[HTML][HTML] Material and device characteristics of InAs/GaAsSb sub-monolayer quantum dot solar cells

Y Kim, KY Ban, C Zhang, CB Honsberg - Applied Physics Letters, 2015 - pubs.aip.org
We have studied the material and photovoltaic characteristics of InAs/GaAsSb sub-
monolayer quantum dot solar cells (QDSCs) with different Sb contents of 0%, 5%, 15%, and …

Type-II InAs/GaAsSb quantum dot solar cells with GaAs interlayer

D Kim, S Hatch, J Wu, KA Sablon, P Lam… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
One of the primary challenges facing quantum dot (QD)-based intermediate band solar cells
is the short lifetime of charge carriers (~ 1 ns). To investigate this, InAs QD/GaAs 1-x Sb x …

[HTML][HTML] Multi-stacked InAs/GaAs quantum dots grown with different growth modes for quantum dot solar cells

Y Kim, KY Ban, CB Honsberg - Applied Physics Letters, 2015 - pubs.aip.org
We have studied the material properties and device performance of InAs/GaAs quantum dot
solar cells (QDSCs) made using three different QD growth modes: Stranski-Krastanov (SK) …

[HTML][HTML] Submonolayer InGaAs/GaAs quantum dot solar cells

P Lam, J Wu, M Tang, Q Jiang, S Hatch… - Solar energy materials …, 2014 - Elsevier
Optical and structural properties of submonolayer InGaAs/GaAs quantum dot solar cells
(SML-QDSCs) are investigated and compared with quantum well solar cells (QWSCs) …

Fabrication and characterization of InAs/InGaAs sub-monolayer quantum dot solar cell with dot-in-a-well structure

JS Kim, JO Kim, SK Noh, SJ Lee - Current Applied Physics, 2016 - Elsevier
To improve the efficiency of InAs quantum dot solar cells (QDSCs), we propose a QDSC
structure with sub-monolayer (SML) QDs. The optical and electrical properties of Stranski …

Improved performance of quantum dot solar cells by type-II InAs/GaAsSb structure with moderate Sb composition

S Wang, S Wang, X Yang, Z Lv, H Chai, L Meng… - Heliyon, 2023 - cell.com
We demonstrate improved performance of quantum dot solar cells (QDSCs) by type-II
InAs/GaAsSb structure. With a moderate Sb composition of 18% and high quality QDs, a …

Thin GaAsSb capping layers for improved performance of InAs/GaAs quantum dot solar cells

AD Utrilla, DF Reyes, JM Llorens, I Artacho… - Solar Energy Materials …, 2017 - Elsevier
This work reports on the benefits from using thin GaAsSb capping layers (CLs) on InAs/GaAs
quantum dot (QD) solar cells. The application of such CLs allows the tunability of the QD …

Efficiency limit of InAs/GaAs quantum dot solar cells attributed to quantum dot size effects

RP Smith, JS Kim, SK Noh, SJ Lee, CL Lee… - Solar Energy Materials …, 2016 - Elsevier
The effects of quantum dot (QD) size on the optical and electrical properties of InAs/GaAs
QD solar cells (QDSCs) were investigated. QDSCs with varying InAs QD size were …

InAs/GaAsSb quantum dot solar cells

S Hatch, J Wu, K Sablon, P Lam, M Tang, Q Jiang… - Optics express, 2014 - opg.optica.org
The hybrid structure of GaAs/GaAsSb quantum well (QW)/InAs quantum dots solar cells
(QDSCs) is analyzed using power-dependent and temperature-dependent …

InAs/InGaP quantum dot solar cells with an AlGaAs interlayer

P Lam, J Wu, M Tang, D Kim, S Hatch, I Ramiro… - Solar Energy Materials …, 2016 - Elsevier
We studied the growth of InAs/InGaP quantum dot (QD) solar cells with near ideal bandgaps
for intermediate band solar cells. Using a solid-source molecular beam epitaxy system, the …