Effect of Confinement Strength on the Conversion Efficiency of Strained Core–Shell Quantum Dot Solar Cell

2020 ◽  
Vol 128 (10) ◽  
pp. 1649-1657
Author(s):  
Anupam Sahu ◽  
Dharmendra Kumar
Keyword(s):  
Solar Cell ◽  
Quantum Dot ◽  
Conversion Efficiency ◽  
Core Shell

TiO2@CdSe/CdS core–shell hollow nanospheres solar paint

RSC Advances ◽  
2014 ◽  
Vol 4 (59) ◽  
pp. 31313-31317 ◽  
Author(s):  
Xiang Zhang ◽  
Hongxia Sun ◽  
Xiyun Tao ◽  
Xingfu Zhou
Keyword(s):  
Solar Cell ◽  
Quantum Dot ◽  
Conversion Efficiency ◽  
Current Density ◽  
Core Shell ◽  
Hollow Nanospheres ◽  
A Current

TiO2@CdSe/CdS hollow nanospheres solar paint were fabricated and directly applied in quantum dot-sensitized solar cell. The reliable conversion efficiency of 0.79 was achieved with a current density of 6.6 mA cm−2.

scholarly journals Effect of Confinement Strength on the Conversion Efficiency of Strained Core-Shell Quantum Dot Solar Cell-=SUP=-*-=/SUP=-

2020 ◽  
Vol 128 (10) ◽  
pp. 1534
Author(s):  
Anupam Sahu ◽  
Dharmendra Kumar
Keyword(s):  
Solar Cell ◽  
Quantum Dot ◽  
Conversion Efficiency ◽  
Cell Structure ◽  
Detailed Balance ◽  
Balance Model ◽  
Core Shell ◽  
Dimensional System ◽  
Multiple Exciton Generation ◽  
Low Dimensional

In this paper, the conversion efficiency (CE) of core-shell quantum dot (CSQD) solar cell is investigated within weak and strong confinements strength, using detailed balance model. The weak and strong confinement strength in solar cell structure is modeled using ZnTe/ZnSe and PbS/CdS CSQD, respectively. Considering size-dependent strain results of CE of CSQD solar cell for varying core radius is plotted with and without considering multiple exciton generation (MEG), and the results show the improvement in CE with MEG, thus indicating its importance in the low-dimensional system. The numerical results demonstrate that for the same CSQD size, the solar cell with a stronger confinement strength achieves the higher CE in comparison to the weaker confinement. Also, the MEG significantly increases the CE of stronger confined CSQD solar cell. The results plotted are in good agreement with the literature. Keywords: conversion efficiency, quantum dot, core-shell, solar cell, multiple exciton generation.

scholarly journals The effect of ZnO/ZnSe core/shell nanorod arrays photoelectrodes on PbS quantum dot sensitized solar cell performance

2020 ◽  
Vol 2 (1) ◽  
pp. 286-295 ◽  
Author(s):  
M. Kamruzzaman
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Quantum Dot ◽  
Cell Performance ◽  
Core Shell ◽  
Zno Nanorod ◽  
Nanorod Arrays ◽  
Solar Cell Performance ◽  
Sensitized Solar Cells ◽  
Pbs Quantum Dot

ZnO nanorod (NR) based inorganic quantum dot sensitized solar cells have gained tremendous attention for use in next generation solar cells.

Surface engineering of PbS quantum dot sensitized solar cells with a conversion efficiency exceeding 7%

2016 ◽  
Vol 4 (19) ◽  
pp. 7214-7221 ◽  
Author(s):  
Shuang Jiao ◽  
Jin Wang ◽  
Qing Shen ◽  
Yan Li ◽  
Xinhua Zhong
Keyword(s):  
Solar Cells ◽  
Ion Exchange ◽  
Quantum Dot ◽  
Conversion Efficiency ◽  
Surface Engineering ◽  
Passivation Layer ◽  
Core Shell ◽  
Liquid Junction ◽  
Sensitized Solar Cells ◽  
Pbs Quantum Dot

A CdS passivation layer was introduced to a PbS QD surface to synthesize PbS/CdS core/shell QDs through an ion exchange procedure, achieving a record PCE of 7.19% for PbS-based liquid-junction quantum dot sensitized solar cells.

Solar Cells of the Inorganic Materials based on PbSe/CdSe Core/Shell Nanocrystals

2015 ◽  
Vol 737 ◽  
pp. 119-122 ◽  
Author(s):  
Tong Yu Wang ◽  
Peng Wang ◽  
He Lin Wang ◽  
Tie Qiang Zhang
Keyword(s):  
Solar Cells ◽  
Quantum Dot ◽  
Conversion Efficiency ◽  
Inorganic Materials ◽  
Photoelectric Conversion Efficiency ◽  
Core Shell ◽  
Cdse Core ◽  
Photoelectric Conversion ◽  
Quantum Dot Solar Cells ◽  
The Stability

This essay employed the "successive ion layer adsorption and reaction (SILAR)"technology to form PbSe/CdSe core/shell.We use the Pbse/CdSe core/shell replaced PbSe nanocrystals and obtained one new quantum dot solar cells of the inorganic.This new solar cells constituted by the metal oxide films retain the photoelectric conversion efficiency of quantum dot solar cells.At the same time,the stability of the new solar cells is tremendously improved with the oxidation resistance of inorganic oxide.Finally,when Jsc=25.2mA/cm2and Voc=0.36V ,we can conclude the conversion efficiency of the solar cell can be evaluated as 3.929%.

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