Si/PEDOT:PSS Hybrid Solar Cells with Advanced Antireflection and Back Surface Field Designs

Yiling SUN; Zhenhai YANG; Pingqi GAO; Jian HE; Xi YANG; Jiang SHENG; Sudong WU; Yong XIANG; Jichun YE

doi:10.1186/s11671-016-1560-0

Si/PEDOT:PSS Hybrid Solar Cells with Advanced Antireflection and Back Surface Field Designs

Yiling SUN, Zhenhai YANG, Pingqi GAO, Jian HE, Xi YANG, Jiang SHENG, Sudong WU, Yong XIANG^*, Jichun YE

^*Corresponding author for this work

Research output: Journal Publications › Journal Article (refereed) › peer-review

16 Citations (Scopus)

Abstract

Molybdenum oxide (MoO₃) is one of most suitable antireflection (AR) layers for silicon/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (Si/PEDOT:PSS) hybrid solar cells due to its well-matched refractive index (2.1). A simulation model was employed to predict the optical characteristics of Si/PEDOT:PSS hybrid solar cells with the MoO₃ layers as antireflection coatings (ARCs), as well as to analyze the loss in current density. By adding an optimum thickness of a 34-nm-thick ARC of MoO₃ on the front side and an effective rear back surface field (BSF) of phosphorus-diffused N⁺ layer at the rear side, the hybrid cells displayed higher light response in the visible and near infrared regions, boosting a short-circuit current density (J_sc) up to 28.7 mA/cm². The average power conversion efficiency (PCE) of the Si/PEDOT:PSS hybrid solar cells was thus increased up to 11.90 %, greater than the value of 9.23 % for the reference devices.

Original language	English
Article number	356
Number of pages	6
Journal	Nanoscale Research Letters
Volume	11
Issue number	1
Early online date	8 Aug 2016
DOIs	https://doi.org/10.1186/s11671-016-1560-0
Publication status	Published - Dec 2016
Externally published	Yes

Funding

This work is supported by Zhejiang Provincial Natural Science Foundation (No. LY14F040005, LR16F040002), National Natural Science Foundation of China (Grant No. 61404144, 51472044), Major Project and Key S&T Program of Ningbo (No. 2016B10004), International S&T Cooperation Program of Ningbo (Grant No. 2015D10021), “Thousand Young Talents Program” of China, One Hundred Person Project of the Chinese Academy of Sciences, and the Instrument Developing Project of the Chinese Academy of Sciences (No. yz201328).

Keywords

Antireflection layer
Hybrid solar cells
Si/PEDOT:PSS
Simulation

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abstract = "Molybdenum oxide (MoO3) is one of most suitable antireflection (AR) layers for silicon/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (Si/PEDOT:PSS) hybrid solar cells due to its well-matched refractive index (2.1). A simulation model was employed to predict the optical characteristics of Si/PEDOT:PSS hybrid solar cells with the MoO3 layers as antireflection coatings (ARCs), as well as to analyze the loss in current density. By adding an optimum thickness of a 34-nm-thick ARC of MoO3 on the front side and an effective rear back surface field (BSF) of phosphorus-diffused N+ layer at the rear side, the hybrid cells displayed higher light response in the visible and near infrared regions, boosting a short-circuit current density (Jsc) up to 28.7 mA/cm2. The average power conversion efficiency (PCE) of the Si/PEDOT:PSS hybrid solar cells was thus increased up to 11.90 %, greater than the value of 9.23 % for the reference devices.",

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AU - SUN, Yiling

AU - YANG, Zhenhai

AU - GAO, Pingqi

AU - HE, Jian

AU - YANG, Xi

AU - SHENG, Jiang

AU - WU, Sudong

AU - XIANG, Yong

AU - YE, Jichun

PY - 2016/12

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N2 - Molybdenum oxide (MoO3) is one of most suitable antireflection (AR) layers for silicon/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (Si/PEDOT:PSS) hybrid solar cells due to its well-matched refractive index (2.1). A simulation model was employed to predict the optical characteristics of Si/PEDOT:PSS hybrid solar cells with the MoO3 layers as antireflection coatings (ARCs), as well as to analyze the loss in current density. By adding an optimum thickness of a 34-nm-thick ARC of MoO3 on the front side and an effective rear back surface field (BSF) of phosphorus-diffused N+ layer at the rear side, the hybrid cells displayed higher light response in the visible and near infrared regions, boosting a short-circuit current density (Jsc) up to 28.7 mA/cm2. The average power conversion efficiency (PCE) of the Si/PEDOT:PSS hybrid solar cells was thus increased up to 11.90 %, greater than the value of 9.23 % for the reference devices.

AB - Molybdenum oxide (MoO3) is one of most suitable antireflection (AR) layers for silicon/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (Si/PEDOT:PSS) hybrid solar cells due to its well-matched refractive index (2.1). A simulation model was employed to predict the optical characteristics of Si/PEDOT:PSS hybrid solar cells with the MoO3 layers as antireflection coatings (ARCs), as well as to analyze the loss in current density. By adding an optimum thickness of a 34-nm-thick ARC of MoO3 on the front side and an effective rear back surface field (BSF) of phosphorus-diffused N+ layer at the rear side, the hybrid cells displayed higher light response in the visible and near infrared regions, boosting a short-circuit current density (Jsc) up to 28.7 mA/cm2. The average power conversion efficiency (PCE) of the Si/PEDOT:PSS hybrid solar cells was thus increased up to 11.90 %, greater than the value of 9.23 % for the reference devices.

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KW - Si/PEDOT:PSS

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Si/PEDOT:PSS Hybrid Solar Cells with Advanced Antireflection and Back Surface Field Designs

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