Reversible mechanochromic luminescence of [(C6F5Au)2(mu-1,4-diisocyanobenzene)].
Reversible mechanochromic luminescence of [(C6F5Au)2(mu-1,4-diisocyanobenzene)] is reported. Grinding of the complex induced a photoluminescent color change, which was restored by exposure to a solvent. This cycle was repeated 20 times with no color degradation in the emissions. Their optical properties, X-ray crystallographic analysis, IR, and XRD measurements strongly suggested that the change in the molecular arrangement is responsible for this mechanochromic property. Intermolecular aurophilic bondings presumably play a key role in the altered emission.
Ito
Hajime
H
Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan. hajito@sci.hokudai.ac.jp
Saito
Tomohisa
T
Oshima
Naoya
N
Kitamura
Noboru
N
Ishizaka
Shoji
S
Hinatsu
Yukio
Y
Wakeshima
Makoto
M
Kato
Masako
M
Tsuge
Kiyoshi
K
Sawamura
Masaya
M