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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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DOE OSTI2013

Summary Report: INL CDCIS Cask Scanner Testing at Doel, Belgium

In October and November 2012 the INL Compton Dry-Cask Imaging Scanner (CDCIS) was packaged and transported to the Doel Nuclear Power Plant near Antwerp, Belgium to perform a series of measurements on spent fuel storage casks. The task was performed in support of the DOE/NNSA NA-241 IAEA request 09/TAU-10 Restoration of CoK of LWR Fuel Assemblies by Gamma Scanning from the Top of Casks. The purpose of the measurements was to determine whether the system could by passive detection of the gamma rays being emitted by the contained spent fuel, confirm the presence or absence of the nuclear fuel bundles in a known, verified dry storage cask. If successful, the system, would be used to confirm the presence of the nuclear fuel bundles on four casks in storage that had lost continuity of knowledge due to problems verifying the status of the casks’ Tamper Indicating Device (TID) seals.

98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL P↗

DOE OSTI2019

Zinc Thiolate Enables Bright Cu‐Deficient Cu‐In‐S/ZnS Quantum Dots

Abstract Copper indium sulfide (CIS) colloidal quantum dots (QDs) are a promising candidate for commercially viable QD‐based optical applications, for example as colloidal photocatalysts or in luminescent solar concentrators (LSCs). CIS QDs with good photoluminescence quantum yields (PLQYs) and tunable emission wavelength via size and composition control are previously reported. However, developing an understanding and control over the growth of electronically passivating inorganic shells would enable further improvements of the photophysical properties of CIS QDs. To improve the optical properties of CIS QDs, the focus is on the growth of inorganic shells via the popular metal‐carboxylate/alkane thiol decomposition reaction. 1) The role of Zn‐carboxylate and Zn‐thiolate on the formation of ZnS shells on Cu‐deficient CIS (CDCIS) QDs is studied, 2) this knowledge is leveraged to yield >90% PLQY CDCIS/ZnS core/shell QDs, and 3) a mechanism for ZnS shells grown from zinc‐carboxylate/alkane thiol decomposition is proposed.

Hansen, Eric C.↗

DOE OSTI2011

Compton Dry-Cask Imaging System

The Compton-Dry Cask Imaging Scanner is a system that verifies and documents the presence of spent nuclear fuel rods in dry-cask storage and determines their isotopic composition without moving or opening the cask. For more information about this project, visit http://www.inl.gov/rd100/2011/compton-dry-cask-imaging-system/

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS↗