Since the discovery of high electrical conductivity with polyacetylene, π-conjugated functional organic materials have attracted significant scientific and technological attention over the last three decades as electro-active materials for the development of low-cost, printable and flexible optoelectronic devices. They are envisioned as essential components of next-generation optoelectronic devices such as flexible displays, low-cost solar panels, electronic papers, printable RFID tags, and sensors. These new technologies are expected to revolutionize the role of electronics in our daily lives and compliment current inorganic-based optoelectronic devices, which has greatly impacted our society starting from the second half of the 20th century. To this end, the theoretical design and synthetic tailoring of π-conjugated architectures have been very crucial to optimize the physicochemical and optoelectronic properties of organic materials for any particular application. In this study, we show that thin-films prepared by properly designed organic semiconductors can form favorable nanostructures, which can be used as Surface Enhanced Raman Spectroscopy (SERS) platforms and also in high-performance thin-film transistors (OTFTs) and light-emitting transistors (OLETs).1,2 [1] H. Usta,* C. Sheets, M. Denti, G. Generali, R. Capelli, S. Lu, X. Yu, M. Muccini,* A. Facchetti* Chem. Mater., 2014, 26, 6542–6556. [2] M. Yilmaz, M. Ozdemir, H. Erdogan, U. Tamer, U. Sen, A. Facchetti*, H. Usta*, G. Demirel* Adv. Funct. Mater., 2015, 25, 5669–5676. Acknowledgements: This work is supported by the Scientific and Technological Research Council of Turkey (TUBITAK Grant-114M226)

Design and development of functional organic small molecules and polymers for optoelectronics

251st National Meeting (2016)

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