Status and challenges of multi-junction solar cell technology

A Baiju, M Yarema - Frontiers in Energy Research, 2022 - frontiersin.org
The ongoing energy transition to curb carbon dioxide emissions and meet the increasing
energy demands have enhanced the need for integration of renewable energy into the …

Controlled spalling-based mechanical substrate exfoliation for III-V solar cells: A review

J Chen, CE Packard - Solar Energy Materials and Solar Cells, 2021 - Elsevier
Controlled spalling is a fast process that can mechanically exfoliate III-V semiconductor
layers from their host wafer substrates and has the potential to produce high power-density …

Raising the one-sun conversion efficiency of III–V/Si solar cells to 32.8% for two junctions and 35.9% for three junctions

S Essig, C Allebé, T Remo, JF Geisz, MA Steiner… - Nature Energy, 2017 - nature.com
Today's dominant photovoltaic technologies rely on single-junction devices, which are
approaching their practical efficiency limit of 25–27%. Therefore, researchers are …

Wide‐bandgap perovskite/gallium arsenide tandem solar cells

Z Li, TH Kim, SY Han, YJ Yun, S Jeong… - Advanced Energy …, 2020 - Wiley Online Library
Gallium arsenide (GaAs) photovoltaic (PV) cells have been widely investigated due to their
merits such as thin‐film feasibility, flexibility, and high efficiency. To further increase their …

Mechanical stacked GaAs//CuIn1−yGaySe2 three‐junction solar cells with 30% efficiency via an improved bonding interface and area current‐matching technique

K Makita, Y Kamikawa, T Koida… - Progress in …, 2023 - Wiley Online Library
Multijunction (MJ) solar cells have attracted considerable attention as next‐generation solar
cells. III–V‐based MJ solar cells connected to heterogeneous cells, such as GaAs//Si and …

24% Single‐Junction GaAs Solar Cell Grown Directly on Growth‐Planarized Facets Using Hydride Vapor Phase Epitaxy

AK Braun, JT Boyer, KL Schulte… - Advanced Energy …, 2024 - Wiley Online Library
Abstract A 24%‐efficient single‐junction GaAs solar cell grown directly on a faceted, spalled
(100) GaAs substrate after in situ planarization growth by hydride vapor phase epitaxy …

Low-cost approaches to III–V semiconductor growth for photovoltaic applications

AL Greenaway, JW Boucher, SZ Oener… - ACS Energy …, 2017 - ACS Publications
III–V semiconductors form the most efficient single-and multijunction photovoltaics. Metal–
organic vapor-phase epitaxy, which uses toxic and pyrophoric gas-phase precursors, is the …

III‐V//CuxIn1−yGaySe2 multijunction solar cells with 27.2% efficiency fabricated using modified smart stack technology with Pd nanoparticle array and adhesive …

K Makita, Y Kamikawa, H Mizuno… - Progress in …, 2021 - Wiley Online Library
Multijunction (MJ) solar cells achieve high efficiencies by effectively utilizing the solar
spectrum. Previously, we have developed III‐V MJ solar cells using smart stack technology …

Design of planarizing growth conditions on unpolished and faceted (100)-oriented GaAs substrates using hydride vapor phase epitaxy

AK Braun, KL Schulte, J Simon, AJ Ptak… - Crystal Growth & …, 2023 - ACS Publications
We performed a design of experiments (DoE) analysis to determine the effect of various
growth parameters on in situ planarizing overgrowth of rough substrates using hydride vapor …

GaAs solar cells grown by hydride vapor-phase epitaxy and the development of GaInP cladding layers

J Simon, KL Schulte, DL Young… - IEEE Journal of …, 2015 - ieeexplore.ieee.org
The high cost of high-efficiency III-V photovoltaic devices currently limits them to niche
markets. Hydride vapor-phase epitaxy (HVPE) growth of III-V materials recently reemerged …