Hybrid stranski-krastanov/submonolayer quantum dot heterostructure with type-II band alignment: an efficient way of near infrared photovoltaic energy conversion

S Choudhary, D Das, J Saha, D Panda… - Journal of …, 2021 - Elsevier
Photoabsorption throughout the entire solar spectrum and successive efficient photovoltaic
energy conversion are always being the primary goal in the domain of solar energy …

Improved near infrared energy harvesting through heterogeneously coupled SK on SML quantum dot heterostructure

D Das, DP Panda, B Tongbram, J Saha… - Solar Energy Materials …, 2018 - Elsevier
Abstract Near Infra Red (NIR) energy harvesting is one of the advanced strategies to
improve the overall performance of new generation solar photovoltaics. We introduce here a …

Optimization of hybrid InAs stranski krastanov and submonolayer quantum dot heterostructures and its effect on photovoltaic energy conversion efficiency in near …

D Das, DP Panda, B Tongbram, J Saha, V Chavan… - Solar Energy, 2018 - Elsevier
We are introducing here hybrid Stranski Krastanov (SK) on submonolayer (SML) quantum
dot (QD) heterostructure for improved photovoltaic energy conversion in the near infrared …

Vertically coupled hybrid InAs sub-monolayer on InAs Stranski–Krastanov quantum dot heterostructure: toward next generation broadband IR detection

D Das, J Saha, D Panda, B Tongbram… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In the present article, we are introducing a novel heterogeneously coupled InAs
Submonolayer (SML) on Stranski-Krastanov (SK) quantum dot (QD) heterostructure with …

A comprehensive analysis of strain profile in the heterogeneously coupled Stranski-Krastanov (SK) on Submonolayer (SML) quantum dot heterostructures

S Choudhary, J Saha, B Tongbram, D Panda… - Journal of Alloys and …, 2020 - Elsevier
In this study, we demonstrate a detailed strain analysis of the heterogeneously coupled
Stranski Krastanov (SK) on Submonolayer (SML) InAs quantum dot heterostructures with …

Multi‐Bandgap Quantum Dots Ensemble for Near‐Infrared Photovoltaics

C Mahajan, NV Dambhare, A Biswas… - Energy …, 2023 - Wiley Online Library
Narrow bandgap quantum dots (QDs) are an important class of materials for near‐infrared
(NIR) optoelectronic devices owing to their size‐tunable bandgap and chemical root …

Ultrafast electronic spectroscopy on the coupling of Stranski-Krastanov and submonolayer quantum dots for potential application in near infrared light harvesting

A Chatterjee, D Das, J Patwari… - Materials Research …, 2019 - iopscience.iop.org
Heterogeneously coupled self-assembled InAs QDs are always attractive to study their
unique physical properties. Here, we have introduced Stranski-Krastanov (SK) grown …

Efficient quantum dot infrared solar cells with enhanced low-energy photon conversion via optical engineering

S Liu, MY Li, K Xiong, J Gao, X Lan, D Zhang, L Gao… - Nano Research, 2023 - Springer
Infrared (IR) solar cells are promising devices for improving the power conversion efficiency
(PCE) of conventional solar cells by expanding the utilization region of the sunlight spectrum …

Near‐infrared photoactive semiconductor quantum dots for solar cells

R Zhou, J Xu, P Luo, L Hu, X Pan, J Xu… - Advanced Energy …, 2021 - Wiley Online Library
Semiconductor quantum dots (QDs) are nanocrystals whose excitons are bound in 3D
space. Owning to their remarkable quantum confinement effect, QDs exhibit a discontinuous …

Enhancing the performance of heterogeneously coupled InAs Stranski-Krastanov on submonolayer quantum dot heterostructures

J Saha, P Raut, R Ramavath, D Panda, D Das… - Superlattices and …, 2019 - Elsevier
A detail investigation on enhancing the performance of heterogeneously coupled Stranski–
Krastanov (SK) on Submonolayer (SML) quantum dot (QD) heterostructure has been done …