Photophysical investigation of organic chromophores for optoelectronic applications
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Abstract
Organic chromophores have gained significant popularity in the scientific community due to
their immense potential as alternative materials for organic optoelectronic devices. These
devices include organic field effect transistors (OFETs), organic light-emitting diodes (OLEDs),
organic photovoltaics (OPVs), sensors, and biohybrid electronics. With their unique optical
and electronic properties, organic chromophores fall in the category of organic
semiconductors. These organic semiconductor-based devices offer remarkable advantages
such as flexibility, transparency, robustness, and low power consumption, distinguishing
them from conventional inorganic electronics. To fully explore the potential of newly
synthesized organic chromophores, it is crucial to comprehensively characterize their
photophysical properties. The photophysics of chromophores plays a pivotal role in
determining their suitability for various optoelectronic applications. In this thesis, the focus is
on studying the energy and electron transfer mechanisms in covalently linked organic
chromophores, which comprise electron donor (molecules or entity capable of transferring
energy or electrons) and acceptor (molecules or entity capable of accepting energy or
electrons) dyads, triads, and supramolecular structures. The objective is to explore their
potential applications in optoelectronic devices, especially OLEDs, OPVs and biohybrid
devices.