Physicists from Moscow State University create cheap organic semiconductors for flexible electronics

Not so long ago, materials science was supplemented by a new promising, promising direction - organic electronics, which, according to many respected scientists, will replace silicon semiconductors in the near future. These materials are characterized by transparency, flexibility, biological compatibility, and they are much easier and simpler to synthesize than inorganic.

Physicists of the Moscow State University, headed by Dmitry Parashchuk, made their contribution to the new direction. The result of their work is the semiconductor organic light-emitting crystals grown by them, which will find their application in flexible and transparent electronics. In the process, cheap technologies were used, which were previously considered unpromising.

Organic semiconductors are based on thiophene-phenylene oligomers previously synthesized by Moscow physicists. And here it was not without know-how. The fact is that at present the bulk of organic semiconductor crystals are obtained by crystallization from steam. Dmitry Parashchuk and his colleagues have simplified this technology literally to the "school" level. As in a chemistry lesson, they learned to grow their crystals from a solution.

As a result, the new technology turned out to be not only cheaper, but also more efficient than the existing one. One of the main crystal characteristics - quantum yield, was 60%, which is 22% higher than that of their "steam" counterparts.