Non-intuitive clustering of 9,10-phenanthrenequinone on Au(111)

• Ryan D. Brown,
• Rebecca C. Quardokus,
• Natalie A. Wasio,
• Jacob P. Petersen,
• Angela M. Silski,
• Steven A. Corcelli and
• S. Alex Kandel

Beilstein J. Nanotechnol. 2017, 8, 1801–1807, doi:10.3762/bjnano.8.181

• of Chemistry, Tufts University, Medford, MA 02155 USA 10.3762/bjnano.8.181 Abstract The direct injection of a 9,10-phenanthrenequinone in tetrahydrofuran solution on a Au(111) substrate in high vacuum results in the formation of metastable clusters with a non-intuitive structure. Metastable

• , as well as those formed during the deposition of 9-fluorenone, which does not exhibit this anomalous clustering behavior. Keywords: metastable clusters; 9,10-phenanthrenequinone; scanning tunneling microscopy; self-assembly; Introduction The goal of crystal engineering is to utilize a combination

• role in stabilizing metastable clusters [13][14][19][20]. This makes 9,10-phenanthrenequinone (Figure 1) an attractive target for study, since it has two carbonyl hydrogen-bonding acceptors and multiple aromatic hydrogen donors on the fused ring structure. Possibly as a result, there are six reported