Transparent Conductive Materials at the LMGP: Nanowire networks and oxides

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• Dr David Munoz-Rojas, Grenoble Institute of Technology
• Tuesday 16 February 2016, 14:30-15:30
• Kapitza Building Seminar Room, Cavendish Laboratory, Department of Physics.

If you have a question about this talk, please contact Stuart Higgins.

Transparent Conductive Materials (TCM) are key components in many optoelectronic devices such as photovoltaic cells, LEDs, Touch screens, while they are also used as defrosting coatings. In all these applications, the properties off the TCM need to be tuned in order to have the required combination of resistivity and transparency for every particular application.

At the LMGP we develop a research axis focusing on TCM which includes electrodes based on Ag nanowire networks, and both n-type and p-type transparent conductive oxides (TCO). Apart from tuning the transmittance and the transport properties of this electrodes, we have also developed a simple method to tune the haze factor (ratio between diffuse and total transmitted light) of fluorine doped tin oxide (FTO, an n-type TCO ). In my talk I will briefly introduce our research in TCM , illustrating it with some examples.

In addition, I will also introduce a new technique we are developing in the lab, namely, Spatial Atomic Layer Deposition (SALD). SALD is an emerging variation of conventional ALD in which the precursors are separated in space rather that in time. As a result, and while keeping the key assets offered by ALD , SALD is orders of magnitude faster and can operate at ambient pressure, thus being cheaper to scale up. During my talk I will explain the basic of this novel technique and will illustrate its potential to deposit active components for functional devices.

Finally, I will briefly present MOON , a unique instrument which can be used in-house as a CVD or ALD reactor and also coupled to the synchrotron to perform in situ growth studies including diffraction, fluorescence, substrate curvature, absorption and Raman spectrospcopies.

This talk is part of the Optoelectronics Group series.

This talk is included in these lists:

• All Cavendish Laboratory Seminars
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• Centre for Health Leadership and Enterprise
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• Kapitza Building Seminar Room, Cavendish Laboratory, Department of Physics
• ME Seminar
• Neurons, Fake News, DNA and your iPhone: The Mathematics of Information
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