Germanium is listed as a critical raw material, and for environmental and economic
sustainability reasons, strategies for lower consumption must be implemented. A promising …

Solar cells from III-V materials offer outstanding light conversion efficiency and power
densities and have a proven reliability record. Nevertheless, the utilization of III-V devices …

III–V solar cells are mainly grown on GaAs or Ge substrate, which significantly contributes to
the final cost and affects the sustainable use of these rare materials. A so‐called PEELER …

III-V semiconductor materials for high-efficiency multi-junction solar cells are often grown on
germanium (Ge) substrates. However, apart from being considered as a rare element, Ge …

In this report, we describe a unique roll-to-roll plasma-enhanced chemical vapor deposition
(R2R-PECVD) technique to grow high-quality single-crystalline-like Ge films on flexible …

We have successfully used hydrophobic direct-wafer bonding, along with H-induced layer
splitting of Ge, to transfer 700-nm-thick, single-crystal Ge (100) films to Si (100) substrates …

Large area, crack-free Ga In P∕ Ga As double junction solar cells were grown by metal
organic chemical vapor deposition on Ge∕ Si templates fabricated using wafer bonding and …

Germanium (Ge) substrates are employed for III-V multijunction solar cells (MJSCs).
However, due to limited availability and environmental impact, Ge is a critical raw material …

Substrate reuse offers a promising route toward enabling high-efficiency III-V solar cells to
become cost-competitive for one-sun terrestrial applications. In this study, Ge films were …

Low-defect density Ge thin films are crucial for studying the impact of defect density on the
performance limits of Ge-based optical devices (optical detectors, LEDs, and lasers). Ge …