Dr. Robert W. Collins Profile

Dr. Robert W. Collins

Co-Direcotr of PVIC at Univ of Toledo

SPIE Involvement:

Author

Publications (4)

Proceedings Article | 3 March 2020 Paper

Non-contacting optical probing of photovoltaic device performance

Indra Subedi, Biwas Subedi, Prakash Uprety, Maxwell Junda, Dipendra Adhikari, Kiran Ghimire, Prakash Koirala, Robert Collins, Yanfa Yan, Nikolas Podraza

Proceedings Volume 11275, 112750J (2020) https://doi.org/10.1117/12.2550866

KEYWORDS: External quantum efficiency, Solar cells, Photovoltaics, Silicon, Perovskite, Absorption, Optical properties, Wafer-level optics, Thin films

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Proceedings Article | 21 February 2012 Paper

Spectroscopic ellipsometry: metrology for photovoltaics from the nanoscale to gigawatts

Sylvain Marsillac, Robert Collins

Proceedings Volume 8256, 825613 (2012) https://doi.org/10.1117/12.909628

KEYWORDS: Dielectrics, Thin films, Cadmium sulfide, Photovoltaics, Solar cells, Copper indium gallium selenide, Solar energy, Thin film solar cells, Crystals, Surface roughness

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SPIE Journal Paper | 1 December 2008

Analysis of the optical properties and structure of serial bi-deposited TiO2 chiral sculptured thin films using Mueller matrix ellipsometry

Nikolas Podraza, Sean Pursel, Chi Chen, Mark Horn, Robert Collins

JNP, Vol. 2, Issue 01, 021930, (December 2008) https://doi.org/10.1117/12.10.1117/1.3062210

KEYWORDS: Refraction, Thin films, Polarization, Optical properties, Transmittance, Picosecond phenomena, Mueller matrices, Ellipsometry, Spectroscopy, Titanium dioxide

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Proceedings Article | 3 October 2007 Paper

Analysis and optimization of thin film photovoltaic materials and device fabrication by real time spectroscopic ellipsometry

Jian Li, Jason Stoke, Nikolas Podraza, Deepak Sainju, Anuja Parikh, Xinmin Cao, Himal Khatri, Nicolas Barreau, Sylvain Marsillac, Xunming Deng, Robert Collins

Proceedings Volume 6651, 665107 (2007) https://doi.org/10.1117/12.736362

KEYWORDS: Cadmium sulfide, Silicon, Solar cells, Germanium, Thin films, Plasma enhanced chemical vapor deposition, Molybdenum, Dielectrics, Copper indium gallium selenide, Interfaces

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Conference Committee Involvement (2)

Photovoltaic Cell and Module Technologies II

10 August 2008 | San Diego, California, United States

Photovoltaic Cell and Module Technologies

27 August 2007 | San Diego, California, United States

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