Triad National Security, LLC

Hisato Yamaguchi

Nathan Andrew Moody

John W Lewellen

Gautam Gupta

Jeffrey Pietryga

Aditya Mohite

Vitaly Pavlenko

Fangze Liu

A photocathode assembly may include: a reflective substrate; an enhancement layer on the reflective substrate; and a photosensitive film on the enhancement layer, wherein the enhancement layer has a thickness of about 10 nm or less.

Photocathodes with an enhancement layer and method of making the same

According to an embodiment of the present disclosure, a photocathode may include: a mesh having a first surface and a second surface facing away from the first surface, and including metallic, semiconductor or ceramic mesh grid with micron-sized openings in the mesh; a photosensitive film on the first surface of the mesh and extending at least partially into the openings of the mesh; and a graphene layer including one or more graphene sheets on the second surface of the mesh.

Photocathodes with protective in-situ graphene gas barrier films and method of making the same

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Los Alamos, NM, United States of America

Hisato Yamaguchi