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Peptide nucleic acids (PNAs) are synthetic mimics of DNA in which the deoxyribose phosphate backbone is replaced by a pseudopeptide polymer to which the nucleobase is attached. PNAs are capable of hybridizing with complementary DNAs or RNAs with high affinity and specificity. It is due to their unique physico-chemical properties that PNAs have shown strong potential in recent years for molecular biology procedures and diagnostic assays.
Organic light-emitting diodes (OLEDs) have gained significant attention due to their thinner and smaller size, lighter weight, and cost-effective manufacturing processes. Their application in flat panel displays has shown to be energy efficient and environmentally friendly. OLED technology has progressed significantly over the past decade. However, there is still much room for improvement in terms of efficiency and lifetime of OLED. In particular, the quest for low-cost, high-efficiency and stable blue light-emitting compounds has been the focus of research.
Fig 1. The basic OLED device architecture. (Jadoun, S.; Riaz, U. 2020)
Watson-Crick-specific base pairing in PNA domains is known to be excellent self-assembling systems. Stability, biocompatibility, Van der Waals interactions, and water solubility of PNAs make them ideal for biosensing, catalysis, and many other nanotechnology applications. At BOC Sciences, our experts have applied a series of self-assembled PNAs for OLED Application. Our unique PNA OLEDTM platform is well-established to develop electroluminescent/photoluminescent materials based on the unique nanostructures of PNA derivatives to manufacture OLEDs.
Three guanine (G)-containing PNA dimers, namely CG, GC, and GG that exhibit extensive excitation-dependent fluorescence in the visible region are carefully designed and manufactured:
Fig 2. Applications of OLED. (Jadoun, S.; Riaz, U. 2020)
Given the great potential of light-emitting self-assembled PNAs in photonic crystals and artificial photosynthesis, PNAs can be used as an emitting layer in OLEDs with full-color displays in a variety of dlectroluminescence devices such as TV screens, computer displays, and portable electronics such as cell phones.
BOC Sciences is currently concentrating on patterning and optimizing the solid surface deposition of this nanostructure. Moreover, our team of experts will perform a proof of concept for this novel technology, for which a working prototype is being designed and developed.
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