Energy Efficiency

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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

Experimental Smart Outlet Brings Flexibility, Resiliency to Grid Architecture

Sandia National Laboratories has developed an experimental “smart outlet” that autonomously measures, monitors and controls electrical loads with no connection to a centralized computer or system. The goal of the smart outlet and similar innovations is to make the power grid more distributed and intelligent, capable of reconfiguring itself as conditions change. Decentralizing [...]

By | 2016-12-02T18:49:16+00:00 March 7th, 2012|Energy, Energy Assurance, Energy Efficiency, Energy Surety, Grid Integration, Microgrid, News, News & Events, Renewable Energy, SMART Grid|Comments Off on Experimental Smart Outlet Brings Flexibility, Resiliency to Grid Architecture

Sandia Participates in the ARPA-E 2012 Energy Innovation Summit

Sandia has more than a dozen scientists and managers attending and participating in the ARPA-E summit's sessions and events. A recent highlight was the on-stage discussion between Energy Secretary Stephen Chu and Bill Gates, who is now involved in several energy innovation ventures, on how America can meet and prosper from 21st century [...]

By | 2016-12-02T18:49:16+00:00 February 29th, 2012|Energy, Energy Assurance, Energy Efficiency, Energy Storage Systems, Energy Surety, Global Climate & Energy, Infrastructure Security, News, News & Events, Nuclear Energy, Photovoltaic, Renewable Energy, Solar, Transportation Energy, Wind Energy|Comments Off on Sandia Participates in the ARPA-E 2012 Energy Innovation Summit

Assessment of deep level defects in m-plane GaN grown by metalorganic chemical vapor deposition

Through the publication titled, “Assessment of deep level defects in m-plane GaN grown by metalorganic chemical vapor deposition”published in the Applied Physics Letters, EFRC scientists examine how spontaneous polarization and strain-induced piezoelectric polarization generate strong internal electric fields in gallium nitride (GaN). Abstract: We report on deep level defect incorporation in n-type m-plane (10 0) [...]

By | 2016-12-16T21:15:48+00:00 February 22nd, 2012|Energy Efficiency, News, News & Events, Solid-State Lighting|Comments Off on Assessment of deep level defects in m-plane GaN grown by metalorganic chemical vapor deposition

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

Vermont and Sandia National Laboratories Announce Energy Research Center

Vermont—a leader in energy efficiency and deployment of so-called smart-grid technology—will become home to a $15 million national energy research project, officials announced Monday. The Center for Energy Transformation and Innovation will be housed at the University of Vermont. The three-year project is a partnership among the state of Vermont, Sandia National Laboratories [...]

By | 2016-12-02T18:49:18+00:00 December 20th, 2011|Energy Efficiency, Grid Integration, Microgrid, Modeling & Analysis, News, Partnership, SMART Grid|Comments Off on Vermont and Sandia National Laboratories Announce Energy Research Center

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