Filter Results
  • Demo: SCPD Data Tool

    7 Resources
    Semiconductor Stability Phase Diagram is a data tool created by LLNL and implemented by NREL NOTE: There are a specific set of files required with a specific naming convention,...
  • Photoelectrochemically Self-Improving Si/GaN Photocathode

    12 Resources
    The resources are raw data for plotting the figures presented in the paper. These excel files includes the data of: photocurrent density vs voltage (J-V curves), photocurrent vs...
  • Data Release and Project Closeout Procedures

    4 Resources
    A dataset containing procedures to: 1.) Make a dataset public 2.) Closeout a project on the Data Hub If you have questions about what data can be made publically available,...
  • 2021 Water Splitting Technologies Benchmarking and Protocols Workshop

    16 Resources
    The third annual workshop for the HydroGEN Advanced Water-Splitting Technology Pathways Benchmarking & Protocols project was held March 1-3 & 8, 2021 virtually. The...
  • fig4a

    4 Resources
    Calculated formation energy of (0001 ̅) c-plane GaN surfaces. The density-functional theory (DFT) calculations were performed with the generalized gradient approximation, using...
  • fig1a

    6 Resources
    10 hours chronoamperometry (CA) testing under 1 sun illumination and constant bias at -0.6 V vs RHE, the corresponding Faradaic efficiency reveals a self-improving nature of...
  • fig4b

    4 Resources
    Calculated formation energy of (1010 ̅) m-plane GaN surfaces. The density-functional theory (DFT) calculations were performed with the generalized gradient approximation, using...
  • fig1b

    4 Resources
    Accelerated CA testing on bare epilayer Si/GaN photocathode at constant bias of -0.6 V vs RHE under 3.5 sun illumination for 150 hours in 0.5 M H2SO4 (pH=0.4)
  • fig1c

    11 Resources
    Intermittent chronoamperometry (CA) testing was performed on Si/GaN photocathode in hourly manner. The LSV scan at 0 hour, 1 hour CA, 2 hours CA, 3 hours CA, 4 hours CA, 6 hours...
  • fig1d

    9 Resources
    Fig1d results were obtained using a 3-electrode configuration with IrOx as the counter electrode and saturated calomel electrode as the reference electrode. Two Si/GaN...
  • fig2b

    5 Resources
    Photoconductive atomic force microscopy (PC-AFM) measurements were conducted on Si/GaN samples. PeakForce TUNA mode was used to acquire the morphology and current...
  • fig2d

    5 Resources
    After 10 hrs of chronoamperometry (CA) photoconductive atomic force microscopy (PC-AFM) measurements were conducted on Si/GaN samples using a commercial AFM system (Bruker...
  • fig3f

    8 Resources
    XPS of Si/GaN photocathode after 10 hour chronoamperometry (CA) testing. Surface chemical composition and valence band structure of GaN were obtained by X-ray photoemission...
  • fig3e

    8 Resources
    XPS of Si/GaN photocathode after 4 hour chronoamperometry (CA) testing. Surface chemical composition and valence band structure of GaN were obtained by X-ray photoemission...
  • fig3c

    6 Resources
    XPS after 0hr of chronoampometry. Surface chemical composition and valence band structure of GaN were obtained by X-ray photoemission spectroscopy (XPS) on a Kratos Axis Ultra...
  • fig3d

    8 Resources
    XPS of Si/GaN photocathode after 1 hour chronoamperometry (CA) testing. Surface chemical composition and valence band structure of GaN were obtained by X-ray photoemission...
  • BCM polytype structures from DFT

    4 Resources
    This dataset contains structure files and results of density functional theory (DFT) calculations for the 12R (ground state) and 10H (metastable at ambient temperature)...
  • H2AWSM Data Hub Tutorial

    2 Resources
    Video recording of the Data Hub tutorial presentation hosted via Teams on 8/21/2020
  • Help and Tutorial

    3 Resources
    Data Hub user resources.
  • Bulk Upload Feature

    1 Resource
    This dataset provides details on how the Bulk Upload feature works so you can upload many files at once within a dataset. Contact emnadmin@nrel.gov with any questions.
You can also access this registry using the API (see API Docs).