SSLS EFRC

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III-Nitride core-shell nanowire arrayed solar cells

In a new EFRC-supported publication titled “III-nitride core-shell nanowire arrayed solar cells” published in Nanotechnology, EFRC scientists Jonathan J. Wierer, Qiming Li, Daniel D. Koleske, and George T. Wang and Sandia National Laboratories scientist Stephen R. Lee present their work on a unique hybrid nanowire structure. The article established that this structure served a dual purpose, [...]

By | 2016-12-02T18:49:15+00:00 April 27th, 2012|Energy, Energy Efficiency, News, News & Events, Solid-State Lighting|Comments Off on III-Nitride core-shell nanowire arrayed solar cells

Take Our Daughters and Sons to Work Day 2012

The Solid-State Lighting Science Energy Frontier Research Center (SSLS EFRC) participated in Sandia National Laboratories’ “Take our Daughters and Sons to Work Day” on April 26th.  Both students and parents were actively engaged in a series of “Coloring Your World” exhibits. One such display included a hands-on exhibit on solid-state lighting that illustrated the differences [...]

By | 2016-12-02T18:49:15+00:00 April 26th, 2012|News, News & Events, Solid-State Lighting|Comments Off on Take Our Daughters and Sons to Work Day 2012

Using the kinetic Wulff plot to design and control nonpolar and semipolar GaN heteroepitaxy

The Solid-State Lighting Science (SSLS) Energy Frontier Research Center (EFRC) Director, Dr. Michael E. Coltrin, recently collaborated with colleagues from the Department of Electrical Engineering at Yale University on a publicationin Semiconductor Science and Technology titled “Using the kinetic Wulff plot to design and control nonpolar and semipolar GaN heteroepitaxy”. The article investigates GaN faceted [...]

By | 2016-12-02T18:49:17+00:00 January 19th, 2012|Energy, Energy Efficiency, Events, News & Events, Solid-State Lighting|Comments Off on Using the kinetic Wulff plot to design and control nonpolar and semipolar GaN heteroepitaxy

Introduction of Prof. David Kelley and UC Merced to SSLS

It is our pleasure to announce the addition of Professor David Kelley as a Senior Investigator in the Solid-State Lighting Science EFRC. He is a Professor and Founding Member of the Chemistry and Chemical Biology Department at the University of California at Merced. Professor Kelley and his research group are world leaders in synthesis and [...]

By | 2016-12-02T18:49:17+00:00 January 11th, 2012|Energy Efficiency, News, News & Events, Partnership, Solid-State Lighting|Comments Off on Introduction of Prof. David Kelley and UC Merced to SSLS

Introduction of Prof. Jim Speck and UCSB to SSLS

We are pleased to announce the addition of Professor Jim Speck of the University of California at Santa Barbara (UCSB) as a member of the Solid-State Lighting Science EFRC. Jim has developed a collaboration with SSLS scientist Andy Armstrong using deep level optical spectroscopy to investigate defects in the m-plane GaN. Jim is a professor [...]

By | 2016-12-02T18:49:17+00:00 January 11th, 2012|Energy, Energy Efficiency, News, News & Events, Partnership, Solid-State Lighting|Comments Off on Introduction of Prof. Jim Speck and UCSB to SSLS

Genetic Algorithm for Innovative Device Designs in High-Efficiency III-V Nitride Light-Emitting Diodes

EFRC scientists from Fred Schubert’s research group at RPI and at Sandia Labs have published a new paper titled “Genetic Algorithm for Innovative Device Designs in High-Efficiency III-V Nitride Light-Emitting Diodes” in the journal Applied Physics Express.  The work is a starting point of applying artificial evolution to practical semiconductor devices, open new perspectives for [...]

By | 2016-12-02T18:49:18+00:00 January 5th, 2012|Energy, Energy Efficiency, News, News & Events, Solid-State Lighting|Comments Off on Genetic Algorithm for Innovative Device Designs in High-Efficiency III-V Nitride Light-Emitting Diodes

Announcing Dr. Michael E. Coltrin as New Director of the SSLS EFRC

We are extremely pleased to announce the appointment of Dr. Michael E. Coltrin as the new Director of Sandia's Solid-State Lighting Science (SSLS) Energy Frontier Research Center (EFRC). Mike has had a long and distinguished career advancing the science underlaying chemically reacting fluid flow, and in applying that science to solve practical problems in the [...]

By | 2016-12-02T18:49:18+00:00 December 1st, 2011|Energy Efficiency, Events, News, News & Events, Solid-State Lighting|Comments Off on Announcing Dr. Michael E. Coltrin as New Director of the SSLS EFRC

Optical performance of top-down fabricated InGaN/GaN nanorod light emitting diode arrays

EFRC researchers from Sandia recently published an article titled "Optical performance of top-down fabricated InGaN/GaN nanorod light emitting diode arrays" in Optics Express. This paper details the development of a two-step top-down process for creating nanorod LED arrays. Abstract: Vertically aligned InGaN/GaN nanorod light emitting diode (LED) arrays were created from planar LED structures using [...]

By | 2016-12-02T18:49:18+00:00 November 30th, 2011|Energy, Energy Efficiency, Solid-State Lighting|Comments Off on Optical performance of top-down fabricated InGaN/GaN nanorod light emitting diode arrays