Abstract A soluble graphene, which has a one‐atom thickness and two‐dimensional structure, is blended with poly(3‐hexylthiophene) (P3HT) used as the active layer in bulk heterojunction (BHJ) polymer photovoltaic cells. Adding graphene to P3HT induces great quenching of photoluminescence P3HT, indicating strong electron/energy transfer from graphene. In devices an ITO/PEDOT:PSS/P3HT:graphene/LiF/Al device efficiency increases first then decreases increase content. The containing only 10 wt %...

It is a great challenge to substantially improve the practical performance of flexible thermoelectric modules due absence air-stable n-type materials with high-power factor. Here an excellent film developed, which can be conveniently and rapidly prepared based on as-grown carbon nanotube continuous networks high conductivity. The optimum exhibits ultrahigh power factor ∼1,500 μW m-1 K-2 outstanding stability in air without encapsulation. Inspired by findings, we design successfully fabricate...

A simple and effective strategy for designing ratiometric fluorescent nanosensor has been described in this work. carbon dots (CDs) based dual-emission Cu(2+) detection was prepared by coating CDs on the surface of Rhodamine B-doped silica nanoparticles. The were synthesized using N-(β-aminoethyl)-γ-aminopropyl methyldimethoxysilane (AEAPMS) as main raw material, so that residual ethylenediamine groups methoxysilane can serve recognition sites silylation reaction groups. obtained showed...

Transition metal phosphides (TMPs) have recently emerged as an important type of electrode material for use in supercapacitors thanks to their intrinsically outstanding specific capacity and high electrical conductivity. Herein, we report the synthesis bimetallic CoxNi1–xP ultrafine nanocrystals supported on carbon nanofibers (CoxNi1–xP/CNF) explore positive materials asymmetric supercapacitors. We find that Co:Ni ratio has a significant impact capacitance/capacity CoxNi1–xP/CNF,...

High-efficiency blue CdSe/ZnS quantum dots (QDs) have been synthesized for display application with emission peak over 460 nm the purpose of reducing harmful effect short-wavelength light to human eyes. To reach a better charge balance, different size ZnO nanoparticles (NPs) were and electrical properties NPs analyzed. Quantum dot light-emitting diodes (QLEDs) based on as-prepared QDs optimized successfully fabricated. Using small-size NPs, we obtained maximum current efficiency (CE) 14.1 cd...

Thorium separation has recently become a hot topic because of the potential application thorium as future nuclear fuel, while metal-organic framework (MOF) materials have received much attention in field due to their unique properties. Herein, highly porous and stable MOF, UiO-66, its carboxyl derivatives (UiO-66-COOH UiO-66-(COOH)2) were synthesized explored for first time Th(IV) capture from weak acidic solution. Although introduction groups into UiO-66 leads an obvious decrease surface...

Luminescence clusters composed of organic ligands and metals have gained significant interests as scintillators owing to their great potential in high X-ray absorption, customizable radioluminescence, solution processability at low temperatures. However, luminescence efficiency is primarily governed by the competition between radiative states from nonradiative cluster-centered charge transfer. Here we report that a class Cu4I4 cubes exhibit highly emissive radioluminescence response...

Ga2O3 photodetectors with interdigitated electrodes have been designed and fabricated, the area exposed to illumination acts as active layer of photodetector, while covered by Au interdigital electrode provide an arena for carrier multiplication. The show a maximum responsivity at around 255 nm cutoff wavelength 260 nm, which lies in solar-blind region. photodetector reaches 17 A/W when bias voltage is 20 V, corresponds quantum efficiency 8228%, amongst best value ever reported film based...

In this paper, we describe a turn-on fluorescent probe for Zn(2+) and Cd(2+) ion detection discrimination. This probe, N'-bis-(N,N-di-(2-pyridylmethyl)-ethane-1,2-diamine)-perylene-3,4,9,10-tetracarboxylic-diimide (PDI-DIDPA), exhibits very low fluorescence at pH above 6.0 due to the photo-induced electron transfer (PET) process from 2-pyridylmethyl-amine (DPA) perylene tetracarboxylic diimide (PDI). can chelate PDI-DIDPA form stable complex 6.0-7.0 9.0 respectively, inhibit PET process,...

Vertical CuS and Cu_1.8S nanosheet arrays directly grown on conductive substrates were developed <italic>via</italic> a seed-assisted solvothermal process. Upon QDSSC application, these novel structure-based counter electrodes exhibited superior performance compared to conventional Pt electrodes.

Transparent electrodes with a dielectric–metal–dielectric (DMD) structure can be implemented in simple manufacturing process and have good optical electrical properties. In this study, nickel oxide (NiO) is introduced into the DMD as more appropriate dielectric material that has high conduction band for electron blocking low valence efficient hole transport. The indium-free NiO/Ag/NiO (NAN) transparent electrode exhibits an adjustable transmittance of ∼82% combined sheet resistance ∼7.6...

Although metal halide perovskites are increasingly popular for the next generation of efficient photovoltaic devices, inevitable defects from preparation process have become notorious barrier to further improvement performance, which increases non‐radiative recombination and lowers power conversion efficiency solar cells. Surface passivation strategies been affirmed as one most practical approaches suppress these defects. Therefore, it is necessary a detailed review on surface reveal...

Abstract Two‐dimensional Ruddlesden−Popper (2DRP) perovskites have attracted intense research interest for optoelectronic applications, due to their tunable properties and better environmental stability than three‐dimensional counterparts. Furthermore, high‐performance photodetectors based on single‐crystal polycrystalline thin‐films 2DRP shown great potential practical application. However, the complex growth process of membranes uncontrollable phase distribution films hinder further...

Abstract Owing to their remarkable and adjustable optoelectronic properties, halide perovskites (HPs) have been regarded as a class of promising materials for various applications based on different energy conversion reactions, including photovoltaic cell, photocatalysis, electrocatalysis, photoelectrochemical (PEC) systems. However, the low stability HPs upon exposure ambient conditions (e.g., water, heat, light, electricity) greatly hinders practical HPs. In past few years, significant...

Abstract X‐ray flat‐panel detectors are widely used for nondestructive detection of internal information in medical radiography and industrial applications. However, a persisting challenge is the application on highly curved 3D objects to realize flexibility storage fabrication flexible large‐area detectors. This study demonstrates halide‐based double perovskite Cs 2 Na 0.9 Ag 0.1 LuCl 6 :Dy 3+ by hydrothermal reaction. The as‐prepared crystals exhibit afterglow features through co‐doping...

Abstract Transparent electrodes are essential components for optoelectronic devices, such as touch panels, organic light-emitting diodes and solar cells. Indium tin oxide (ITO) is widely used transparent electrode in devices. ITO has high transparency low resistance but contains expensive rare elements ITO-based devices have poor mechanical flexibility. Therefore, alternative with excellent opto-electrical performance flexibility will be greatly demanded. Here, organics introduced into...

A preorganized tetradentate phenanthrolineamide (DAPhen) ligand with hard and soft donors combined in the same molecule has been found to possess high extraction ability toward actinides over lanthanides from acidic aqueous solution our previous work. Herein we grafted groups onto a large-pore three-dimensional cubic silica support by reaction of DAPhen siloxane KIT-6 substrate prepare novel uranium-selective sorbent, KIT-6-DAPhen. The as-synthesized sorbent was well-characterized scanning...

A novel photoelectrochemical sensor has been designed with polyaniline–reduced graphene oxide–titanium dioxide, which was further applied to sense gallic acid and exhibited extraordinary rapid response, high sensitivity excellent anti-inference. Meanwhile, the mechanism elaborately explored.

Dielectric–metal–dielectric (DMD) trilayer films, served as both electrochromic (EC) film and transparent conductor (TC), have exhibited great potential application in low–cost, ITO–free devices (ECDs). However, recent reports on the DMD–based ECDs revealed that response time optical modulation properties were not very satisfactory. Here, mixed MoO3–WO3 materials first introduced dielectric layer to construct an EC–TC bifunctional MoO3–WO3/Ag/MoO3–WO3 (MWAMW) film, which demonstrates strong...

The three-dimensional, high-porous, and oriented WO3 nanocolumn film with broadband antireflective high-performance flexible electrochromic dual-functionalities is achieved by utilizing a simple, one-step, room-temperature glancing angle deposition without any catalysts templates. It found that the effective in increasing optical transparency visible range, enhancing color-switching response time as well improving mechanical flexibility electrochemical cycling stability comparison to dense...