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Title: Efficient semitransparent perovskite solar cells for 23.0%-efficiency perovskite/silicon four-terminal tandem cells

Here, we have investigated semi-transparent perovskite solar cells and infrared enhanced silicon heterojunction cells for high-efficiency tandem devices. A semi-transparent metal electrode with good electrical conductivity and optical transparency has been fabricated by thermal evaporation of 7 nm of Au onto a 1-nm-thick Cu seed layer. For this electrode to reach its full potential, MAPbI3 thin films were formed by a modified one-step spin-coating method, resulting in a smooth layer that allowed the subsequent metal thin film to remain continuous. The fabricated semi-transparent perovskite solar cells demonstrated 16.5% efficiency under one-sun illumination, and were coupled with infrared-enhanced silicon heterojunction cells tuned specifically for perovskite/Si tandem devices. A double-layer antireflection coating at the front side and MgF2 reflector at rear side of the silicon heterojunction cells reduced parasitic absorption of near-infrared light, leading to 6.5% efficiency after filtering with a perovskite device and 23.0% summed efficiency for the perovskite/Si tandem device.
Authors:
 [1] ;  [1] ;  [2] ;  [1] ;  [1] ;  [1] ;  [1] ;  [2] ;  [1] ;  [2] ;  [1]
  1. Univ. of Nebraska-Lincoln, Lincoln, NE (United States)
  2. Arizona State Univ., Tempe, AZ (United States)
Publication Date:
Grant/Contract Number:
EE0006709; EE0006335
Type:
Accepted Manuscript
Journal Name:
Advanced Energy Materials
Additional Journal Information:
Journal Volume: 6; Journal Issue: 19; Journal ID: ISSN 1614-6832
Publisher:
Wiley
Research Org:
Univ. of Nebraska-Lincoln, Lincoln, NE (United States)
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 25 ENERGY STORAGE; semi-transparent; metal electrode; perovskite solar cell; silicon solar cell; tandem
OSTI Identifier:
1342622
Alternate Identifier(s):
OSTI ID: 1400993

Chen, Bo, Bai, Yang, Yu, Zhengshan, Li, Tao, Zheng, Xiaopeng, Dong, Qingfeng, Shen, Liang, Boccard, Mathieu, Gruverman, Alexei, Holman, Zachary, and Huang, Jinsong. Efficient semitransparent perovskite solar cells for 23.0%-efficiency perovskite/silicon four-terminal tandem cells. United States: N. p., Web. doi:10.1002/aenm.201601128.
Chen, Bo, Bai, Yang, Yu, Zhengshan, Li, Tao, Zheng, Xiaopeng, Dong, Qingfeng, Shen, Liang, Boccard, Mathieu, Gruverman, Alexei, Holman, Zachary, & Huang, Jinsong. Efficient semitransparent perovskite solar cells for 23.0%-efficiency perovskite/silicon four-terminal tandem cells. United States. doi:10.1002/aenm.201601128.
Chen, Bo, Bai, Yang, Yu, Zhengshan, Li, Tao, Zheng, Xiaopeng, Dong, Qingfeng, Shen, Liang, Boccard, Mathieu, Gruverman, Alexei, Holman, Zachary, and Huang, Jinsong. 2016. "Efficient semitransparent perovskite solar cells for 23.0%-efficiency perovskite/silicon four-terminal tandem cells". United States. doi:10.1002/aenm.201601128. https://www.osti.gov/servlets/purl/1342622.
@article{osti_1342622,
title = {Efficient semitransparent perovskite solar cells for 23.0%-efficiency perovskite/silicon four-terminal tandem cells},
author = {Chen, Bo and Bai, Yang and Yu, Zhengshan and Li, Tao and Zheng, Xiaopeng and Dong, Qingfeng and Shen, Liang and Boccard, Mathieu and Gruverman, Alexei and Holman, Zachary and Huang, Jinsong},
abstractNote = {Here, we have investigated semi-transparent perovskite solar cells and infrared enhanced silicon heterojunction cells for high-efficiency tandem devices. A semi-transparent metal electrode with good electrical conductivity and optical transparency has been fabricated by thermal evaporation of 7 nm of Au onto a 1-nm-thick Cu seed layer. For this electrode to reach its full potential, MAPbI3 thin films were formed by a modified one-step spin-coating method, resulting in a smooth layer that allowed the subsequent metal thin film to remain continuous. The fabricated semi-transparent perovskite solar cells demonstrated 16.5% efficiency under one-sun illumination, and were coupled with infrared-enhanced silicon heterojunction cells tuned specifically for perovskite/Si tandem devices. A double-layer antireflection coating at the front side and MgF2 reflector at rear side of the silicon heterojunction cells reduced parasitic absorption of near-infrared light, leading to 6.5% efficiency after filtering with a perovskite device and 23.0% summed efficiency for the perovskite/Si tandem device.},
doi = {10.1002/aenm.201601128},
journal = {Advanced Energy Materials},
number = 19,
volume = 6,
place = {United States},
year = {2016},
month = {7}
}

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