GaAsP/SiGe tandem solar cells on porous Si substrates

P Caño, M Hinojosa, I García, R Beanland, DF Marrón… - Solar Energy, 2021 - Elsevier
III-V compound semiconductors and SiGe alloys can be combined to develop multijunction
solar cells on Silicon substrates with optimum bandgap combinations. Current …

Hybrid III-V/SiGe solar cells on Si substrates and porous Si substrates

P Caño, M Hinojosa, L Cifuentes… - 2019 IEEE 46th …, 2019 - ieeexplore.ieee.org
A tandem GaAsP/SiGe solar cell has been developed employing group-IV reverse buffer
layers grown on silicon substrates with a subsurface porous layer. Reverse buffer layers …

20%-efficient epitaxial GaAsP/Si tandem solar cells

S Fan, JY Zhengshan, Y Sun, W Weigand… - Solar Energy Materials …, 2019 - Elsevier
Abstract We present epitaxial 1.7 eV/1.1 eV GaAs 0.75 P 0.25/Si tandem cells with an NREL-
certified efficiency of 20.0%, enabled by a thermally stable tunnel junction interconnect …

Current and efficiency improvement for a GaAsP/SiGe on Si tandem solar cell device achieved by light trapping techniques

L Wang, D Li, X Zhao, B Conrad, M Diaz… - physica status solidi …, 2016 - Wiley Online Library
A GaAsP/SiGe tandem solar cell on Si substrate has been further fabricated using light
trapping techniques, such as texturing and adding a back surface reflector, and thinning the …

Hybrid III-V/SiGe solar cells grown on Si substrates through reverse graded buffers

P Cano, M Hinojosa, H Nguyen, A Morgan… - Solar Energy Materials …, 2020 - Elsevier
In the search for a hybrid III-V/Si photovoltaic technology, a tandem GaAsP/SiGe solar cell
grown on silicon substrate have been developed using SiGe/Ge reverse graded buffers …

Material and device improvement of GaAsP top solar cells for GaAsP/SiGe tandem solar cells grown on Si substrates

L Wang, M Diaz, B Conrad, X Zhao, D Li… - IEEE Journal of …, 2015 - ieeexplore.ieee.org
With its wide bandgap and good diode performance, GaAsP is an excellent candidate for the
top cell in a silicon-based multijunction tandem device. Even though the material is not …

Thinned GaInP/GaInAs/Ge solar cells grown with reduced cracking on Ge| Si virtual substrates

I García, L Barrutia, S Dadgostar, M Hinojosa… - Solar Energy Materials …, 2021 - Elsevier
Reducing the formation of cracks during growth of GaInP/GaInAs/Ge 3-junction solar cells on
Ge| Si virtual substrates has been attempted by thinning the structure, namely the Ge bottom …

Dual-junction GaAsP/SiGe on silicon tandem solar cells

M Diaz, L Wang, A Gerger, A Lochtefeld… - 2014 IEEE 40th …, 2014 - ieeexplore.ieee.org
GaAsP/SiGe dual-junction solar cells have been grown on silicon substrates which have the
potential of achieving tandem efficiencies of 40%. This lattice-matched structure facilitates …

Integration of InGaP/GaAs/Ge triple‐junction solar cells on deeply patterned silicon substrates

A Scaccabarozzi, S Binetti, M Acciarri… - Progress in …, 2016 - Wiley Online Library
We report preliminary results on InGaP/InGaAs/Ge photovoltaic cells for concentrated
terrestrial applications, monolithically integrated on engineered Si (001) substrates. Cells …

Tandem GaAsP/SiGe on Si solar cells

M Diaz, L Wang, D Li, X Zhao, B Conrad… - Solar Energy Materials …, 2015 - Elsevier
GaAsP/SiGe dual-junction solar cells have been epitaxially grown on silicon substrates
which have the potential of achieving 1-sun tandem efficiencies of 40%. With the addition of …