Bandgap tuning. Close-up of a reference card used in bandgap tuning of copper chalcopyrite thin films for photoelectrochemical hydrogen production. Ph

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Bandgap tuning. Close-up of a reference card used in bandgap tuning of copper chalcopyrite thin films for photoelectrochemical hydrogen production. Photographed at the Hawaii Natural Energy Institute, USA.

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Size: 3275px × 2667px
Photo credit: © Hawaii Natural Energy Institute/US DEPARTMENT OF ENERGY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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