Energy Programs & Projects | |
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Nanostructures for Energy Conversion
Last Updated Date: 07/10/2012 Electrochemical systems containing nanostructured materials are increasingly being incorporated into devices for efficiently harvesting, … more
Optoelectrical Characterization of Nanostructured Photovoltaic Materials and Devices
Last Updated Date: 07/10/2012 Photovoltaics technology is usually categorized into three generations: 1) devices based on polysilicon; 2) devices based on thin-film direct … more
Nanoscale Functional and Structural Characterization of Thin-Film Inorganic Solar Cells
Last Updated Date: 07/10/2012 Large-scale implementation of solar power generation requires photovoltaic (PV) devices with efficiency-to-cost ratios better than existing … more
Nanostructured Thermoelectrics
Last Updated Date: 07/09/2012 Thermoelectrics are materials that can reversibly convert a temperature difference across the material into electricity. As a renewable technology, … more
Absolute Ag108 Characterization Based on Gamma-Gamma Coincident Detection by Two Nai (TI) Detectors
Last Updated Date: 06/27/2012 A two-dimensional analysis of three coincident gamma-rays in 108 Ag m decay, detected by two NaI(Tl) scintillation detectors, allows a direct … more
Quantification of the Alpha Wall Effect in Liquid Scintillation Counting
Last Updated Date: 06/27/2012 A long-standing uncertainty in liquid scintillation (LS) counting has been the possible loss of counting efficiency. more
Primary Radioactivity Standardization of Ni-63
Last Updated Date: 06/27/2012 Ni-63 is of considerable interest and importance in radionuclidic metrology as well as for radiation protection surveillance around nuclear … more
Components of Variance in Liquid Scintillation Counting
Last Updated Date: 06/27/2012 As part of the standardization of the 239 Pu solution that was disseminated by NIST as Standard Reference Material (SRM) 4330C, a detailed study … more
Test and Evaluation Protocols for ANSI/IEEE N42 Standards
Last Updated Date: 06/27/2012 The purpose of these test and evaluation protocols is to provide additional information to the published ANSI/IEEE N42 series for homeland … more
Radon Binding to Water-Soluble Cryptophane
Last Updated Date: 06/27/2012 Collaboration on investigating the thermodynamics of radon binding with a new and novel class of cryptophane molecules is currently underway with … more
New Statistical Analysis Tools
Last Updated Date: 06/27/2012 Members of the Radioactivity Group (RG) have been actively collaborating with statisticians in the NIST Statistical Engineering Division to … more
Technetium-99m Primary Standardization and International Comparison
Last Updated Date: 06/27/2012 Technetium-99m ( 99m Tc) is used in two-thirds of all diagnostic nuclear medicine procedures in the United States. more
International Comparison of Pu-241
Last Updated Date: 06/27/2012 All of the plutonium isotopes, which have a very high biotoxicity, are man-made and result from various nuclear activities. Plutonium-241 is a … more
Blind Measurement Comparisons of the USA and UK Pb-210 National Standards
Last Updated Date: 06/27/2012 The National Institute of Standards and Technology (NIST), Radioactivity Group, and the National Physical Laboratory (NPL) of the UK, and the … more
New Standardization of Ra-228
Last Updated Date: 06/27/2012 Measurements of radium isotopes in the naturally-occurring radioactive decay chains (i.e., 235 U, 238 U, and 232 Th) are exceedingly important for … more |
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