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Showing 1 to 12 of 12 for “"Transparent conducting oxides"”.
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Understanding the oxidation and reduction process in transparent conducting oxides
Transparent conductors play important roles in many optoelectronic devices such as LEDs, thin film solar cells, and smart windows through their ability to efficiently transport both photons and electrons. Simultaneous requirements of a wide band gap, high free carrier concentration, and high …
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Plasmonic devices based on transparent conducting oxides for near infrared applications
… As most promising alternative to noble metals, transparent conducting oxides (TCOs) have been proposed as a promising new class of plasmonic materials for the IR applications. The main objective of the thesis is to explore the various plasmonic devices based on TCOs in order to evaluate the …
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Synthesis and characterization of transparent conducting oxides for Stark e ect applications in single molecule spectroscopy
The desire to study the characteristics of transparent conducting oxides (TCOs) for Stark application in single molecule spectroscopy (SMS) stemmed from our interest in the dark states of light harvesting complex II (LHCII) of plants. Investigation of this mechanism requires a Stark cell. The high …
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A Platform for Practical Nanophotonic Systems Nitrides and Oxides for Integrated Plasmonic Devices
… namely the transition metal nitrides and the transparent conducting oxides. Through this research, we have explored the nonlinear optical properties of thin films, demonstrating unique and ultrafast dynamic response, and have designed and realized high performance integrated plasmonic devices. …
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Graphene as transparent electrodes for solar cells
… chemical vapor deposition (CVD) graphene as the transparent conductor in photovoltaic devices. Transparent conducting oxides currently dominate the transparent conductor market but suffer drawbacks that make them unsuitable certain applications. Graphene is mechanically robust, chemically inert, …
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Materials discovery using in situ reduction and X-ray diffraction
… are performed in order to search for new p-type transparent conducting oxides. In the Fe-S system, in situ reduction is used to solve a highly debated question of whether or not pyrite FeS2 is a non-stoichiometric compound and to quantify the possible extent of non-stoichiometry.
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Anti-reflection zinc oxide nanocones for higher efficiency thin-film silicon solar cells
… the interface between the thin film cell's top Transparent Conducting Oxide (TCO) and the light absorbing silicon. In this work, we demonstrate the use of nanocone textured ZnO as the anti-reflection surface that mitigates this problem. The tapered structure of the nanocone forms a smooth …
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Properties of Amorphous Transparent Conducting and Semiconducting Oxides from First Principles
<p>"Amorphous transparent conducting and semiconducting oxides possess properties superior or comparable to their crystalline counterparts. The structure-property relationship in amorphous oxides is not nearly as well understood as in the case of the crystalline transparent conducting oxides. We …
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Development of hybrid inorganic-organic light-emitting devices with metal oxide charge transport layers
… films showed promising materials for alternate transparent conducting oxides and electron transport layer (ETL) functions. Similarly, thin films of thermally evaporated tungsten oxide (WO 3) were prepared and their optical and electrical properties were studied and evaluated as a hole transport …
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Atomic layer deposition of metal oxides for photovoltaic applications
… (ITO) is the commercial standard for use as the transparent conducting oxide (TCO) in perovskite solar cells. Although ITO has low sheet resistance values (8-100 Ω/□) the material is deposited using sputtering methods and undergoes high temperature (>400⁰C) heat treatments. When incorporating …