Research Molecular Quantum Materials for Quantum Informations Sciences and Quantum (Bio)-Sensor Molecular Materials for Responsive Spintronics Earth Abundant Transition Metal Complexes for Sustainable Photocatalysis Prior Research: Optically gated molecular complexes for quantum sensors Multifunctional switchable molecular magnets (spin crossover and metal-to-metal charge transfer) and single molecule magnets Mechanistic investigation of nickel catalyzed carbon carbon bond formation