Topic
Indium tin oxide
About: Indium tin oxide is a research topic. Over the lifetime, 17857 publications have been published within this topic receiving 402127 citations. The topic is also known as: indium tin oxide.
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TL;DR: Single-layer graphene is used as an alternative flexible transparent conductor, yielding white organic light-emitting diodes with brightness and efficiency sufficient for general lighting and comparable to the most efficient lighting technologies.
Abstract: Indium tin oxide, the predominant material used as transparent electrodes in organic LEDs, is expensive and brittle. Ning Li and colleagues form transparent electrodes using single-layer graphene to construct organic LEDs with unprecedented performance that are suitable for both displays and lighting.
212 citations
TL;DR: In this article, the preparation of silicon-based visible light-emitting diodes, configured as heterojunctions between porous silicon (formed by electrochemical etching of p-type silicon wafers), and n-type indium tin oxide (ITO), was reported.
Abstract: We report the preparation of silicon‐based visible light‐emitting diodes, configured as heterojunctions between porous silicon (formed by electrochemical etching of p‐type silicon wafers), and n‐type indium tin oxide (ITO). The transparent ITO film allows light emission through the top surface of the device, under a forward electrical bias of several volts across the junction. Photogenerated currents are observed under reverse biases. A tentative model for this electroluminescence is presented, based on injection of minority carriers through a narrow interphase region into the porous silicon structure, where radiative recombination occurs.
212 citations
TL;DR: In this paper, the authors reported the enhanced performance of poly(3-hexylthiophene)/[6,6]-phenyl-C 61 butyric acid methyl ester (P3HT/PCBM) bulk heterojunction solar cells with wet deposited interfacial gold nanostructures on their indium tin oxide (ITO) surfaces.
211 citations
TL;DR: In this article, the authors report the influence of various surface treatments of indium-tin-oxide (ITO) anodes on the operational stability of high-efficiency (up to 8.2 lm/W) green-emitting poly(3,4-ethylene dioxythiophene), hole transport layer, a polyfluorene based emissive layer, and Ca-Al cathodes.
Abstract: We report the influence of various surface treatments of indium–tin–oxide (ITO) anodes on the operational stability of high-efficiency (up to 8.2 lm/W) green-emitting polymer light-emitting diodes (PLEDs), employing a doped poly(3,4-ethylene dioxythiophene), hole transport layer, a polyfluorene based emissive layer, and Ca–Al cathodes. The anodes were modified by physical (oxygen-plasma), chemical (aquaregia), and combined treatments. Oxygen plasma improves the stability under constant current with respect to all other anodes, with half-brightness (100 cd/m2) lifetimes two to five times longer than for untreated samples, and 1000 times longer than for aquaregia samples. We derive two major indications for optimization of PLEDs. First, thermal management of the diode is of the uppermost importance and there is significant scope for improvement. Second, the ITO anode and in general the electrical properties of the hole-injecting contact are crucial to device operation, even in the presence of a hole transpo...
209 citations
TL;DR: In this article, a PANI/tungsten oxide (WO3) nanocomposite was fabricated by electropolymerization of aniline monomers onto indium tin oxide (ITO) glass slides, which were prepared by spin coating technique and followed by annealing at 500 °C for 2 h.
Abstract: Polyaniline (PANI)/tungsten oxide (WO3) nanocomposite films were fabricated by electropolymerization of aniline monomers onto WO3 coated indium tin oxide (ITO) glass slides, which were prepared by spin coating technique and followed by annealing at 500 °C for 2 h. The morphology and crystalline structure of the composite films were studied using Fourier transform infrared (FT-IR) spectroscopy, atomic force microscopy (AFM), X-ray diffraction (XRD), and transmission electron microscopy (TEM). The results confirm chemical interactions between the polymer matrix and the WO3 particles and reveal a well crystallized PANI/WO3 nanocomposite structure. The optical properties and electrochemical capacitive behaviors of the composite films for electrochromic (EC) and energy storage devices applications were investigated using spectroelectrochemistry (SEC), cyclic voltammetry (CV) and galvanostatic charge–discharge measurements. The composite films show dual electrochromism at both positive and negative potentials a...
208 citations