(THE GIST OF PIB) Organic Solar Cells

(January-2023)

Organic Solar Cells

• Recently, researchers at IIT Kanpur have developed organic solar cells under the DST-RCUK APEX project.

What is Organic Solar Cells?

• An organic solar cell consisting of a combination of an organic polymer and PCBM (an organic semiconductor) developed on steel substrates can potentially convert a steel roof into an energy-producing device.

Features:

• The devices consist of a blend of organic polymer PTB7 as a donor and PCBM as an acceptor.
• The devices were fabricated on opaque steel substrates with a MoO3/Au/MoO3top electrode. These electrodes offer higher optical transmission as compared to only metallic electrodes.
• The devices with multilayer electrodes showed a clear improvement in the photovoltaic performance by 1.5 times, as compared with those obtained with single-layer top metal electrodes of gold.

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Courtesy: PIB