The novel solar cell uses tungsten sulfide as the back surface field layer. According to its creators, this layer can be included in conventional CIGS solar cells to improve their efficiency and ...

Newswise — The Photovoltaic Research Department of the Korea Institute of Energy Research (KIER) achieved a certified world-record efficiency of 26.7% for perovskite/CIGS tandem solar cells, opening a ...

South Korean researchers have fabricated a copper indium gallium selenide (CIGS) solar cell with a 90 μm-thick UTG provided by South Korea’s Unique Technology Integral. The device uses a cadmium-free ...

The researchers’ CIGS-perovskite tandem solar cell achieved a conversion efficiency of 25.5%, a record for this material combination. Image: G. Farias Basulto/HZB German researchers have achieved a ...

Newswise — The Korea Institute of Energy Research (President Yi Chang-keun, hereinafter referred to as “KIER”) has successfully developed ultra-lightweight flexible perovskite/CIGS tandem solar cells ...

Researchers from Humboldt University Berlin and HZB have developed a tandem solar cell combining a perovskite-based top cell with a CIGS (copper, indium, gallium, and selenium) bottom cell. By ...

Improved contact layers helped boost the efficiency of the experimental CIGS-perovskite tandem cell to 24.6%. Image: HZB Researchers from the Helmholtz-Zentrum Berlin (HZB) and Humboldt University ...

The tandem cell consists of a combination of CIGS and perovskite and achieves a certified record efficiency of 24.6%. Combining two semiconductor thin films into a tandem solar cell can achieve high ...

KIER achieves world’s highest efficiency of 23.64% with flexible perovskite/CIGS thin-film tandem solar cell The Korea Institute of Energy Research (President Yi Chang-keun, hereinafter referred to as ...