Single microcrystals of organoplatinum(II) complexes with high charge-carrier mobility

Hydrogen-bonding pyrazolyl and imidazolyl motifs are incorporated into organoplatinum(II) complexes and found to be harmonized with extended π-π and Pt^II⋯Pt^II interactions to align the planar cations into a quasi-1-D columnar structure or a quasi-2D framework. A field-effect electron mobility up to 20 cm²V⁻¹s⁻¹ has been recorded with a single-microcrystal transistor. In addition, crystalline samples of one of the organoplatinum(II) complexes show intriguing thermoluminescent and vapoluminescent properties. Copyright © 2011 The Royal Society of Chemistry.