Engineers have created an organic bipolar transistor. It is needed for flexible electronics

The researchers used highly ordered thin organic layers to create their device.

The new technological approach made it possible to collectthe first organic transistors that operate at gigahertz frequencies. Previously existing organic field-effect transistors, as noted by the authors of the work, could operate at a frequency of several kHz or MHz.

In his work, published in the journal Nature,engineers note that they used n- and p-type doped rubrene crystal films to create the device, as well as a special vertical transistor architecture.

"First Realization of Organic Bipolarthe transistor was a big challenge as we needed to create very high quality layers and new structures. The superior performance of the transistor rewards this effort,” said Professor Shu-Jen Wang, co-author of the study.

Transistor circuit. Source: Shu-Jen Wang et al., Nature

Researchers note that the inventiontransistor in 1947 ushered in the age of microelectronics and revolutionized our lives. Silicon semiconductors perform many tasks, but their key drawback is rigidity.

Organic devices, on the contrary, are enoughflexible, and therefore better suited for new types of electronic components, such as rollable screens or medical sensors. Engineers believe that the bipolar transistor they have created opens up completely new prospects for organic electronics, solving complex problems in data processing and transmission.

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