Table 2. Shape-Dependent Parameter Used To Quantify the Size Effect.

shape	type of faces	αAu (nm)	αCu (nm)
tetrahedron	111	1.84	5.13
octahedron	111	0.92	2.56
decahedron	111	0.91	2.50
dodecahedron	111	0.34	0.94
icosahedron	111	0.50	1.38
truncated octahedron	111 and 100	0.44	0.94
cuboctahedron	111 and 100	1.22	1.60
rhombic dodecahedron	110	1.71	1.84
cube	100	2.43	2.78