New Organic Co-crystal systems developed at IIT-Guwahati
Organic Co-crystal systems with potential applications in drug discovery, imaging, therapeutics, fiber-optic communications and optical devices.
The findings of the research have been published recently in the prestigious Journal Nature Communications.
Co-crystal engineering is a technique that enables the combination of compounds to enhance their functionality.
These compounds find applications across diverse fields, ranging from drug development and materials science to new generation semiconductor devices and sustainable chemistry. However, the challenge in working with co-crystals is that most of the reported co-crystals are highly planar and rigid.
They tend to clump together, exhibiting a behaviour called aggregation-caused quenching (ACQ) which makes it difficult to find suitable donor-acceptor pairs and applications.
A breakthrough in this evolving field has been documented through collaborative research, led by Prof Parameswar K Iyer of IIT Guwahati and scientists from the University of Hyderabad and IISc Bengaluru. The IIT Guwahati researchers have formulated four novel organic photo-functional co-crystals that can emit light efficiently with minimal loss.
Prof Parameswar K Iyer, Department of Chemistry & Centre for Nanotechnology, IIT Guwahati said, ”In our research, we engineered four luminescent Co-Crystals using a compound called Twisted Aromatic Hydrocarbons (TAH).
The TAH are distorted in nature which leads to interesting electronic and optical properties. By adjusting the molecular structures, we formed a novel yet unusually highly efficient cis-isomeric co-crystal.
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