air battery promoted self-powered sensor for selective and sensitive detection of antioxidant gallic acid based on Z-scheme nanoarchitectonics with
Customer ServiceThe formation of MXene-SnO 2 heterojunction enhances the perception of H 2. It can introduce additional electrons on the surface of heterojunction, providing H 2 adsorbs more sites. Two dimensional MXene can effectively adsorb H 2 in the sensing process because of
Customer ServicePhoto-assisted Zn-air battery promoted self-powered sensor for selective and sensitive detection of antioxidant gallic acid based on Z-scheme nanoarchitectonics with heterojunction AgBr/CuBi2O4
Customer ServiceMonolayer graphene/Si junctions were found to be excellent weak-signal detectors with photovoltage responsivity exceeding 10 7 V/W and with noise-equivalent-power reaching ∼1 pW/Hz 1/2, potentially capable of
Customer ServiceTo achieve spectral imaging, home-building active imaging system was used, where a white light laser source is applied for illumination and our 2D heterojunction device is acting as detection element.
Customer ServiceHere, for the first time we report a one-dimensional Fe 2 O 3 /Cu 2 O type-II heterojunction nanowire photocathode for light-assisted metal–CO 2 batteries. With this new photocathode, a Li–CO 2 battery can achieve an
Customer ServiceOur findings indicate that Li 2 O is the product of the photo-assisted lithium–oxygen battery. Under illumination, the battery can be rechargeable for over 1000 hours at 0.05 mA cm −2 with a small polarization gap.
Customer ServiceDOI: 10.1016/j.snb.2023.134544 Corpus ID: 261452326; Perylene tetracarboxylic acid (PTA)-based type II heterojunction sensing platform for signal-on photoelectrochemical detection of CEA
Customer ServiceHerein, a self-powered sensor with photo-assisted zinc−air battery as a energy conversion device was developed for sensitive detection of gallic acid. The proposed photo-assisted zinc−air battery was constructed based on a AgBr/CuBi 2 O 4 Z-scheme heterojunction with high open circuit voltage (OCV). The outstanding OCV signal benefits from
Customer Service锂离子电池失效过程中,氢气的排出表明电解液已泄漏并正在电解,这是锂电池热失控的标志。 在这项工作中,氧化锡（SnO）纳米片通过高温煅烧形成,并与不同比例的TiCTx（MXene）复
Customer ServiceMonolayer graphene/Si junctions were found to be excellent weak-signal detectors with photovoltage responsivity exceeding 10 7 V/W and with noise-equivalent-power reaching ∼1 pW/Hz 1/2, potentially capable of distinguishing materials with transmittance, T = 0.9995 in a 0.5 s integration time.
Customer Service锂离子电池失效过程中,氢气的排出表明电解液已泄漏并正在电解,这是锂电池热失控的标志。 在这项工作中,氧化锡（SnO）纳米片通过高温煅烧形成,并与不同比例的TiCTx（MXene）复合。 对材料的形貌、微观结构和元素组成进行了表征。 探索了 MXene-SnO 在最合适温度下对氢气 (H) 的传感响应。 测试结果表明,与单一SnO相比,MXene-SnO复合传感器具有更高的响应、更
Customer ServiceIn recent years, metal compound-based heterojunctions have received increasing attention from researchers as a candidate anode for lithium/sodium-ion batteries, because heterojunction anodes possess unique
Customer ServiceFabricating perovskite heterojunctions is challenging. Now, Ji et al. form a phase heterojunction with two polymorphs of CsPbI3, leading to 20.1% efficiency in inorganic perovskite solar cells.
Customer ServiceDuring the process of lithium-ion battery failure, the discharge of hydrogen indicates that the electrolyte has leaked and is being electrolyzed, which is a sign of thermal runaway in lithium batteries. In this work, stannic oxide (SnO<SUB loc="post">2</SUB>) nanosheets was formed by high-temperature calcination and compounded with Ti<SUB loc="post">3</SUB>C<SUB
Customer ServiceThese limitations are evident in battery fault detection; specifically, when the initial model estimate deviates significantly, subsequent anomaly detection is affected by the hysteresis effect. As
Customer ServiceAdditionally, it is worth noting that our presented rGO/Si heterojunction also benefits from the overall advantages of graphene/Si Schottky junctions like large effective detection area and fast collecting behavior [32]. These factors can increase the efficiency of the photodetectors [32], solar cells [32, 34], and the presented betavoltaic cell.
Customer ServiceOur findings indicate that Li 2 O is the product of the photo-assisted lithium–oxygen battery. Under illumination, the battery can be rechargeable for over 1000 hours at 0.05 mA cm −2 with a small polarization
Customer ServiceIn recent years, metal compound-based heterojunctions have received increasing attention from researchers as a candidate anode for lithium/sodium-ion batteries, because heterojunction anodes possess unique interfaces, robust architectures, and synergistic effects, thus promoting Li/Na ions storage and accelerating ions/electrons transport.
Customer ServiceMetal oxide semiconductor heterojunctions (MOSHs) can enhance the performance of ethanol gas sensors substantially. Ethanol gas sensors based on MOSHs are cost-effective and have excellent sensing response, good selectivity, fast response and recovery, long-term stability or repeatability, a low operating temperature, a facile fabrication process,
Customer ServiceSemiconductor p–n heterojunction is an emerging route to self-powered, wavelength-distinguishable PEC-PDs. [ 5, 6, 11, 13] One basic principle of using p–n heterojunction for wavelength distinguishable photodetection is to
Customer ServiceWas bedeutet Heterojunction? Die HJT-Solarzelle ist eine Kombination aus einem kristallinen Silizium-Wafer und einer Dünnschichtzelle aus amorphem Silizium. Während in normalen Solarzellen das gleiche Halbleitermaterial unterschiedlich dotiert wird, um einen pn-Übergang zu erzeugen, entsteht dieser bei der HJT-Solarzelle zwischen zwei unterschiedlichen
Customer ServiceIn-sensor computing architectures can provide energy-efficient multifunctional capabilities, but their application to the mid-infrared range is challenging. Here, the authors report the
Customer ServiceThe research of heterojunctions pays more attention to the effects brought by the intrinsic feature of the building blocks (e. g., band structures, alignment styles, semiconductor types, carrier concentration, and Fermi level difference) on the electronic structure and electric field distribution of whole materials.
The features of heterointerfaces are beneficial to the performances of heterojunction anodes in Li + /Na + batteries, in terms of enhanced reaction kinetics, significant pseudocapacitance effects with superior rate property, increased active sites and excellent structural stability.
Generally, heterojunctions have been widely used in the fields of semiconductor electronics and optoelectronic devices in the past period. Besides, chemical vapor deposition (CVD) and mechanical exfoliation are the classic methods for heterojunction preparation.
In recent years, metal compound-based heterojunctions have received increasing attention from researchers as a candidate anode for lithium/sodium-ion batteries, because heterojunction anodes possess unique interfaces, robust architectures, and synergistic effects, thus promoting Li/Na ions storage and accelerating ions/electrons transport.
Meanwhile, synthesis routes, characterization and calculation methods, as well as electrochemical performances of heterostructures are roundly reviewed. Furthermore, prospects and potential directions of heterojunctions are proposed, aiming to guide the future energy storage.
The Mott-Schottky curve and UV-visible spectrophotometry are also used to characterize the Co/CoSe heterojunction by Li et al. 27 The p-type nature of CoSe semiconductor is revealed by the negative slope of Mott-Schottky curve, and the UV-vis results show a bandgap of 1.08 eV for CoSe.
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