Hierarchical Self-Assembly of a Pyrene-Based Discrete Organoplatinum(II) Double-Metallacycle with Triflate Anions via Hydrogen Bonding and Its Tunable Fluorescence Emission
- Zaiwen Yang*Zaiwen Yang*[email protected]College of Chemistry and Chemical Engineering, Xi’an University of Science and Technology, Xi’an 710054, P. R. ChinaDepartment of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United StatesMore by Zaiwen Yang,
- Yiliang WangYiliang WangDepartment of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United StatesMore by Yiliang Wang,
- Xiangrong LiuXiangrong LiuCollege of Chemistry and Chemical Engineering, Xi’an University of Science and Technology, Xi’an 710054, P. R. ChinaMore by Xiangrong Liu,
- Ryan T. VanderlindenRyan T. VanderlindenDepartment of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United StatesMore by Ryan T. Vanderlinden,
- Ruidong NiRuidong NiDepartment of Chemistry, University of South Florida, 4202 East Fowler Avenue, Tampa, Florida 33620, United StatesMore by Ruidong Ni,
- Xiaopeng LiXiaopeng LiDepartment of Chemistry, University of South Florida, 4202 East Fowler Avenue, Tampa, Florida 33620, United StatesMore by Xiaopeng Li, and
- Peter J. Stang*Peter J. Stang*[email protected]Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United StatesMore by Peter J. Stang
Abstract
Hierarchical self-assembly of discrete organoplatinum(II) metallacycles has attracted considerable attention. However, the exact assembly mechanism involving non-covalent interactions has limited the formation and application of self-assembly due to the dynamics of platinum metallacycles. Herein, we report the hierarchical self-assembly of a pyrene-based discrete organoplatinum(II) double-metallacycle that takes advantage of heteroligation-coordination-driven self-assembly and triflate anions’ hydrogen bonding, which is extended into a 3-D supramolecular framework by the hydrogen-bonding interactions involving triflate anions. Furthermore, the assembled system displays tunable fluorescence emission and enhanced solid emission. The studies herein disclosed pave the way to prepare platinum(II) metallacycle-based supramolecular functional materials.
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