27%-Efficiency Four-Terminal Perovskite/Silicon Tandem Solar Cells by Sandwiched Gold Nanomesh

Ziyu Wang, Xuejie Zhu, Shengnan Zuo, Ming Chen, Cong Zhang, Chenyu Wang, Xiaodong Ren, Zhou Yang, Zhike Liu, Xixiang Xu, Qing Chang, Shaofei Yang, Fanying Meng, Zhengxin Liu, Ningyi Yuan, Jianning Ding, Shengzhong Liu, Dong Yang

Research output: Contribution to journalArticle

Abstract

Multijunction/tandem solar cells have naturally attracted great attention because they are not subject to the Shockley–Queisser limit. Perovskite solar cells are ideal candidates for the top cell in multijunction/tandem devices due to the high power conversion efficiency (PCE) and relatively low voltage loss. Herein, sandwiched gold nanomesh between MoO3 layers is designed as a transparent electrode. The large surface tension of MoO3 effectively improves wettability for gold, resulting in Frank–van der Merwe growth to produce an ultrathin gold nanomesh layer, which guarantees not only excellent conductivity but also great optical transparency, which is particularly important for a multijunction/tandem solar cell. The top MoO3 layer reduces the reflection at the gold layer to further increase light transmission. As a result, the semitransparent perovskite cell shows an 18.3% efficiency, the highest reported for this type of device. When the semitransparent perovskite device is mechanically stacked with a heterojunction silicon solar cell of 23.3% PCE, it yields a combined efficiency of 27.0%, higher than those of both the sub-cells. This breakthrough in elevating the efficiency of semitransparent and multijunction/tandem devices can help to break the Shockley–Queisser limit.

Original languageEnglish (US)
Article number1908298
JournalAdvanced Functional Materials
Volume30
Issue number4
DOIs
StatePublished - Jan 1 2020

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Silicon
Gold
Perovskite
Solar cells
solar cells
gold
silicon
Conversion efficiency
cells
Silicon solar cells
Light transmission
Transparency
light transmission
Surface tension
Wetting
Heterojunctions
wettability
low voltage
heterojunctions
interfacial tension

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Wang, Ziyu ; Zhu, Xuejie ; Zuo, Shengnan ; Chen, Ming ; Zhang, Cong ; Wang, Chenyu ; Ren, Xiaodong ; Yang, Zhou ; Liu, Zhike ; Xu, Xixiang ; Chang, Qing ; Yang, Shaofei ; Meng, Fanying ; Liu, Zhengxin ; Yuan, Ningyi ; Ding, Jianning ; Liu, Shengzhong ; Yang, Dong. / 27%-Efficiency Four-Terminal Perovskite/Silicon Tandem Solar Cells by Sandwiched Gold Nanomesh. In: Advanced Functional Materials. 2020 ; Vol. 30, No. 4.
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abstract = "Multijunction/tandem solar cells have naturally attracted great attention because they are not subject to the Shockley–Queisser limit. Perovskite solar cells are ideal candidates for the top cell in multijunction/tandem devices due to the high power conversion efficiency (PCE) and relatively low voltage loss. Herein, sandwiched gold nanomesh between MoO3 layers is designed as a transparent electrode. The large surface tension of MoO3 effectively improves wettability for gold, resulting in Frank–van der Merwe growth to produce an ultrathin gold nanomesh layer, which guarantees not only excellent conductivity but also great optical transparency, which is particularly important for a multijunction/tandem solar cell. The top MoO3 layer reduces the reflection at the gold layer to further increase light transmission. As a result, the semitransparent perovskite cell shows an 18.3{\%} efficiency, the highest reported for this type of device. When the semitransparent perovskite device is mechanically stacked with a heterojunction silicon solar cell of 23.3{\%} PCE, it yields a combined efficiency of 27.0{\%}, higher than those of both the sub-cells. This breakthrough in elevating the efficiency of semitransparent and multijunction/tandem devices can help to break the Shockley–Queisser limit.",
author = "Ziyu Wang and Xuejie Zhu and Shengnan Zuo and Ming Chen and Cong Zhang and Chenyu Wang and Xiaodong Ren and Zhou Yang and Zhike Liu and Xixiang Xu and Qing Chang and Shaofei Yang and Fanying Meng and Zhengxin Liu and Ningyi Yuan and Jianning Ding and Shengzhong Liu and Dong Yang",
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Wang, Z, Zhu, X, Zuo, S, Chen, M, Zhang, C, Wang, C, Ren, X, Yang, Z, Liu, Z, Xu, X, Chang, Q, Yang, S, Meng, F, Liu, Z, Yuan, N, Ding, J, Liu, S & Yang, D 2020, '27%-Efficiency Four-Terminal Perovskite/Silicon Tandem Solar Cells by Sandwiched Gold Nanomesh', Advanced Functional Materials, vol. 30, no. 4, 1908298. https://doi.org/10.1002/adfm.201908298

27%-Efficiency Four-Terminal Perovskite/Silicon Tandem Solar Cells by Sandwiched Gold Nanomesh. / Wang, Ziyu; Zhu, Xuejie; Zuo, Shengnan; Chen, Ming; Zhang, Cong; Wang, Chenyu; Ren, Xiaodong; Yang, Zhou; Liu, Zhike; Xu, Xixiang; Chang, Qing; Yang, Shaofei; Meng, Fanying; Liu, Zhengxin; Yuan, Ningyi; Ding, Jianning; Liu, Shengzhong; Yang, Dong.

In: Advanced Functional Materials, Vol. 30, No. 4, 1908298, 01.01.2020.

Research output: Contribution to journalArticle

TY - JOUR

T1 - 27%-Efficiency Four-Terminal Perovskite/Silicon Tandem Solar Cells by Sandwiched Gold Nanomesh

AU - Wang, Ziyu

AU - Zhu, Xuejie

AU - Zuo, Shengnan

AU - Chen, Ming

AU - Zhang, Cong

AU - Wang, Chenyu

AU - Ren, Xiaodong

AU - Yang, Zhou

AU - Liu, Zhike

AU - Xu, Xixiang

AU - Chang, Qing

AU - Yang, Shaofei

AU - Meng, Fanying

AU - Liu, Zhengxin

AU - Yuan, Ningyi

AU - Ding, Jianning

AU - Liu, Shengzhong

AU - Yang, Dong

PY - 2020/1/1

Y1 - 2020/1/1

N2 - Multijunction/tandem solar cells have naturally attracted great attention because they are not subject to the Shockley–Queisser limit. Perovskite solar cells are ideal candidates for the top cell in multijunction/tandem devices due to the high power conversion efficiency (PCE) and relatively low voltage loss. Herein, sandwiched gold nanomesh between MoO3 layers is designed as a transparent electrode. The large surface tension of MoO3 effectively improves wettability for gold, resulting in Frank–van der Merwe growth to produce an ultrathin gold nanomesh layer, which guarantees not only excellent conductivity but also great optical transparency, which is particularly important for a multijunction/tandem solar cell. The top MoO3 layer reduces the reflection at the gold layer to further increase light transmission. As a result, the semitransparent perovskite cell shows an 18.3% efficiency, the highest reported for this type of device. When the semitransparent perovskite device is mechanically stacked with a heterojunction silicon solar cell of 23.3% PCE, it yields a combined efficiency of 27.0%, higher than those of both the sub-cells. This breakthrough in elevating the efficiency of semitransparent and multijunction/tandem devices can help to break the Shockley–Queisser limit.

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