Polymers; light emitting devices; Organometallic small molecules ; Phosphorescence
Szentkuti Alexander, Garg Jai Anand, Blacque Olivier, Venkatesan Koushik (2015), Monocyclometalated Gold(III) Complexes Bearing pi-Accepting Cyanide Ligands: Syntheses, Structural, Photophysical, and Electrochemical Investigations, in INORGANIC CHEMISTRY
, 54(22), 10748-10760.
Bachmann Michael, Blacque Olivier, Venkatesan Koushik (2015), Stable and color tunable emission properties based on non-cyclometalated gold(III) complexes, in DALTON TRANSACTIONS
, 44(21), 10003-10013.
Rubbiani Riccardo, Zehnder Thomas N., Mari Cristina, Blacque Olivier, Venkatesan Koushik, Gasser Gilles (2014), Anticancer Profile of a Series of Gold(III) (2-phenyl)pyridine Complexes, in CHEMMEDCHEM
, 9(12), 2781-2790.
Zehnder Thomas N., Blacque Olivier, Venkatesan Koushik (2014), Luminescent monocyclometalated cationic gold(III) complexes: synthesis, photophysical characterization and catalytic investigations, in DALTON TRANSACTIONS
, 43(31), 11959-11972.
Szentkuti Alexander, Bachmann Michael, Garg Jai Anand, Blacque Olivier, Venkatesan Koushik (2014), Monocyclometalated Gold(III) Monoaryl Complexes-A New Class of Triplet Phosphors with Highly Tunable and Efficient Emission Properties, in Chemistry - A European Journal
Zhang Yuzhen, Clavadetscher Jessica, Bachmann Michael, Blacque Olivier, Venkatesan Koushik (2014), Tuning the Luminescent Properties of Pt(II) Acetylide Complexes through Varying the Electronic Properties of N-Heterocyclic Carbene Ligands, in INORGANIC CHEMISTRY
, 53(2), 756-771.
Zhang Yuzhen, Blacque Olivier, Venkatesan Koushik (2013), Highly Efficient Deep-Blue Emitters Based on cis and trans N-Heterocyclic Carbene Pt-II Acetylide Complexes: Synthesis, Photophysical Properties, and Mechanistic Studies, in CHEMISTRY-A EUROPEAN JOURNAL
, 19(46), 15689-15701.
Garg JA, Blacque O, Heier J, Venkatesan K (2012), (Benzimidazolin-2-ylidene)-AuI-Alkynyl Complexes: Syntheses, Structure, and Photophysical Properties, in EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
, (11), 1750-1763.
The primary objective of this project is to investigate the syntheses and photophysical properties of platinum (Pt) and gold (Au) based organometallic complexes and conjugated polymers that could potentially lead to highly efficient luminescent materials. Emphasis will be laid on the development of new synthetic methodologies for preparing the proposed new compounds and polymers with novel structural features. Subsequently, extensive photophysical characterization would be carried out to obtain structure related properties that could aid in the development of new class of emissive materials. As specific objectives, we plan to synthesize and investigate the luminescent properties of a) Au(III) cyclometallated complexes and (b) Au(I) carbene complexes, (c) Platinum(II) carbene complexes and their conjugated polymers. These metal centers in specific oxidation states coupled with unique ligand environments would be utilized to tailor the emissive nature of the materials. Several strategies are herein proposed towards the improvement of luminescence efficiencies and tackle application oriented issues such as long-term thermal and photostability for these particular classes of materials. Design strategy is adopted in such a way so as to prepare novel phosphorescent small molecule entities, and later utilize the same with little structural modification for building polymers and correlate the properties of model compounds (small molecules) to polymers. The unique electronic properties that arise from conjugated polymers can be advantageously used for a variety of optoelectronic applications, with proper attention paid to the design of the polymers in order to obtain good properties both in solution and solid-state. A combination of luminescent properties and novel structures of the organometallic complexes and polymers could lead to potential applications in the field of phosphorescent based organic light emitting devices (PHOLEDs), optical limiting materials and sensors.