Conjugated small-molecule hole-transport materials (HTMs) with tunable energy levels are designed and synthesized for efficient perovskite solar cells. A champion device efficiency of 16.2% is demonstrated using a dopant-free DERDTS-TBDT HTM, while the DORDTS-DFBT-HTM-based shows an inferior performance 6.2% due to its low hole mobility unmatched HOMO level valence band film.

Planar heterojunction perovskite solar cells using a dopant-free organic hole transport material have been developed and an efficiency of 14.9% has demonstrated.

Novel structure-engineered amorphous oxide semiconductor thin-film transistors using a solution process to overcome the trade-off between high mobility and other parameters (i.e., on/off ratio, sub-threshold voltage swing, threshold voltage, so on) are proposed. High performance confining AOS TFTs successfully demonstrated, which utilize specially designed layer with ultra-high density electron mobility.

We demonstrate straightforward fabrication of highly sensitive biosensor arrays based on field-effect transistors, using an efficient high-throughput, large-area patterning process. Chemical lift-off lithography is used to construct transistor with high spatial precision suitable for the both micrometer- and nanometer-scale devices. Sol–gel processing deposit ultrathin (∼4 nm) In2O3 films as semiconducting channel layers. The aqueous sol–gel process produces uniform coatings thicknesses a...

The creation of new organic–inorganic phototransistors with high and broad spectral photosensitivity is reported. extended charge transport photoconductivity between the layers in bilayer structure results a notable detectivity over 1012 Jones linear dynamic range 100 dB at bandwidth across UV–NIR range. Furthermore, considerably reduced persistent photocurrent effect In–Ga–Zn–O (IGZO)-based hybrid first demonstrated via an approach. As service to our authors readers, this journal provides...

A facile and quantitative approach has been demonstrated to improve the TiO₂ ETL in perovskite solar cells, with enhanced carrier extraction.

We employ mixed self-assembled monolayers of carboranethiols to alter the work function gold and silver systematically. use isomers symmetric carboranethiol cage molecules vary molecular dipole moments directions, which enable tunability over a wide range with minimal alterations in surface energy. Mixed provide an ideal platform for study fabrication solution-processed organic field-effect transistors; improved device performance is demonstrated by interface engineering.

In this communication, we report an efficient and flexible perovskite solar cell based on formamidinium lead trihalide (FAPbI3) with simplified configuration. The device achieved a champion efficiency of 12.70%, utilizing direct contact between metallic indium tin oxide (ITO) electrode absorber. underlying working mechanism is proposed subsequently, via systematic investigation focusing the heterojunction within device. A significant charge storage has been observed in perovskite, which...

Ultrasensitive field-effect transistor-based biosensors using quasi-two-dimensional metal oxide semiconductors were demonstrated. Quasi-two-dimensional low-dimensional highly sensitive to electrical perturbations at the semiconductor–bio interface and showed competitive sensitivity compared with other nanomaterial-based biosensors. Also, solution process made our platform simple reproducible, which was favorable nanobioelectronics. A In2O3-based pH sensor a small detection limit of 0.0005...

Large-scale synthesis of recyclable photocatalysts for pollutant degradation remains a challenge. Epitaxial growth powdered on substrates is constrained by the dedicated materials with highly matched lattices and...

Permutation flow shop is a typical production method in discrete manufacturing. In reality, order to reduce the inventory cost, enterprises need deliver produced products customers time. Therefore, consider logistics transportation scheme when making plans, and minimize total cost of through collaborative optimization scheduling scheduling. vehicle routing problem studied this paper. Aiming at requirements scheduling, mathematical model established, an improved salp swarm algorithm proposed...

We investigated aqueous metal complex-based oxide semiconductor films formed with various ligands, such as chloride, acetate, fluoride, and nitrate. Nitrate ligand-based indium(III) precursor was easily decomposed at low temperature due to the replacement of all nitrate ions water during solvation form hexaaqua cation ([In(H2O)6]3+). Hexaaqua a key complex realize high-quality temperature. Additionally, Al2O3-based high-k dielectric also employed by using precursor, aluminum(III)...

In the last decade, there has been considerable development in area of oxide semiconductors, owing to their superior electrical properties as compared a‐Si:H, and lower cost better uniformity over large areas poly‐Si. On other hand, multi‐functional sensing systems play a significant role building bridge across bio/electronic interface require advanced thin‐film transistors (TFT) components signal processing circuits. High‐performance TFTs are constructed based on material design, device...

Metal oxide semiconductors realized using solution processes have received a great deal of attention because their low cost and simple fabrication. One major problem associated with the approach is presence undesired impurity species introduced by precursor solutions. Here, we investigated effects impurities on electrical properties device performance metal semiconductor thin-film transistors. It was found that chlorine residues inhibit formation framework impede electron transport in...

Amorphous metal oxides are attractive materials for various sensor applications, because of high electrical performance and easy processing. However, low absorption coefficient, slow photoresponse, persistent photoconductivity amorphous oxide films from the origin deep-level defects obstacles to their use as photonic applications. Here, we demonstrate ultrahigh photoresponsivity organic-inorganic hybrid phototransistors featuring bulk heterojunction polymers low-bandgap zinc oxynitride....

The swift expansion of artificial intelligence (AI) has revolutionized various sectors, driving innovation and efficiency across numerous industries. High-speed application scenarios the fifth generation mobile communication systems (5G), demand for resources is greater, higher standards are put forward future wireless communications, resource allocation problems 5G also need to be further optimized. Key worth exploring in study technology include how maximize millimeter wave (mmWave), meet...

In this article, we propose a novel wireless powered communication network, which is composed of two multiple antennas hybrid access points and series distributed devices. The transmit downlink energy to the devices receive uplink messages from devices; meanwhile, information nearer their corresponding point should be transmitted faraway point. To improve throughput performance some away point, clustering-collaboration interactive protocol with by Time Division Multiple Access, where are...

The fifth generation (5G) mobile communication technology is the research hotspot in field of at home and abroad, whose biggest characteristic high bandwidth low delay. However, Orthogonal Frequency Division Multiplexing (OFDM) has frequency utilization rate anti-multipath interference, as a key candidate technique for 5G, which can effectively resist selection fading so on, thus been widely concerned, researched popularized. In this paper, basic principle, modulation demodulation block...

In order to enable the interaction between human and mobile robot, a control platform of robot is designed using speech recognition operation system (ROS). The PC installed with ROS performs as server communicate which acts client through WIFI. sends commands generated from motion robot. Simultaneously, transfers information sever, visualization tool called RVIZ used display trajectory tilt angle in real-time. simulation experimental results demonstrate that can play an important role on...

We investigated solution-processed oxide semiconductor films derived from various aqueous precursors. Findings show that the structure of metal complexes in precursor solutions greatly affect decomposition temperature, impurity concentration, and more importantly, electrical performance. Also, facile redox reaction is demonstrated as one solution to remove impurities effectively.