Assessment and development of novel transition metal oxide materials as a photovoltaic sensor

Ahmad M. Subahi; Jennifer A. Griffiths; Samjid Mannan; Jeffery Boardman; Paul Moir-Riches; Gary J. Royle

doi:10.1117/12.853745

13 May 2010 Assessment and development of novel transition metal oxide materials as a photovoltaic sensor

Ahmad M. Subahi, Jennifer A. Griffiths, Samjid Mannan, Jeffery Boardman, Paul Moir-Riches, Gary J. Royle

Proceedings Volume 7726, Optical Sensing and Detection; 77262E (2010) https://doi.org/10.1117/12.853745
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

Abstract

Transition Metal Oxides (TMOs) are being developed for applications in medical ionising radiation safety and dosimetry. These materials exhibit a variety of properties, which must be fully understood in order to fully utilise their potential as novel photovoltaic sensors. TMOs have semi-conducting properties, showing either n-type or p-type characteristics. Thus, p-n junction diodes can be built by combining specific TMOs. Moreover, the TMOs exhibit other highly useful properties: they function successfully as semiconductors at room temperature, and they are cheap and simple to manufacture compared to many other semiconductors. The sensor manufacturing process involves a flamespraying material deposition mechanism onto the substrate to form the sensor. This paper assesses the performance of the TMO materials and then addresses their possible applications after their full optimisation has been carried out. Analysis of the charge transport mechanism of the TMO sensors has been carried out with a view to improving their efficiency and signal-to-noise ratio. Further to this, analysis of the structure and properties of the TMOs has been carried out through electron microscopy. This analysis has indicated solutions to current

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Ahmad M. Subahi, Jennifer A. Griffiths, Samjid Mannan, Jeffery Boardman, Paul Moir-Riches, and Gary J. Royle "Assessment and development of novel transition metal oxide materials as a photovoltaic sensor", Proc. SPIE 7726, Optical Sensing and Detection, 77262E (13 May 2010); https://doi.org/10.1117/12.853745

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KEYWORDS

Time multiplexed optical shutter

Sensors

X-rays

Photons

Semiconductors

Electrodes

Manufacturing

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