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Dipolar and Quadrupolar Modes of SiO(2)/Au Nanoshell Enhanced Light Trapping in Thin Film Solar Cells
Bai YM; Wang J; Chen NF; Yao JX; Zhang XW; Yin ZG; Zhang H; Huang TM; N China Elect Power Univ, Sch Renewable Energy Engn, Beijing 102206, Peoples R China. ymbai@ncepu.edu.cn
2011
Source PublicationCHINESE PHYSICS LETTERS
ISSN0256-307X
Volume28Issue:8Pages:87306
Abstractand quadrupolar resonance wavelengths of SiO(2)/Au nanoshell surface plasmons are designed at 560 nm to enhance the light trapping in thin film solar cells. In order to quantitatively describe the light trapping effect, the forward-scattering efficiency (FSE) and the light trapping efficiency (LTE) are proposed by considering the light scattering direction of SiO(2)/Au nanoshells. Based on the Mie theory, the FSE and the LIE are calculated for SiO(2)/Au nanoshells of different dimensions, and the contributions of the dipolar and quadrupolar modes to the light trapping effect are analyzed in detail. When the surface coverage of nanoshells is 5%, the LTEs are 21.7% and 46.9% for SiO(2)/Au nanoshells with sizes of (31 nm, 69 nm) and (53 nm, 141 nm), respectively. The results indicate that the SiO(2)/Au nanoshell whose quadrupolar mode peak is designed to the strongest solar energy flux density of the solar spectrum facilitates the further enhancement of light harvesting in thin film solar cells.
metadata_83光电子器件国家工程中心
Subject Area光电子学
Funding OrganizationNatural Science Foundation of Beijing[2102042]; National Natural Science Foundation of China[61006050]; Fundamental Research Funds for the Central Universities[10QG24]; National Basic Research Program of China[2010CB933800]
Indexed BySCI
Date Available2011-09-14
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/22585
Collection光电子器件国家工程中心
Corresponding AuthorN China Elect Power Univ, Sch Renewable Energy Engn, Beijing 102206, Peoples R China. ymbai@ncepu.edu.cn
Recommended Citation
GB/T 7714
Bai YM,Wang J,Chen NF,et al. Dipolar and Quadrupolar Modes of SiO(2)/Au Nanoshell Enhanced Light Trapping in Thin Film Solar Cells[J]. CHINESE PHYSICS LETTERS,2011,28(8):87306.
APA Bai YM.,Wang J.,Chen NF.,Yao JX.,Zhang XW.,...&N China Elect Power Univ, Sch Renewable Energy Engn, Beijing 102206, Peoples R China. ymbai@ncepu.edu.cn.(2011).Dipolar and Quadrupolar Modes of SiO(2)/Au Nanoshell Enhanced Light Trapping in Thin Film Solar Cells.CHINESE PHYSICS LETTERS,28(8),87306.
MLA Bai YM,et al."Dipolar and Quadrupolar Modes of SiO(2)/Au Nanoshell Enhanced Light Trapping in Thin Film Solar Cells".CHINESE PHYSICS LETTERS 28.8(2011):87306.
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