Single-walled carbon nanotubes (CNTs) may enable the fabrication of integrated circuits smaller than 10 nanometers, but this would require scalable production dense and electronically pure semiconducting nanotube arrays on wafers. We developed a multiple dispersion sorting process that resulted in extremely high purity dimension-limited self-alignment (DLSA) procedure for preparing well-aligned CNT (within alignment 9 degrees) with tunable density 100 to 200 CNTs per micrometer 10-centimeter...

Carbon nanotube (CNT) field-effect transistor (FET)-based biosensors have shown great potential for ultrasensitive biomarker detection, but challenges remain, which include unsatisfactory sensitivity, difficulty in stable functionalization, incompatibility with scalable fabrication, and nonuniform performance. Here, we describe ultrasensitive, label-free, FET built on polymer-sorted high-purity semiconducting CNT films wafer-scale fabrication high uniformity. With a floating gate (FG)...

Carbon dots are a new kind of nanomaterial which has great potential in biomedical applications. Previously, we have synthesized novel Zn2+-passivated carbon (Zn-CDs) showed good osteogenic activity vitro. In this study, will further investigate the effects Zn-CDs vivo is essential before their clinical use. Herein, prepared and characterized as previously reported. Then, optimum dose for inducing osteoblasts was evaluated by MTS assay, intracellular reactive oxygen species (ROS) detection,...

Along with ultralow-energy delay products and symmetric complementary polarities, carbon nanotube field-effect transistors (CNT FETs) are expected to be promising building blocks for energy-efficient computing technology. However, the work frequencies of existing CNT-based metal-oxide-semiconductor (CMOS) integrated circuits (ICs) far below requirement (850 MHz) in state-of-art wireless communication applications. In this work, we fabricated deep submicron CMOS FETs considerably improved...

Abstract Aligned carbon nanotube (A‐CNT) films are expected to be an ideal channel material for constructing field‐effect transistors (FETs) that outperform conventional transistors, and multiple methods developed fabricate A‐CNT with high semiconducting purity, good alignment, density. However, the reported A‐CNTs‐based FETs almost all depletion‐mode suffer from poor subthreshold swing (SS). In this study, enhancement‐mode (E‐mode) based on fabricated by systematically optimizing...

Despite considerable advances in tissue engineering over the past two decades, solutions to some crucial problems remain elusive. Vascularization is one of most important factors that greatly influence function scaffolds. Many research studies have focused on construction a vascular-like network with prevascularization structure. Sacrificial materials are widely used build perfusable architectures, but these fabricated scaffolds only 2D plane-connected network. The fabrication...

Scaffolds play an important role in tissue engineering and their structure biocompatibility have great influence on cell behaviors. In this study, poly(l-lactide-co-

Monolithic optoelectronic integration based on a single material is major pursuit in the fields of nanophotonics and nanoelectronics order to meet requirements future fiber-optic telecommunication systems on-chip optical interconnection systems. However, incompatibility between silicon-based electronics germanium or compound semiconductor-based photonics makes it very challenging realize material. Here, silicon waveguides carbon nanotube (CNT) system demonstrated. Waveguide-integrated...

Abstract Carbon nanotube (CNT) network thin film field‐effect transistors (TFTs), which used to be considered as low cost and performance for display driving or flexible electronics, have recently been construct digital integrated circuits (ICs). However, few studies focused on exploring how optimal CNT TFTs can achieved according transistor standards in applications. In this work, sub‐micrometer based high‐quality high‐purity solution‐derived films are fabricated the potential restriction...

A novel acidothermophilic archaeon, strain Ar-4 T , was isolated from a sulfuric hot spring in Tengchong, Yunnan, China. Cells of were Gram-staining-negative, irregular cocci and motile by means flagella. Strain grew over temperature range 55–75 °C (optimum, 65 °C), pH 2.5–5.5 3.5) NaCl concentration 0–1 % (w/v). The aerobic facultatively chemolithoautotrophic. could extract metal ions sulfidic ore. It also able to oxidize reduced sulfur compounds. In addition, it use heterogeneous organic...

In this letter, we report a gate engineering method to adjust threshold voltage of carbon nanotube (CNT) based field-effect transistors (FETs) continuously in wide range, which makes the application CNT FETs especially digital integrated circuits (ICs) easier. Top-gated are fabricated using solution-processed network films with stacking Pd and Sc as electrodes. By decreasing thickness lower layer metal (Pd) from 20 nm zero, effective work function decreases, thus tuning (Vt) −1.0 V 0.2 V....

A nano self-gating diode (SGD) based on nanoscale semiconducting material is proposed, simulated, and realized carbon nanotubes (CNTs) through a doping-free fabrication process. The relationships between the performance material/structural parameters of SGD are explored numerical simulation verified by experiment results. Based these results, optimization strategy outlined, high CNT SGDs fabricated demonstrated to surpass other published diodes. In particular exhibits rectifier factor up 1.4...

Controllability of complex networks has been a hot topic in recent years. Real regarded as interdependent are always coupled together by multiple networks. The cascading process including failure and overload will destroy the robustness controllability for whole network. Therefore, optimization network is great importance research area In this paper, based on model constructed first, we determine under different proportions node attacks. Then, structural measured minimum driver nodes....

Silicon-based complementary metal–oxide–semiconductor (CMOS) has been the mainstream logic style for modern digital integrated circuits (ICs) decades but will meet its performance limits soon. Extensive investigations have thus carried out using other semiconductors, especially those with extremely high carrier mobility. However, these materials usually small or even zero band gap, which leads inevitably to large leakage current voltage loss in ICs based on semiconductors. In this work, we...

Owing to the combination of high carrier mobility and saturation velocity, low intrinsic capacitance, excellent stability, carbon nanotube (CNT) has been considered as a perfect semiconductor construct radio frequency (RF) field-effect transistors (FETs) circuits with an ultrahigh band. However, reported CNT RF FETs usually exhibited poor real performance indicated by as-measured maximum oscillation (fmax), then amplifiers, which are most important fundamental circuits, suffered from power...

Strontium-containing agents have been demonstrated to elicit both bone anabolic and antiosteoporotic effects, showing great potential for the treatment of loss. However, an increased incidence strontium-induced side effects restricts their clinical applications. Herein, oxidized carbon nitride nanosheets (CN) are delicately used incorporate Sr2+ first time achieve high osteogenic efficacy. The lamellar structure enriched nitrogen species CN provide them with a surface area-to-volume ratio...

This paper presents a systematic exploration on source/drain contact length scaling in carbon nanotube complementary FETs based transfer method.

Poly(lactic-co-glycolic acid) (PLGA) based biomaterials have many advantages and potential applications in bone tissue engineering. Whereas, a significant problem which could not be ignored was that the acidic by-products generated during its degradation induced severe inflammatory reactions negatively regulated regeneration. In this research, feasibility of using dexamethasone (Dex) to improve biocompatibility PLGA is investigated detail. Hereby, various contents PLGA/hydroxyapatite (PH)...