Researchers report an organic nanowire artificial synapse that emulates working principles and energy consumption of biological synapses.

Electron‐injecting interlayers (ILs) which are stable in air, inject electrons efficiently, block holes, and quenching of excitons, very important to realize efficient inverted polymer light‐emitting diodes (IPLEDs). Two air‐stable electron‐injecting (ILs), branched polyethyleneimine (PEI) ethoxylated (PEIE) for use IPLEDs introduced, the roles ILs comparing these with a conventional Cs 2 CO 3 IL elucidated. These can reduce electron injection barrier between ZnO emitting layer by decreasing...

Abstract Cesium azide (CsN 3 ) is employed as a novel n‐dopant because of its air stability and low deposition temperature. CsN easily co‐deposited with the electron transporting materials in an organic molecular beam chamber so that it works well transport layer evaporation temperature similar to common materials. The driving voltage p‐i‐n device ‐doped n‐type MoO p‐type greatly reduced, this exhibits very high power efficiency (57 lm W −1 ). Additionally, n‐doping mechanism study reveals...

A highly efficient simplified organic light-emitting diode (OLED) with a molecularly controlled strategy to form near-perfect interfacial layer on top of the anode is demonstrated. self-organized polymeric hole injection (HIL) exploited increasing injection, electron blocking, and reducing exciton quenching near electrode or conducting polymers; this HIL allows OLED comprised single small-molecule fluorescent exhibits high current efficiency (∼20 cd/A). Detailed facts importance specialist...

Abstract Organic nanofibers (ONFs) have attracted much interest as one‐dimensional functional units in various research fields with their unique advantages. Among many fabrication methods for them, electrospinning has been the spotlight recently because of its simplicity and versatility. In this paper, first we introduce principle, advantages, conditions then review recent studies about electronic photonic applications electrospun ONFs, including organic light‐emitting diodes, photovoltaics,...

A versatile metal nanowiring platform enables the fabrication of Ag nanowires (AgNW) at a desired position and orientation in an individually controlled manner. printed, flexible AgNW has diameter 695 nm, resistivity 5.7 μΩ cm, good thermal stability air. Based on platform, all-NW transistors array, as well various optoelectronic applications, are successfully demonstrated. As service to our authors readers, this journal provides supporting information supplied by authors. Such materials...

Although graphene can be easily p‐doped by various adsorbates, developing stable n‐doped that is very useful for practical device applications a difficult challenge. We investigated the doping effect of solution‐processed (4‐(1,3‐dimethyl‐2,3‐dihydro‐1 H ‐benzoimidazol‐2‐yl)phenyl)dimethylamine (N‐DMBI) on chemical‐vapor‐deposited (CVD) graphene. Strong n‐type confirmed Raman spectroscopy and electrical transport characteristics field‐effect transistors. The strong shifts Dirac point to...

A new technique, electro-hydrodynamic nanowire (e-NW) lithography , is demonstrated for the rapid, inexpensive, and efficient fabrication of graphene nanorib bons (GNRs) on a large scale while simultaneously controlling location alignment GNRs. series interesting GNR architectures, including parallel lines, grids, ladders, stars are produced. sub-10-nm-wide obtained to fabricate field-effect transistors that show room-temperature on/off current ratio ca. 70. As service our authors readers,...

One‐dimensional nanowires (NWs) have been extensively examined for numerous potential nano‐electronic device applications such as transistors, sensors, memories, and photodetectors. The ferroelectric‐gate field effect transistors (Fe‐FETs) with semiconducting NWs in particular combination ferroelectric polymers gate insulating layers attracted great attention because of their high density memory integration. However, most the devices still suffer from low yield mainly due to ill‐control...

A individually position-addressable large-scale-aligned Cu nanofiber (NF) array is fabricated using electro-hydrodynamic nanowire printing. The printed single-stranded NF has a diameter of about 710 nm and resistivity 14.1 μΩ cm effectively used as source/drain nanoelectrode in pentacene transistors, which show 25-fold increased hole mobility than that device with thin-film electrodes. As service to our authors readers, this journal provides supporting information supplied by the authors....

Color control without severe photoluminescence (PL) quenching is one of main issues in white light emission technology. White was successfully achieved using phosphor layers made electrospun quantum dot (QD) embedded polymer fibers as color down-conversion blue light-emitting diodes (LEDs). Down-conversion from to longer wavelength characterized by fluorescence microscopy and spectroscopy. Using orange QD-embedded fiber-based layers, a broad spectrum white-light demonstrated with the CIE...

On-fabrication solid-state N-doping of graphene is developed using a Zonyl-added ZnO layer on surface. Inverted organic solar cells based the cathode and exhibit power conversion efficiency 7.5%—a high-record single-junction with electrodes. For first time 100% respect to ITO achieved. As service our authors readers, this journal provides supporting information supplied by authors. Such materials are peer reviewed may be re-organized for online delivery, but not copy-edited or typeset....

Transparent flexible transistor array requests large-area fabrication, high integration, manufacturing throughput, inexpensive process, uniformity in performance, and reproducibility. This study suggests a facile reliable approach to meet the requirements. We use Al-coated polymer nanofiber patterns obtained by electrohydrodynamic (EHD) printing as photomask. lithography deposition produce highly aligned nanolines (NLs) of metals, insulators, semiconductors on large substrates. With these...

Abstract It is a great challenge to develop solution‐processed, polymeric hole‐injection layers (HILs) that perform better than small molecular for realizing high‐performance small‐molecule organic light‐emitting diodes (SM‐OLEDs). We have greatly improved the injection efficiency and current of SM‐OLEDs by introducing conducting polymer compositions composed polyaniline doped with polystyrene sulfonate perfluorinated ionomer (PFI) as HIL. During single spin‐coating compositions, PFI layer...

A rapid, scalable, and designable approach to produce a cross-shaped memristor array is demonstrated using an inorganic-nanowire digital-alignment technique one-step reduction process. Two-dimensional arrays of perpendicularly aligned, individually conductive Cu-nanowires with nanometer-scale Cux O layer sandwiched at each cross point are produced.

Hybrid inverted polymer light-emitting diodes with very high efficiencies have been realized by using a thick emitting layer. The findings described in this Higlight indicate that broadening of the exciton density profiles and redistribution electric field near charge injection contacts devices is crucial for efficiency.

Nanowires (NWs) are 1D confined nanostructures; this geometry gives them unique properties that have been exploited in fabrication of high‐density and high‐tech electronic devices. Current method to produce NWs cannot fabricate large‐scale‐aligned NW arrays with precise control length, orientation, location, number individually; these inabilities hinder application practical electronics. This paper describes e‐nanowire printing, a print highly aligned on large scale, then reviews recent...

Abstract One‐, two‐, and three‐dimensional microstructures with dispersed silver nanoparticles are fabricated by a combination of photopatterning thermal treatment from salt containing photosensitive epoxy resin. Ultraviolet photo‐irradiation subsequent combined to control the rate reduction, size arrangement nanoparticles, as well reticulation This approach allows creation high resolution 1‐, 2‐, 3D patterns homogeneous distribution regardless irradiated area.

Large-scale-aligned Ag nanoelectrode arrays fabricated by printed nanowire lithography produced complementary inverters combining with organic semiconducting nanowires.

To facilitate the utilization of graphene films in conventional semiconducting devices (e.g. transistors and memories) which includes an insulating layer such as gate dielectric, facile synthesis bi-layers composed a film by one-step thermal conversion will be very important. We demonstrate simple, inexpensive, scalable patternable process to synthesize graphene-dielectric bi-layer from solution-processed polydimethylsiloxane (PDMS) under Ni capping layer. This method fabricates structure...

The development of precise, chemical-free, and low-cost pixel patterning with high resolution throughput instead conventional photolithography is very important for large-area flexible organic light-emitting diode (OLED) displays or solid-state lightings aperture ratio. Here, a novel scalable noninvasive lithography reported as method OLEDs using highly aligned printed fiber arrays in large area. Use electrohydrodynamic nanowire printing (ONP) enables high-speed fabrication precise...

Back Cover: The electronic and photonic applications of electrospun organic nanofibers are reported, with a brief introduction about the principles, advantages, conditions electrospinning, specifically focusing on light-emitting diodes, photovoltaics, field-effect transistors, lasers, waveguides. representative studies for each field reviewed respect to materials performance. Further details can be found in article by H. Cho, S.-Y. Min, T.-W. Lee* page 475.