Details

Autor(en) / Beteiligte

• Xu, Xiushang
• Serra, Gianluca
• Villa, Andrea
• Muñoz-Mármol, Rafael
• Vasylevskyi, Serhii
• Gadea, Marcos
• Lucotti, Andrea
• Lin, Zensen
• Boj, Pedro G
• Kabe, Ryota
• Tommasini, Matteo
• Díaz-García, María Á
• Scotognella, Francesco
• Paternò, Giuseppe Maria
• Narita, Akimitsu

Titel

Synthesis of zigzag- and fjord-edged nanographene with dual amplified spontaneous emission

Ist Teil von

• Chemical science (Cambridge), 2022-11, Vol.13 (44), p.134-1345

Ort / Verlag

England: Royal Society of Chemistry

Erscheinungsjahr

2022

Quelle

EZB Electronic Journals Library

Beschreibungen/Notizen

• We report the synthesis of a dibenzodinaphthocoronene (DBDNC) derivative as a novel nanographene with armchair, zigzag, and fjord edges, which was characterized by NMR and X-ray crystallography as well as infrared (IR) and Raman spectroscopies. Ultrafast transient absorption (TA) spectroscopy revealed the presence of stimulated emission signals at 655 nm and 710 nm with a relatively long lifetime, which resulted in dual amplified spontaneous emission (ASE) bands under ns-pulsed excitation, indicating the promise of DBNDC as a near-infrared (NIR) fluorophore for photonics. Our results provide new insight into the design of nanographene with intriguing optical properties by incorporating fjord edges. Dibenzo[ a , m ]dinaphtho[ ef , hi ]coronene with zigzag and fjord edges was synthesized and characterized, demonstrating a nonplanar structure with near-infrared stimulated emission with a relatively long lifetime and dual-amplified spontaneous emission.