Table 1 Compositional analysis by optical microscopy for Au and AuPt supercrystals

From: Plasmonic bimetallic two-dimensional supercrystals for H2 generation

Sample

Monolayer (1L)

Trilayer (3L)

Multilayer (3L+)

Au supercrystal

81%

16%

3%

AuPt supercrystal

61%

9%

30%