Table 2.

Different chemical interfaces tested on the GaAs surface with or without RSA grafting.

N	Thiol SAM	RSA	Characterization methods
1	without	without	AFM
2	10% MHDA/90% MUDO	without
3	without	with	AFM + MS/MS2
4	0% MHDA/100% MUDO	with
5	3% MHDA/97% MUDO	with
6	10% MHDA/90% MUDO	with
7	20% MHDA/80% MUDO	with
8	50% MHDA/50% MUDO	with
9	100% MHDA/0% MUDO	with