Vapor-Assisted Ex-Situ Doping of Carbon Nanotube toward Efficient and Stable Perovskite Solar Cells

Tutkimustuotos: Lehtiartikkeli

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Vapor-Assisted Ex-Situ Doping of Carbon Nanotube toward Efficient and Stable Perovskite Solar Cells. / Lee, Jin Wook; Jeon, Il; Lin, Hao Sheng; Seo, Seungju; Han, Tae Hee; Anisimov, Anton; Kauppinen, Esko I.; Matsuo, Yutaka; Maruyama, Shigeo; Yang, Yang.

julkaisussa: Nano Letters, Vuosikerta 19, Nro 4, 12.2018, s. 2223-2230.

Tutkimustuotos: Lehtiartikkeli

Harvard

Lee, JW, Jeon, I, Lin, HS, Seo, S, Han, TH, Anisimov, A, Kauppinen, EI, Matsuo, Y, Maruyama, S & Yang, Y 2018, 'Vapor-Assisted Ex-Situ Doping of Carbon Nanotube toward Efficient and Stable Perovskite Solar Cells', Nano Letters, Vuosikerta. 19, Nro 4, Sivut 2223-2230. https://doi.org/10.1021/acs.nanolett.8b04190

APA

Lee, J. W., Jeon, I., Lin, H. S., Seo, S., Han, T. H., Anisimov, A., ... Yang, Y. (2018). Vapor-Assisted Ex-Situ Doping of Carbon Nanotube toward Efficient and Stable Perovskite Solar Cells. Nano Letters, 19(4), 2223-2230. https://doi.org/10.1021/acs.nanolett.8b04190

Vancouver

Author

Lee, Jin Wook ; Jeon, Il ; Lin, Hao Sheng ; Seo, Seungju ; Han, Tae Hee ; Anisimov, Anton ; Kauppinen, Esko I. ; Matsuo, Yutaka ; Maruyama, Shigeo ; Yang, Yang. / Vapor-Assisted Ex-Situ Doping of Carbon Nanotube toward Efficient and Stable Perovskite Solar Cells. Julkaisussa: Nano Letters. 2018 ; Vuosikerta 19, Nro 4. Sivut 2223-2230.

Bibtex - Lataa

@article{0cf836da7d9942379aec866c1867b596,
title = "Vapor-Assisted Ex-Situ Doping of Carbon Nanotube toward Efficient and Stable Perovskite Solar Cells",
abstract = "Single-walled carbon nanotubes (CNTs) has been considered as a promising material for a top electrode of perovskite solar cells owing to its hydrophobic nature, earth-abundance, and mechanical robustness. However, its poor conductivity, a shallow work function, and nonreflective nature have limited further enhancement in power conversion efficiency (PCE) of top CNT electrode-based perovskite solar cells. Here, we introduced a simple and scalable method to address these issues by utilizing an ex-situ vapor-assisted doping method. Trifluoromethanesulfonic acid (TFMS) vapor doping of the free-standing CNT sheet enabled tuning of conductivity and work function of the CNT electrode without damaging underneath layers. The sheet resistance of the CNT sheet was decreased by 21.3{\%} with an increase in work function from 4.75 to 4.96 eV upon doping of TFMS. In addition, recently developed 2D perovskite-protected Cs-containing formamidium lead iodide (FACsPbI3) technology was employed to maximize the absorption. Because of the lowered resistance, better energy alignment, and improved absorption, the CNT electrode-based PSCs produced a PCE of 17.6{\%} with a JSC of 24.21 mA/cm2, VOC of 1.005 V, and FF of 0.72. Furthermore, the resulting TFMS-doped CNT-PSCs demonstrated higher thermal and operational stability than bare CNT and metal electrode-based devices.",
keywords = "carbon nanotube, doping, electrode, Perovskite, stability",
author = "Lee, {Jin Wook} and Il Jeon and Lin, {Hao Sheng} and Seungju Seo and Han, {Tae Hee} and Anton Anisimov and Kauppinen, {Esko I.} and Yutaka Matsuo and Shigeo Maruyama and Yang Yang",
year = "2018",
month = "12",
doi = "10.1021/acs.nanolett.8b04190",
language = "English",
volume = "19",
pages = "2223--2230",
journal = "Nano Letters",
issn = "1530-6984",
publisher = "AMERICAN CHEMICAL SOCIETY",
number = "4",

}

RIS - Lataa

TY - JOUR

T1 - Vapor-Assisted Ex-Situ Doping of Carbon Nanotube toward Efficient and Stable Perovskite Solar Cells

AU - Lee, Jin Wook

AU - Jeon, Il

AU - Lin, Hao Sheng

AU - Seo, Seungju

AU - Han, Tae Hee

AU - Anisimov, Anton

AU - Kauppinen, Esko I.

AU - Matsuo, Yutaka

AU - Maruyama, Shigeo

AU - Yang, Yang

PY - 2018/12

Y1 - 2018/12

N2 - Single-walled carbon nanotubes (CNTs) has been considered as a promising material for a top electrode of perovskite solar cells owing to its hydrophobic nature, earth-abundance, and mechanical robustness. However, its poor conductivity, a shallow work function, and nonreflective nature have limited further enhancement in power conversion efficiency (PCE) of top CNT electrode-based perovskite solar cells. Here, we introduced a simple and scalable method to address these issues by utilizing an ex-situ vapor-assisted doping method. Trifluoromethanesulfonic acid (TFMS) vapor doping of the free-standing CNT sheet enabled tuning of conductivity and work function of the CNT electrode without damaging underneath layers. The sheet resistance of the CNT sheet was decreased by 21.3% with an increase in work function from 4.75 to 4.96 eV upon doping of TFMS. In addition, recently developed 2D perovskite-protected Cs-containing formamidium lead iodide (FACsPbI3) technology was employed to maximize the absorption. Because of the lowered resistance, better energy alignment, and improved absorption, the CNT electrode-based PSCs produced a PCE of 17.6% with a JSC of 24.21 mA/cm2, VOC of 1.005 V, and FF of 0.72. Furthermore, the resulting TFMS-doped CNT-PSCs demonstrated higher thermal and operational stability than bare CNT and metal electrode-based devices.

AB - Single-walled carbon nanotubes (CNTs) has been considered as a promising material for a top electrode of perovskite solar cells owing to its hydrophobic nature, earth-abundance, and mechanical robustness. However, its poor conductivity, a shallow work function, and nonreflective nature have limited further enhancement in power conversion efficiency (PCE) of top CNT electrode-based perovskite solar cells. Here, we introduced a simple and scalable method to address these issues by utilizing an ex-situ vapor-assisted doping method. Trifluoromethanesulfonic acid (TFMS) vapor doping of the free-standing CNT sheet enabled tuning of conductivity and work function of the CNT electrode without damaging underneath layers. The sheet resistance of the CNT sheet was decreased by 21.3% with an increase in work function from 4.75 to 4.96 eV upon doping of TFMS. In addition, recently developed 2D perovskite-protected Cs-containing formamidium lead iodide (FACsPbI3) technology was employed to maximize the absorption. Because of the lowered resistance, better energy alignment, and improved absorption, the CNT electrode-based PSCs produced a PCE of 17.6% with a JSC of 24.21 mA/cm2, VOC of 1.005 V, and FF of 0.72. Furthermore, the resulting TFMS-doped CNT-PSCs demonstrated higher thermal and operational stability than bare CNT and metal electrode-based devices.

KW - carbon nanotube

KW - doping

KW - electrode

KW - Perovskite

KW - stability

UR - http://www.scopus.com/inward/record.url?scp=85058541622&partnerID=8YFLogxK

U2 - 10.1021/acs.nanolett.8b04190

DO - 10.1021/acs.nanolett.8b04190

M3 - Article

VL - 19

SP - 2223

EP - 2230

JO - Nano Letters

JF - Nano Letters

SN - 1530-6984

IS - 4

ER -

ID: 30565821