Dr. Garry Rumbles Profile

Dr. Garry Rumbles

Research Fellow at National Renewable Energy Lab

SPIE Involvement:

Author

Proceedings Article | 30 September 2024 Presentation

When energy transfer kills free charge generation

Obadiah Reid, Joshua Carr, Garry Rumbles, Melissa Gish

Proceedings Volume 13123, 131230U (2024) https://doi.org/10.1117/12.3028411

KEYWORDS: Energy transfer, Time resolved spectroscopy, Spectroscopy, Solar energy, Photoluminescence, Organic photovoltaics, Molecules, Microwave radiation, Matrices, Light absorption

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Proceedings Article | 30 September 2024 Presentation

Distributed-range electron transfer in organic semiconductors

Obadiah Reid, Joshua Carr, Leo Romanetz, Garry Rumbles

Proceedings Volume PC13127, PC1312706 (2024) https://doi.org/10.1117/12.3028378

KEYWORDS: Organic semiconductors, Organic photovoltaics, Time resolved spectroscopy, Spectroscopy, Solid state physics, Solar energy, Photoluminescence, Microwave radiation, Magnetism, Light absorption

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Proceedings Article | 30 September 2024 Poster

Driving force controls charge separation distance in solid state organic donor/acceptors

Leo Romanetz, Melissa Gish, Joshua Carr, Garry Rumbles, Obadiah Reid

Proceedings Volume PC13127, PC131270U (2024) https://doi.org/10.1117/12.3028219

KEYWORDS: Light absorption, Magnetic resonance imaging, Magnetism, Spectroscopy, Thin films, Temperature metrology, Organic semiconductors, Organic electronics, Molecules, Molecular spectroscopy

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Proceedings Article | 3 October 2022 Presentation

Distributed-range Marcus electron transfer in organic photovoltaic (OPV) systems

Obadiah Reid, Joshua Carr, Taylor Allen, Garry Rumbles

Proceedings Volume PC12209, PC122090J (2022) https://doi.org/10.1117/12.2637192

KEYWORDS: Organic photovoltaics, Data modeling, Solar energy, Modulation, Materials science, Chemistry

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Proceedings Article | 5 October 2015 Presentation

The helical nanofilament phase as a host for creation of aligned, nanostructured composites (Presentation Recording)

David Walba, Rebecca Callahan, Eva Korblova, Dong Chen, Yongqiang Shen, Michael Tuchband, Eric Carlson, Hanim Kim, Garry Rumbles, Sean Shaheen, Dong Ki Yoon, Noel Clark

Proceedings Volume 9565, 95650Z (2015) https://doi.org/10.1117/12.2189091

KEYWORDS: Composites, Nanostructuring, Liquid crystals, Polarized microscopy, Microscopy, Microfluidics, Photovoltaics, Organic semiconductors, Nanostructures, Renewable energy

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Proceedings Article | 5 October 2015 Presentation

Singlet-based photon upconversion in multichromophore organic thin films (Presentation Recording)

Daniel Weingarten, Michael LaCount, Garry Rumbles, Jao van de Lagemaat, Mark Lusk, Sean Shaheen

Proceedings Volume 9562, 95620C (2015) https://doi.org/10.1117/12.2188991

KEYWORDS: Upconversion, Luminescence, Thin films, Solar energy, Rhodamine, Molecules, Mining, Photonics, Biomedical optics, Molecular aggregates

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Proceedings Article | 5 October 2015 Presentation

Photo-induced electron transfer processes in doped conjugated polymer films (Presentation Recording)

Garry Rumbles, Obadiah Reid, Jaehong Park, Jessica Ramirez, Hilary Marsh, Tyler Clikeman

Proceedings Volume 9549, 95490I (2015) https://doi.org/10.1117/12.2187688

KEYWORDS: Polymers, Polymer thin films, Fullerenes, Interfaces, Renewable energy, Heterojunctions, Organic photovoltaics, Solar cells, Solid state physics, Doping

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Proceedings Article | 20 August 2015 Presentation + Paper

Photo-induced carrier generation and recombination dynamics probed by combining time-resolved microwave conductivity and transient absorption spectroscopy

Jaehong Park, Obadiah Reid, Garry Rumbles

Proceedings Volume 9549, 95490O (2015) https://doi.org/10.1117/12.2186340

KEYWORDS: Picosecond phenomena, Absorption, Excitons, Interfaces, Microwave radiation, Thin films, Absorption spectroscopy, Spectroscopy, Solids, Solar energy

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Proceedings Article | 20 August 2015 Paper

Singlet, triplet, electron and hole transport along single polymer chains

Matthew Bird, Gina Mauro, Lori Zaikowski, Xiang Li, Obadiah Reid, Brianne Karten, Sadayuki Asaoka, Hung-Cheng Chen, Andrew Cook, Garry Rumbles, John Miller

Proceedings Volume 9549, 95490E (2015) https://doi.org/10.1117/12.2188873

KEYWORDS: Polymers, Diffusion, Excitons, Luminescence, Absorption, Microwave radiation, Electron transport, Polymer thin films, Solar energy, Ions

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SPIE Journal Paper | 6 April 2015 Open Access

Special Section Guest Editorial: Hybrid Organic-Inorganic Solar Cells

Ana Flavia Nogueira, Garry Rumbles

JPE, Vol. 5, Issue 01, 057401, (April 2015) https://doi.org/10.1117/12.10.1117/1.JPE.5.057401

KEYWORDS: Solar cells, Chemistry, Renewable energy, Dye sensitized solar cells, Heterojunctions, Quantum dots, Solar energy, Biochemistry, Scientific research, Polymers

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SPIE Journal Paper | 24 March 2015

Improved power conversion efficiency for bulk heterojunction solar cells incorporating CdTe-CdSe nanoheterostructure acceptors and a conjugated polymer donor

Smita Dayal, Haizheng Zhong, Nikos Kopidakis, Gregory Scholes, Garry Rumbles

JPE, Vol. 5, Issue 01, 057409, (March 2015) https://doi.org/10.1117/12.10.1117/1.JPE.5.057409

KEYWORDS: Polymers, Solar cells, Heterojunctions, Composites, Electron transport, Energy efficiency, Photovoltaics, Nanoparticles, Absorption, Solar energy

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Proceedings Article | 4 October 2005 Paper

Exciton dynamics and device performance in polythiophene heterojunctions for photovoltaics

Stephanie Chasteen, Sue Carter, Garry Rumbles

Proceedings Volume 5938, 59380J (2005) https://doi.org/10.1117/12.614243

KEYWORDS: Luminescence, Polymers, Excitons, Absorption, Heterojunctions, Nanoparticles, Polarons, Photovoltaics, Electrons, Crystals

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Proceedings Article | 18 August 2005 Paper

Effect of removal and change of surfactant upon the photoluminescence of carbon nanotubes

Timothy McDonald, Chaiwat Engtrakul, Marcus Jones, Jeffrey Blackburn, Garry Rumbles, Michael Heben

Proceedings Volume 5929, 59290W (2005) https://doi.org/10.1117/12.617481

KEYWORDS: Single walled carbon nanotubes, Luminescence, Carbon, Dielectrics, Spectroscopy, Molecules, Mass spectrometry, Excitons, Carbon nanotubes, Oxidation

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Proceedings Article | 14 October 2004 Paper

Investigation of novel quantum dots/proteins/cellulose bioconjugate using NSOM and photoluminescence

Peng Zhang, Shi-You Ding, Qi Xu, Steve Smith, Garry Rumbles, Michael Himmel

Proceedings Volume 5513, (2004) https://doi.org/10.1117/12.560231

KEYWORDS: Near field scanning optical microscopy, Proteins, Quantum dots, Spectroscopy, Near field, Sensors, Polymers, Near field optics, Luminescence, Avalanche photodetectors

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Proceedings Article | 6 February 2004 Paper

The effects of processing conditions on polymer photovoltaic device performance

Alison Breeze, Garry Rumbles, Brian Gregg, David Ginley

Proceedings Volume 5215, (2004) https://doi.org/10.1117/12.531846

KEYWORDS: Polymers, Absorption, Polymer thin films, Photovoltaics, Annealing, Solar cells, Heterojunctions, Organic photovoltaics, Excitons, Gold

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Proceedings Article | 17 December 1999 Paper

Photoluminescence studies of the light-emitting species in new materials for polymer devices

Garry Rumbles, P. Miller, M. deSouza, I. Gould, H. Amer, D. Russell, Andrew Holmes, Stephen Moratti, Ifor Samuel

Proceedings Volume 3797, (1999) https://doi.org/10.1117/12.372701

KEYWORDS: Polymers, Absorption, Thin films, Polymer thin films, Luminescence, Quantum efficiency, Data modeling, Chemistry, Spectroscopy, Dielectrics

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Proceedings Article | 1 December 1997 Paper

Photoluminescence in poly(3-hexylthiophene)

Ifor Samuel, Laura Magnani, Garry Rumbles, Ken Murray, Bradley Stone, Stephen Moratti, Andrew Holmes

Proceedings Volume 3145, (1997) https://doi.org/10.1117/12.279277

KEYWORDS: Quantum efficiency, Polymers, Absorption, Thin films, Luminescence, Picosecond phenomena, Excitons, Molecules, Excimers, Polymer thin films

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Showing 5 of 17 publications

SPIE Conference Volume | 21 August 2008

Physical Chemistry of Interfaces and Nanomaterials VII

SPIE Conference Volume | 5 September 2007

Physical Chemistry of Interfaces and Nanomaterials VI

Conference Committee Involvement (2)

Physical Chemistry of Interfaces and Nanomaterials VII

11 August 2008 | San Diego, California, United States

Physical Chemistry of Interfaces and Nanomaterials VI

26 August 2007 | San Diego, California, United States

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