Transparent metal oxides, in particular, indium tin oxide (ITO), are critical transparent contact materials for applications next-generation organic electronics, including light emitting diodes (OLEDs) and photovoltaics (OPVs). Understanding controlling the surface properties of ITO allows molecular engineering ITO–organic interface, resulting fine control interfacial chemistries electronics. In both energy matching work function compatibility at material interfaces can result marked...

Organic photovoltaics, which convert sunlight into electricity with thin films of organic semiconductors, have been the subject active research over past 20 years. The global energy challenge has greatly increased interest in this technology recent Low-temperature processing small molecules from vapor phase or polymers solution can confer semiconductors a critical advantage inorganic photovoltaic materials since high-temperature requirements latter limit range substrates on they be...

Electrochemical, chemiresistive and wearable sensors based on tin oxide (SnO 2 ) were investigated for chemical sensing applications. There is an increased usage of SnO as modifier electrode materials because its astonishing features thermal stability, biocompatibility, excellent bandgap, cost effective abundant availability. The surface working modified by nanomaterials in combination with various metals, semiconductors carbon derivatives improved performance. Various voltammetric...

The realm of wearable technology is continually growing.

We report on reversible changes of the work function (WF) values indium-tin-oxide (ITO) under prolonged ultraviolet (UV) and air exposure. The WF ITO is reduced from 4.7 eV to 4.2 by photon absorption in UV illumination or an mass 1.5 solar simulator (100 mW cm(-2)). Air oxygen exposure found increase (UV-exposed) a value 4.6 eV. These ITO's lead variations performance organic photovoltaic devices where acts primarily as electron collecting hole electrode. can be reflected disappearance (or...

The successful determination of vitamin B12 (VB12) was achieved by developing an electrochemical sensor that prepared the electrophoretic deposition Au–SnO2 nanoparticles on ITO substrate. Sol gel method used to synthesize SnO2 and nanoparticles. incorporation Au with verified various characterization studies include XRD, FESEM, EDX, TEM, UV–Vis, FTIR, Raman XPS. comparison performance Au–SnO2/ITO electrode done SnO2/ITO cyclic voltammetry (CV), differential pulse (DPV) impedance...

Abstract In this work, a human sweat-based wearable sensor for real-time glucose monitoring has been fabricated on cotton substrate after treating it with two-step polymerization of pyrrole. The pyrrole-treated fabric was coated solution copper sulphate pentahydrate to grow Cu layer. cotton/pyrrole/Cu treated the solutions acetate and manganese form Cu–Mn transition-metal alloy via electrochemical deposition technique. Results indicate that developed is reliable detection limit 125 µM 378...

Wearable sensing technology has quickly transformed from a science-fiction vision to real-life in various fields such as defense, medical sciences, aerospace technology, food tech, etc. devices are drawing attention the field they provide relevant information about people’s health real-time. These sensors flexible, cost-effective, and highly sensitive, which makes them favorable candidate for future technology. Despite being relatively small, frequently sense, collect, upload variety of...

Human sweat is one of the biomarker-rich fluids that contains important medical data which can be an factor in development sweat-based point-of-care health management devices. Alcohol interesting analyte as it reduces anxiety and improves or confidence. However, high consumption lead to increased crime, assault, car accidents short term, problems affecting various organs like pancreas, liver, etc. long term. The most common methods detecting alcohol are based on bodily such blood, urine,...

We herein report on the performance and improved stability of organic light-emitting diodes (OLEDs) in which transparent indium tin oxide (ITO) electrode is modified using surface modifiers based phosphonic acid anchoring groups. In contrast to air plasma treatment, a commonly used technique increase work function ITO, treatment ITO with partially fluorinated results comparable change but higher over time. The resultant lifetime OLEDs also increased when this was used.

We investigate the use of organic surface modifiers based on phosphonic acid anchoring groups that react with indium tin oxide (ITO) in order to modify its work function, energy, and charge injection multilayer electrophosphorescent devices. The modifiers, possessing different substituting groups, are found tune function ITO range 4.40–5.40 eV. These have been tested as an interfacial layer between anode hole transport layers (HTL) either processed from vapor phase or solution. this a...

We have investigated the contact-doping effect on high performance n-channel C60 organic field-effect transistors (OFETs) using air-stable rhodocene dimer as an n-type dopant. The average charge mobility improved from a value of 0.48 cm2/(Vs) in reference device to 1.65 for contact-doped devices with channel length 25 μm. operational stability OFETs under continuous stress bias was found similar devices.

We investigate the effects of surface modification indium tin oxide (ITO) on performance organic multilayer molecular photovoltaic devices based pentacene/C60 bi-layer heterojunctions. Values open-circuit voltage (Voc), short circuit current density (Jsc), fill factor (FF), and power conversion efficiency (η) are found invariant work function hydrophobicity ITO. Insensitivity these parameters to variations in range 4.50 5.40 eV achieved through use modifiers correlated with an invariance...

In this work, an economical method of electrochemical sensing for the detection Folic acid (FA) has been reported. A sol gel assisted hydrothermal technique was used to synthesize undoped, Ag doped and Pd-Ag co-doped, SnO2 nanoparticles. The structure, morphology, shape, chemical composition synthesized nanoparticles were confirmed by XRD, FESEM, TEM, FTIR, EDS spectroscopic techniques. Cyclic voltammetry (CV) Differential pulse (DPV) studies that Pd co-doped show significant competency in...