High-Performance Solar Cells Stack Up

摘要

Anew scalable process for producing ultrahigh-efficiency photovoltaic cells could pave the way for low-cost, utility-scale solar power generation. "The strategy involves highspeed, printing-based manipulation of thin, microscale solar cells and new interface materials to bond them into multilayer stacks," says John Rogers, a professor of materials science and engineering at the Univ. of Illinois at Urbana-Champaign (UIUC). "Quadruple-junction, four-terminal solar cells that we can build in this way have individually measured efficiencies of 43.9%."