Integral feedback control is a basic engineering strategy for ensuring that the output of system robustly tracks its desired value independent noise or variations in parameters. In biological systems, it common response to an extracellular stimulus return prestimulus even continued presence signal—a process termed adaptation desensitization. Barkai, Alon, Surette, and Leibler have provided both theoretical experimental evidence precision bacterial chemotaxis robust dramatic changes levels...

In this work, we report a fabrication of epoxy resin/ordered three-dimensional boron nitride (3D-BN) network composites through combination ice-templating self-assembly and infiltration methods. The polymer possess much higher thermal conductivity up to 4.42 W m-1 K-1 at relatively low loading 34 vol % than that random distribution (1.81 for epoxy/random 3D-BN composites, 1.16 BN composites) exhibit high glass transition temperature (178.9-229.2 °C) dimensional stability (22.7 ppm/K). We...

P-n junctions based on vertically stacked van der Waals (vdW) materials have attracted a great deal of attention and may open up unforeseen opportunities in electronics optoelectronics. However, due to the lack intrinsic p-type vdW materials, most previous studies generally adopted electrical gating, special electrode contacts, or chemical doping methods realize p-n junctions. GaTe is an material with relatively high charge density, it has direct band gap that independent thickness. Here, we...

The desire for sustainable and clean energy future continues to be the concern of scientific community. Researchers are incessantly targeting development scalable abundant electro- or photo-catalysts water splitting. Owing their suitable band-gap excellent stability, an enormous amount transition-metal dichalcogenides (TMDs) with hierarchical nanostructures have been extensively explored. Herein, we present overview recent research progresses in design, characterization applications...

Holding novel physical properties, high flexibility and strong integration ability with Si‐based electronic devices, two‐dimensional (2D) non‐layered materials have received considerable attentions in recent years. To achieve the 2D anisotropic growth, various strategies been developed. And a variety of applications demonstrated. This review provides an overview on progress this material family. The scope will cover preparation strategies, including dry methods wet chemical approaches, as...

An ultrathin HfS2-based ultrasensitive phototransistor is systematically studied. Au-contacted HfS2 phototransistors with ideal thickness ranging from 7 to 12 nm exhibit a high on/off ratio of ca. 107, ultrahigh photoresponsivity over 890 A W−1, and photogain 2300. Moreover, the response time strongly dependent on back-gate voltage shows reverse trend for Au Cr metals. As service our authors readers, this journal provides supporting information supplied by authors. Such materials are peer...

Abstract The development of Pt IV prodrugs which are selectively reduced within cancerous cells into their II therapeutically active species has received increasing attention the last decade. Despite recent research progress, majority investigated compounds excited using ultraviolet or blue light. As light penetration depth is low at these wavelengths, treatment deep‐seated large tumors limited. To overcome this limitation, herein, example ‐functionalized nanoparticles that could be NIR...

Polymer composites with high thermal conductivity have attracted much attention, along the rapid development of electronic devices toward higher speed and better performance. However, interfacial resistance between fillers matrix or has been one primary bottlenecks for effective conduction in polymer composites. Herein, we report on engineering structure silicon carbide nanowire/cellulose microcrystal paper by generating silver nanostructures. We show that nanoparticle-deposited nanowires as...

2D layered GaTe materials have attracted a great deal of attention for optoelectronic applications due to their direct band structure, whether in bulk or as single layer. In this paper, the first time, we synthesized high quality, crystalline nanosheets by employing facile CVD method. The size reached several tens micrometers, and some them even exceeded 100 μm. particular, planar were achieved on mica substrate following van der Waals epitaxial growth mechanism. Further, through systematic...

Despite great progress in synthesis and application of graphene-like materials, it remains a considerable challenge to prepare two-dimensional (2D) nanostructures nonlayered materials that may bring us surprising physical chemical properties. Here, we propose general strategy for the growth 2D by van der Waals epitaxy (vdWE) with two conditions: (1) satisfy anisotropic (2) is implemented on substrates. Large-scale ultrathin Pb1–xSnxSe nanoplates (∼15–45 nm) have been produced mica sheets...

A highly sensitive phototransistor with a large on/off ratio and short photoresponse time is fabricated on CVD grown SnS₂NSs.

Layered chalcogenide materials (LCMs) are emerging in recent years for their great potential applications of electronics and optoelectronics. As a member LCMs, SnSe2, an n-type semiconductor with band gap ∼1.0 eV, is value to explore. In this paper, we develop facile CVD method, the first time, synthesize diverse shaped SnSe2 square SnSe nanosheets (NSs) on SiO2/Si substrates. To best our knowledge, thickness as-grown among thinnest ones synthesized by methods various What's more,...

Abstract Solar steam generation, a sustainable water‐purification technology, holds substantial promise in resolving the global issue of shortage drinkable water. Here, design, fabrication, and high‐performance an innovative 3D solar steamer, offering synergistic high‐efficiency steaming heavy metal removal functions are reported. The device is made synthesized carbon‐molybdenum‐disulfide microbeads electrostatically assembled on polyurethane sponge. mesoporous composite sponge also serves...

As an emerging class of new materials, two-dimensional (2D) non-graphene including layered and non-layered, their heterostructures are currently attracting increasing interest due to promising applications in electronics, optoelectronics clean energy. In contrast traditional semiconductors, such as Si, Ge III–V group 2D materials show significant merits ultrathin thickness, very high surface-to-volume ratio, compatibility with flexible devices. Owing these unique properties, while scaling...

As an effective alternative to noble platinum electrocatalyst, earth abundant and inexpensive layered transition metal dichalcogenides (TMDs) are investigated for the hydrogen evolution reaction (HER). Compared with binary TMDs, tunably composed ternary TMDs have hitherto received relatively little attention. Here, few‐layered WS 2(1− x ) Se 2 nanoribbons (NRs) metallic 1T phases, much more catalytically active in HER, prepared first time. The favorable Δ G H o introduced by tensile region...

Van der Waals heterostructures (vdWHs), obtained by artificially stacking 2D layered material (2DLM) plains upon each other, are brand new structures that have exhibited novel electronic and optoelectronic properties attracted a great deal of attention. So far, the results only based on devices with symmetrical configurations: predominated vdWH parts, or cross‐like configurations combined both vdWHs extra individual 2DLM layers. Quite different gate tunable phenomena been observed for these...

Transition metal dichalcogenides (TMDs) demonstrate great potential in electronic and optoelectronic applications. However, the device performance remains limited because of poor contact. Herein, we fabricate a high-performance ultrathin MoTe2 phototransistor. By introducing an electron tunneling mechanism, injection from electrode to channel is strikingly enhanced. The mobility approaches 25.2 cm2 V−1 s−1, better than that other back-gated FETs. Through electrical measurements at various...

With the rapid development of modern electronics toward miniaturization, high‐degree integration, and multifunctionalization, increased heat is generated during operation devices, which seriously limits performance, lifetime, reliability electronic devices. Polymer‐based composites with high thermal conductivity have attracted much attention in solving dissipation issue. However, conventional polymer‐based can hardly achieve a over 10 W m −1 K , due to interfacial resistance. Herein,...

2D nonlayered semiconductors attract intense interest due to their unique planar structure and various fascinating optoelectronic properties. Here, a method is developed design orientation-controlled well-defined single-crystalline PbS nanoplates arrays on mica. Furthermore, the single nanoplate device displays great photoresponsivity, detectivity, photogain values as high 1621 A W−1, 1.72 × 1011 Jones, 2512, respectively. As service our authors readers, this journal provides supporting...

NIR-II (1000-1700 nm) fluorescence imaging is continually attracting strong research interest. However, current materials are limited to small molecules with fast blood clearance and inorganic nanomaterials organic conjugated polymers of poor biodegradability low biocompatibility. Here, we report a highly biodegradable polyester carrying tandem fluorophores as promising alternative. The polymer encapsulated platinum intercalator (56MESS, (5,6-dimethyl-1,10-phenanthroline)...

ABSTRACT As the cornerstone mission of fourth phase Chinese Lunar Exploration Program, Chang'E-7 (CE-7) was officially approved, and implementation started in 2022, including a main probe communication relay satellite. The probe, consisting an orbiter, lander, rover mini-flying is scheduled to be launched 2026. lander will land on Shackleton crater's illuminated rim near lunar south pole, along with probe. satellite (named Queqiao-2) February 2024 as independent support during scientific...