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Title: Low-workfunction photocathodes based on acetylide compounds

Abstract

A low-workfunction photocathode includes a photoemissive material employed as a coating on the photocathode. The photoemissive material includes A.sub.nMC.sub.2, where A is a first metal element, the first element is an alkali metal, an alkali-earth element or the element Al; n is an integer that is 0, 1, 2, 3 or 4; M is a second metal element, the second metal element is a transition metal or a metal stand-in; and C.sub.2 is the acetylide ion C.sub.2.sup.2-. The photoemissive material includes a crystalline structure or non-crystalline structure of rod-like or curvy 1-dimensional polymeric substructures with MC.sub.2 repeating units embedded in a matrix of A.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1132049
Patent Number(s):
8,729,799
Application Number:
13/688,605
Assignee:
U.S. Department of Energy (Washington, DC)
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Patent
Resource Relation:
Patent File Date: 2012 Nov 29
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Terdik, Joseph Z, Spentzouris, Linda, Terry, Jr., Jeffrey H, Harkay, Katherine C, Nemeth, Karoly, and Srajer, George. Low-workfunction photocathodes based on acetylide compounds. United States: N. p., 2014. Web.
Terdik, Joseph Z, Spentzouris, Linda, Terry, Jr., Jeffrey H, Harkay, Katherine C, Nemeth, Karoly, & Srajer, George. Low-workfunction photocathodes based on acetylide compounds. United States.
Terdik, Joseph Z, Spentzouris, Linda, Terry, Jr., Jeffrey H, Harkay, Katherine C, Nemeth, Karoly, and Srajer, George. Tue . "Low-workfunction photocathodes based on acetylide compounds". United States. https://www.osti.gov/servlets/purl/1132049.
@article{osti_1132049,
title = {Low-workfunction photocathodes based on acetylide compounds},
author = {Terdik, Joseph Z and Spentzouris, Linda and Terry, Jr., Jeffrey H and Harkay, Katherine C and Nemeth, Karoly and Srajer, George},
abstractNote = {A low-workfunction photocathode includes a photoemissive material employed as a coating on the photocathode. The photoemissive material includes A.sub.nMC.sub.2, where A is a first metal element, the first element is an alkali metal, an alkali-earth element or the element Al; n is an integer that is 0, 1, 2, 3 or 4; M is a second metal element, the second metal element is a transition metal or a metal stand-in; and C.sub.2 is the acetylide ion C.sub.2.sup.2-. The photoemissive material includes a crystalline structure or non-crystalline structure of rod-like or curvy 1-dimensional polymeric substructures with MC.sub.2 repeating units embedded in a matrix of A.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {5}
}

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