TY - JOUR
T1 - Gold(I) N-heterocyclic carbene precursors for focused electron beam-induced deposition
AU - Glessi, Cristiano
AU - Mahgoub, Aya
AU - Hagen, Cornelis W.
AU - Tilset, Mats
PY - 2021
Y1 - 2021
N2 - Seven gold(I) N-heterocyclic carbene (NHC) complexes were synthesized, characterized, and identified as suitable precursors for focused electron beam-induced deposition (FEBID). Several variations on the core Au(NHC)X moiety were introduced, that is, variations of the NHC ring (imidazole or triazole), of the alkyl N-substituents (Me, Et, or iPr), and of the ancillary ligand X (Cl, Br, I, or CF3). The seven complexes were tested as FEBID precursors in an on-substrate custom setup. The effect of the substitutions on deposit composition and growth rate indicates that the most suitable organic ligand for the gold precursor is triazole-based, with the best deposit composition of 15 atom % gold, while the most suitable anionic ligand is the trifluoromethyl group, leading to a growth rate of 1 × 10−2 nm3/e−.
AB - Seven gold(I) N-heterocyclic carbene (NHC) complexes were synthesized, characterized, and identified as suitable precursors for focused electron beam-induced deposition (FEBID). Several variations on the core Au(NHC)X moiety were introduced, that is, variations of the NHC ring (imidazole or triazole), of the alkyl N-substituents (Me, Et, or iPr), and of the ancillary ligand X (Cl, Br, I, or CF3). The seven complexes were tested as FEBID precursors in an on-substrate custom setup. The effect of the substitutions on deposit composition and growth rate indicates that the most suitable organic ligand for the gold precursor is triazole-based, with the best deposit composition of 15 atom % gold, while the most suitable anionic ligand is the trifluoromethyl group, leading to a growth rate of 1 × 10−2 nm3/e−.
KW - Au(I) precursors
KW - focused electron beam-induced deposition (FEBID)
KW - gold precursors
KW - gold-NHC
KW - N-heterocyclic carbene
KW - nanofabrication
UR - http://www.scopus.com/inward/record.url?scp=85103690707&partnerID=8YFLogxK
U2 - 10.3762/bjnano.12.21
DO - 10.3762/bjnano.12.21
M3 - Article
AN - SCOPUS:85103690707
SN - 2190-4286
VL - 12
SP - 257
EP - 269
JO - Beilstein Journal of Nanotechnology
JF - Beilstein Journal of Nanotechnology
ER -