In this paper, we consider the transformative changes to electronic and photonic technologies that might yet be realized using these unconventional, soft semiconductor thin films.
The field of organic electronics, now in its 70th year since the identification of semiconducting properties of violanthrone by Akamatsu and Inokuchi, has enjoyed an extended period of discovery of the characteristics of disordered organic materials, ultimately leading to the astonishing success of organic light-emitting diodes (OLEDs). This technology platform has launched a revolution in information displays and lighting, while motivating researchers worldwide to explore a vast variety of new materials with intriguing optical and electronic properties that were never imagined in those early days of discovery. The fundamental discoveries encouraged the small community of researchers to consider if there were any practical outcomes that could be achieved using organic semiconductors.
Some of the first devices to exploit these “soft” materials were memories and solar cells. But compared to conventional semiconductor devices (most notably Si), the performance of organic devices was depressingly inferior, and worse, they did not last very long.
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