Solar cell nanotechnology for improved efficiency and radiation hardness

Alexander I. Fedoseyev; Marek Turowski; Qinghui Shao; Alexander A. Balandin

doi:10.1117/12.681252

29 August 2006 Solar cell nanotechnology for improved efficiency and radiation hardness

Alexander I. Fedoseyev, Marek Turowski, Qinghui Shao, Alexander A. Balandin

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Proceedings Volume 6308, Photonics for Space Environments XI; 630806 (2006) https://doi.org/10.1117/12.681252
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Space electronic equipment, and NASA future exploration missions in particular, require improvements in solar cell efficiency and radiation hardness. Novel nano-engineered materials and quantum-dot array based photovoltaic devices promise to deliver more efficient, lightweight solar cells and arrays which will be of high value to long term space missions. In this paper, we describe issues related to the development of the quantum-dot based solar cells and comprehensive software tools for simulation of the nanostructure-based photovoltaic cells. Some experimental results used for the model validation are also reviewed. The novel modeling and simulation tools for the quantum-dot-based nanostructures help to better understand and predict behavior of the nano-devices and novel materials in space environment, assess technologies, devices, and materials for new electronic systems as well as to better evaluate the performance and radiation response of the devices at an early design stage. The overall objective is to investigate and design new photovoltaic structures based on quantum dots (QDs) with improved efficiency and radiation hardness. The inherently radiation tolerant quantum dots of variable sizes maximize absorption of different light wavelengths, i.e., create a "multicolor" cell, which improves photovoltaic efficiency and diminishes the radiation-induced degradation. The QD models described here are being integrated into the advanced photonic-electronic device simulator NanoTCAD, which can be useful for the optimization of QD superlattices as well as for the development and exploring of new solar cell designs.

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Alexander I. Fedoseyev, Marek Turowski, Qinghui Shao, and Alexander A. Balandin "Solar cell nanotechnology for improved efficiency and radiation hardness", Proc. SPIE 6308, Photonics for Space Environments XI, 630806 (29 August 2006); https://doi.org/10.1117/12.681252

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KEYWORDS

Solar cells

Quantum dots

Photovoltaics

Absorption

Solar radiation

3D modeling

Nanostructures

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