Answers are grounded in this paper and cite their sources.
Green emissive [Au 9 (PNC) 6 ](BF 4 ) 3 can be converted to orange emissive [Au 11 (PNC) 6 (PPh 3 ) 2 ](BF 4 ) 5 showing the presence of unsupported Au I –Au I interactions in solution.
No takes yet. Share an insight, caveat, or question.
Lei et al. (2017) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: