It remains an exciting challenge to achieve a direct production of oxygen vacancies (OVs) by the one-step grinding BiOCl visible-light-driven photocatalysts. Herein, nanoplates are synthesized via mannitol-assisted method, which exhibits efficient photocatalytic activity for CO2 reduction and degradation organic toxins. Different from previously reported water/solvatory thermal synthesis, reaction conditions mild preparation speed is fast. Compared with BiOCl, surface area modified BiOCl-1...

Liver cancer is one of the malignant tumors with highest fatality rate and increasing incidence, which has no effective treatment plan. Early diagnosis early liver play a vital role in prolonging survival period patients improving cure rate. Carcinoembryonic antigen (CEA) alpha-fetoprotein (AFP) are two crucial tumor markers for diagnosis. In this work, we firstly proposed wafer-level, highly controlled silicon nanowire (SiNW) field-effect transistor (FET) joint detection sensor sensitive...

The as-grown LaB₆ nanowire arrays still remain a very large and stable emission current density over 16.7 mA cm⁻² at high temperature as well recoverable performances, which should have promising future in cold cathode electron sources.

Abstract Silicon nanowire (SiNW), as one‐dimensional semiconducting nanomaterial, has been incorporated into the filed‐effect transistor (FET) devices to increase efficacy and signal‐to‐noise in DNA sensing applications. Due advantages of high sensitivity, excellent selectivity, label‐free detection, direct electrical readout, miniaturization, SiNW FET‐based sensors have regarded an important tool applications molecular diagnostics, sequencing, gene expressions, drug discovery. Here, we...

In this paper, we present a highly sensitive and selective detection of serum carcinoembryonic antigen (CEA) based on silicon nanowire (SiNW) array device. With the help traditional microfabrication technology, low-cost controllable SiNW devices were fabricated. After series surface modification processes, biosensors show rapid reliable response to CEA; limit CEA was 10 fg/mL, current signal is linear with logarithm concentration in range fg/mL 100 pg/mL. work, can obtain strong high...

WO 2 nanowires have great potential as cold cathode materials because they exhibit excellent field‐emission properties in terms of their low work function and high conductivity. Considering the requirements practical applications large‐area cold‐cathode devices, such X‐ray source panel display, these nanostructures are desired to be fabricated on glass substrate integrated into devices. It is best known that studies nanowire arrays grown glass‐substrate absent so far, which remains a...

Abstract There are more or less dopants defects existing in nanomaterials, so they usually have different conduct-types even for the same substrate. Therefore, fast identification of conduction-type nanomaterials is very essential their practical application functional nanodevices. Here we use field emission (FE) technique to research and establish a generalized Schottky-Nordheim (SN) model, which an important parameter λ (the image potential factor) first introduced describe effective...

A convenient fabrication technique for samarium hexaboride (SmB6) nanostructures (nanowires and nanopencils) is developed, combining magnetron-sputtering chemical vapor deposition. Both are proven to be single crystals with cubic structure, they both grow along the [001] direction. Formation of attributed vapor-liquid-solid (VLS) mechanism, content boron proposed reason their different morphologies at various evaporation distances. Field emission (FE) measurements show that maximum current...

Investigating the electromagnetic properties of magnetite nanoparticles (Fe3O4 NPs) is beneficial for expanding their biomedical applications, especially in tumor hyperthermia. In this study, monodisperse Fe3O4 NPs various shapes (i.e., quadrilateral-like, hexagon-like, rod-like, and triangle-like) were successfully prepared by a microwave-assisted thermal decomposition approach. The magnetic inductive heating performance, as well analyzed systematically. results showed that...

This paper presents a low-cost and high-performance humidity sensor using silicon nanowire (SiNW) array. The sensing mechanism is based on the resistance variations due to adsorption/desorption of water vapor SiNW With help traditional microfabrication technology, large number as well highly controllable arrays were fabricated, whole fabrication process compatible with complementary metal oxide semiconductor (CMOS) such lithography, reactive ion etching wet etching. fabricated array shows...

Here, we demonstrate an ultrasensitive olfactory system, namely, a bioelectronic nose (B-nose), based on CMOS-compatible silicon nanowires (SiNWs) conjugated with odorant-binding protein (OBP). The SiNWs were low-cost and top-down fabricated conventional microfabrication process by using novel controllable size-reduction process. OBP-SiNW devices detect vapor analytes under ambient air conditions, reversible reproducible sensor responses. SiNW B-noses have shown ultrahigh sensitivity for...

As a typcial kondo insulator, SmB <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">6</sub> has attracted most of attention in recent years. But their corresponding nanostructures are hard to fabricate due the growth technique. In this paper, uniform nanocone arrays have been successfully fabricated by simple chemical vapor deposition (CVD) method. The field emission (FE) behaviors were investigated reveal surface properties. FE measurement...

The B/LaB <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">6</sub> hierarchical heterojunction nanostructures have been successfully fabricated on Si substrate by CVD technique. branch-like morphology may be beneficial to improving their field emission (FE) properties increasing the aspect ratio or growth density of emitters. results show that threshold nanoheterojunctions is 21.6 V/μm (@1 mA/cm <sup...

This paper presents a low-cost and high-precision pH sensor using silicon nanowire (SiNW) array. With the help of traditional microfabrication technology, as well highly controllable SiNW array was fabricated. After functionalized with APTES solution, shows rapid reliable response to value. excellent linearity repeatability, accuracy can be achieved at ± 0.1pH. Further unknown value solutions are used confirm meter.

Lanthanum hexaboride (LaB <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">6</sub> ) nanowires have attracted much attention due to their outstanding physical properties. In order enhance the developments of LaB nanowires, it is essential study field emission (FE) properties in different environments. Here, we investigate effect oxygen (O xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> on FE behaviors nanowires. And found that content...

SmB <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">6</sub> is believed as an ideal candidate for FE applications because of their unique properties. Up to date, the effect image potential on field emission (FE) behaviors one-dimensional nanostructures still unclear in experiments, and thus it becomes a challenging issue researchers. In this paper, properties nanowires are detailed studied by combination experimental results generalized...