Materials Science That Breaks the Efficiency, Lightweight, Reliability Trade: Efficient Multijunction Solar Cells on Flexible Substrates

Courtesy of Charles Brumlik; used with permission
Courtesy of Charles Brumlik; used with permission

Presented: April 27, 2023 12:00 pm
Presented by: Bin Chen, Ted Sargent, Samuel Brauer, PhD, Charles Brumlik, JD, PhD

The defense and consumer industries have long sought ways to turn solar energy into electrical power with a compelling union of lightweight, high-efficiency, power density and acceptable cost.

The priority of ultrahigh efficiency is more critical when the form factor – of an airframe, unmanned aerial vehicle, mobile device, or fabric – is dictated by its principal function and the energy-harvesting material must be wrapped around this framework.

In this seminar, we will cover the following:

  • What are liquid-processed (ink) solar cells based on perovskites?
  • How does roll-to-roll manufacture of flexible and lightweight solar cells proceed?
  • How have perovskites managed to break the traditional compromise of flexibility vs. efficiency? What is the role of multijunction (multiple bandgap) technology?
  • What remains to achieve the reliability and manufacturability needed for real impact at scale?

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