Tunnel-junction-limited multijunction solar cell performance over concentration

AW Walker, O Thériault, MM Wilkins… - IEEE Journal of …, 2013 - ieeexplore.ieee.org
The simulation of tunnel junctions is performed by using nonlocal band-to-band and trap
assisted tunneling models that are capable of reproducing the experimental current-voltage …

The effects of absorption and recombination on quantum dot multijunction solar cell efficiency

AW Walker, O Thériault, JF Wheeldon… - IEEE journal of …, 2013 - ieeexplore.ieee.org
The key characteristics of quantum dot (QD)-enhanced multijunction solar cells (MJSC) are
explored theoretically by focusing on the generation and recombination rates throughout the …

Impact of photon recycling and luminescence coupling on III–V single and dual junction photovoltaic devices

AW Walker, O Höhn, DN Micha… - … of Photonics for …, 2015 - spiedigitallibrary.org
Modeling single junction solar cells composed of III–V semiconductors such as GaAs with
the effects of photon recycling yields insight into design and material criteria required for …

Temperature dependent behavior of sub-monolayer quantum dot based solar cell

N Alnami, R Kumar, S Saha, A Alnami, ME Ware… - Solar Energy Materials …, 2023 - Elsevier
This work investigates the temperature dependence of the performance of In (Ga) As-based
solar cells made from sub-monolayer (SML) quantum dots (QDs), quantum wells (QWs), and …

The dependence of multijunction solar cell performance on the number of quantum dot layers

AW Walker, O Theriault, K Hinzer - IEEE Journal of Quantum …, 2014 - ieeexplore.ieee.org
The performance improvements of adding InAs quantum dots (QDs) in the middle subcell of
a lattice matched triple-junction InGaP/InGaAs/Ge photovoltaic device are studied using the …

Luminescent coupling effect in wafer-bonded III-V on silicon multijunction solar cells

BMF Yu Jeco, E Veinberg-Vidal… - … of Photonics for …, 2019 - spiedigitallibrary.org
Strong luminescent coupling (LC) effect reduces current mismatch in III-V-based
multijunction solar cells and consequently improves their power conversion efficiency. The …

Impact of photon recycling and luminescence coupling in III-V photovoltaic devices

AW Walker, O Höhn, DN Micha… - Physics, Simulation …, 2015 - spiedigitallibrary.org
Single junction photovoltaic devices composed of direct bandgap III-V semiconductors such
as GaAs can exploit the effects of photon recycling to achieve record-high open circuit …

Positioning and doping effects on quantum dot multi‐junction solar cell performance

AW Walker, O Thériault, K Hinzer - Progress in Photovoltaics …, 2015 - Wiley Online Library
The positioning of InAs quantum dot (QD) layers in a triple‐junction GaInP/Ga (In) As/Ge
solar cell is studied using numerical modeling techniques. An effective medium is used to …

Carrier dynamics in quantum-dot multijunction solar cells under concentration

AW Walker, O Thériault, K Hinzer - IEEE Journal of …, 2014 - ieeexplore.ieee.org
The key performance metrics of quantum-dot (QD)-lattice-matched multijunction solar cells
(MJSCs) composed of InGaP/(In) GaAs/Ge with InAs/GaAs QDs are explored under high …

Impact of irradiance data on the energy yield modeling of dual-junction solar module stacks for one-sun applications

O Höhn, JN Murthy, M Steiner, N Tucher… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
With silicon-based tandem solar cells nearing commercialization, the significance of
predicting the outdoor performance of tandem solar devices is growing. Although several …