Investor Presentaiton
The problem: Performance-Lifetime limitation
Our innovation: Decouple the limitation by 2D materials
Current status & problem
Quantum Efficiency (%)
20
15
15
Efficiency vs. Effective Lifetime in photoinjector environment
Cs2Te (263nm)
Cs2Te (270nm)
Cal (209 m)
Diamond (209mm)
Cs2CsSb (527nm)
Cs3Sb (527nm)
Cs:GaAs (750nm)
Bare Metals (268nm)
10
State-of-the-art
0
0
200
Target
400
600
1/e Lifetime (hours)
Bridging the technology gap
"Cook-and-
look" approach
Observe and
exploit only
High risk
Technology
isolation
800
1 103
?
Technology
Gap
Compromised
performance
goals
One-off
solutions
Technology
stagnation
Our idea
N.A.Moody US patent 8,823,259 (2014)
hv
O2 CO2 CO HO
000
coating layer
photocathodes
Los Alamos
NATIONAL LABORATORY
Present approaches do not depart from
historical methods
G.Wang and N.Moody et al.
npj 2D Materials and Applications 17 (2018)
11/8/2021
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