Band-bending induced passivation: High performance and stable perovskite solar cells using a perhydropoly(silazane) precursor

Hiroyuki Kanda; Naoyuki Shibayama; Aron Joel Huckaba; Yonghui Lee; Sanghyun Paek; Nadja Klipfel; Cristina Roldán-Carmona; Valentin Ianis Emmanuel Queloz; Giulia Grancini; Yi Zhang; Mousa Abuhelaiqa; Kyung Taek Cho; Mo Li; Mounir Driss Mensi; Sachin Kinge; Mohammad Khaja Nazeeruddin

doi:10.1039/c9ee02028d

Band-bending induced passivation: High performance and stable perovskite solar cells using a perhydropoly(silazane) precursor

Hiroyuki Kanda, Naoyuki Shibayama, Aron Joel Huckaba, Yonghui Lee, Sanghyun Paek, Nadja Klipfel, Cristina Roldán-Carmona, Valentin Ianis Emmanuel Queloz, Giulia Grancini, Yi Zhang, Mousa Abuhelaiqa, Kyung Taek Cho, Mo Li, Mounir Driss Mensi, Sachin Kinge, Mohammad Khaja Nazeeruddin

Research output: Contribution to journal › Article › peer-review

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Abstract

Surface passivation of the perovskite photo absorber is a key factor to improve the photovoltaic performance. So far robust passivation strategies have not yet been revealed. Here, we demonstrate a successful passivation strategy which controls the Fermi-level of the perovskite surface by improving the surface states. Such Fermi-level control caused band-bending between the surface and bulk of the perovskite, which enhanced the hole-extraction from the absorber bulk to the HTM side. As an added benefit, the inorganic passivation layer improved the device light stability. By depositing a thick protection layer on the complete device, a remarkable waterproofing effect was obtained. As a result, an enhancement of V_OC and the conversion efficiency from 20.5% to 22.1% was achieved. We revealed these passivation mechanisms and used perhydropoly(silazane) (PHPS) derived silica to control the perovskite surface states.

Original language	English
Pages (from-to)	1222-1230
Number of pages	9
Journal	Energy and Environmental Science
Volume	13
Issue number	4
DOIs	https://doi.org/10.1039/c9ee02028d
State	Published - Apr 2020

Bibliographical note

Funding Information:
The authors acknowledge financial support from CTI 25590.1 PFNM-NM, Solaronix, Aubonne, Switzerland, Toyota Motor Corporation, US Army grant agreement no. W911NF-17-2-0122 and Toyota Motor Technical Centre, Advanced Technology Div., Hoge Wei 33, B-1930 Zaventum, Belgium. We thank Dr N. Valle, Dr P. Gratia, Dr B. E. Adib, and Dr J.-N. Audinoz at the Luxembourg Institute of Science and Technology for device characterization; and Dr S. Yasuno, and Dr T. Koganezawa at the Japan Synchrotron Radiation Research Institute (JASRI) and Y. Nakamura at Univ. Tokyo for discussions. The 2D-WAXS measurement was performed at SPring-8 at BL19B2 with the approval of the JASRI, proposal no. 2018B1809, 2018B1855 and 2018B1862, and the X-ray photoelectron spectroscopy measurement at SPring-8 at BL46XU with the approval of the JASRI, proposal no. 2018B1868 and 2019A1719. M. Li would like to thank the China Scholarship Council for a PhD grant (Grant No. 201506060156). The author acknowledge the Swiss National Science Foundation (SNSF) funding through the Ambizione Energy Project No. 646 HYPER (Grant No. PZENP2173641). The research leading to these results had received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 763977 of the PerTPV project. We acknowledge SNSF for financial support of the project: Tailored Design and in-depth understanding of perovskite solar materials using in-house developed 3D/4D nanoscale ion-beam analysis, project number:200020L_1729/1. N. Klipfel thanks the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No. 764787.

Publisher Copyright:
© The Royal Society of Chemistry.

ASJC Scopus subject areas

Environmental Chemistry
Renewable Energy, Sustainability and the Environment
Nuclear Energy and Engineering
Pollution

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Kanda, H., Shibayama, N., Huckaba, A. J., Lee, Y., Paek, S., Klipfel, N., Roldán-Carmona, C., Queloz, V. I. E., Grancini, G., Zhang, Y., Abuhelaiqa, M., Cho, K. T., Li, M., Mensi, M. D., Kinge, S., & Nazeeruddin, M. K. (2020). Band-bending induced passivation: High performance and stable perovskite solar cells using a perhydropoly(silazane) precursor. Energy and Environmental Science, 13(4), 1222-1230. https://doi.org/10.1039/c9ee02028d

@article{39e5777d8cea4d7ba76eee454c908bde,

title = "Band-bending induced passivation: High performance and stable perovskite solar cells using a perhydropoly(silazane) precursor",

abstract = "Surface passivation of the perovskite photo absorber is a key factor to improve the photovoltaic performance. So far robust passivation strategies have not yet been revealed. Here, we demonstrate a successful passivation strategy which controls the Fermi-level of the perovskite surface by improving the surface states. Such Fermi-level control caused band-bending between the surface and bulk of the perovskite, which enhanced the hole-extraction from the absorber bulk to the HTM side. As an added benefit, the inorganic passivation layer improved the device light stability. By depositing a thick protection layer on the complete device, a remarkable waterproofing effect was obtained. As a result, an enhancement of VOC and the conversion efficiency from 20.5% to 22.1% was achieved. We revealed these passivation mechanisms and used perhydropoly(silazane) (PHPS) derived silica to control the perovskite surface states.",

author = "Hiroyuki Kanda and Naoyuki Shibayama and Huckaba, {Aron Joel} and Yonghui Lee and Sanghyun Paek and Nadja Klipfel and Cristina Rold{\'a}n-Carmona and Queloz, {Valentin Ianis Emmanuel} and Giulia Grancini and Yi Zhang and Mousa Abuhelaiqa and Cho, {Kyung Taek} and Mo Li and Mensi, {Mounir Driss} and Sachin Kinge and Nazeeruddin, {Mohammad Khaja}",

note = "Funding Information: The authors acknowledge financial support from CTI 25590.1 PFNM-NM, Solaronix, Aubonne, Switzerland, Toyota Motor Corporation, US Army grant agreement no. W911NF-17-2-0122 and Toyota Motor Technical Centre, Advanced Technology Div., Hoge Wei 33, B-1930 Zaventum, Belgium. We thank Dr N. Valle, Dr P. Gratia, Dr B. E. Adib, and Dr J.-N. Audinoz at the Luxembourg Institute of Science and Technology for device characterization; and Dr S. Yasuno, and Dr T. Koganezawa at the Japan Synchrotron Radiation Research Institute (JASRI) and Y. Nakamura at Univ. Tokyo for discussions. The 2D-WAXS measurement was performed at SPring-8 at BL19B2 with the approval of the JASRI, proposal no. 2018B1809, 2018B1855 and 2018B1862, and the X-ray photoelectron spectroscopy measurement at SPring-8 at BL46XU with the approval of the JASRI, proposal no. 2018B1868 and 2019A1719. M. Li would like to thank the China Scholarship Council for a PhD grant (Grant No. 201506060156). The author acknowledge the Swiss National Science Foundation (SNSF) funding through the Ambizione Energy Project No. 646 HYPER (Grant No. PZENP2173641). The research leading to these results had received funding from the European Union{\textquoteright}s Horizon 2020 research and innovation programme under grant agreement No. 763977 of the PerTPV project. We acknowledge SNSF for financial support of the project: Tailored Design and in-depth understanding of perovskite solar materials using in-house developed 3D/4D nanoscale ion-beam analysis, project number:200020L_1729/1. N. Klipfel thanks the European Union{\textquoteright}s Horizon 2020 research and innovation programme under the Marie Sk{\l}odowska-Curie grant agreement No. 764787. Publisher Copyright: {\textcopyright} The Royal Society of Chemistry.",

year = "2020",

month = apr,

doi = "10.1039/c9ee02028d",

language = "English",

volume = "13",

pages = "1222--1230",

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Kanda, H, Shibayama, N, Huckaba, AJ, Lee, Y, Paek, S, Klipfel, N, Roldán-Carmona, C, Queloz, VIE, Grancini, G, Zhang, Y, Abuhelaiqa, M, Cho, KT, Li, M, Mensi, MD, Kinge, S & Nazeeruddin, MK 2020, 'Band-bending induced passivation: High performance and stable perovskite solar cells using a perhydropoly(silazane) precursor', Energy and Environmental Science, vol. 13, no. 4, pp. 1222-1230. https://doi.org/10.1039/c9ee02028d

TY - JOUR

T1 - Band-bending induced passivation

T2 - High performance and stable perovskite solar cells using a perhydropoly(silazane) precursor

AU - Kanda, Hiroyuki

AU - Shibayama, Naoyuki

AU - Huckaba, Aron Joel

AU - Lee, Yonghui

AU - Paek, Sanghyun

AU - Klipfel, Nadja

AU - Roldán-Carmona, Cristina

AU - Queloz, Valentin Ianis Emmanuel

AU - Grancini, Giulia

AU - Zhang, Yi

AU - Abuhelaiqa, Mousa

AU - Cho, Kyung Taek

AU - Li, Mo

AU - Mensi, Mounir Driss

AU - Kinge, Sachin

AU - Nazeeruddin, Mohammad Khaja

N1 - Funding Information: The authors acknowledge financial support from CTI 25590.1 PFNM-NM, Solaronix, Aubonne, Switzerland, Toyota Motor Corporation, US Army grant agreement no. W911NF-17-2-0122 and Toyota Motor Technical Centre, Advanced Technology Div., Hoge Wei 33, B-1930 Zaventum, Belgium. We thank Dr N. Valle, Dr P. Gratia, Dr B. E. Adib, and Dr J.-N. Audinoz at the Luxembourg Institute of Science and Technology for device characterization; and Dr S. Yasuno, and Dr T. Koganezawa at the Japan Synchrotron Radiation Research Institute (JASRI) and Y. Nakamura at Univ. Tokyo for discussions. The 2D-WAXS measurement was performed at SPring-8 at BL19B2 with the approval of the JASRI, proposal no. 2018B1809, 2018B1855 and 2018B1862, and the X-ray photoelectron spectroscopy measurement at SPring-8 at BL46XU with the approval of the JASRI, proposal no. 2018B1868 and 2019A1719. M. Li would like to thank the China Scholarship Council for a PhD grant (Grant No. 201506060156). The author acknowledge the Swiss National Science Foundation (SNSF) funding through the Ambizione Energy Project No. 646 HYPER (Grant No. PZENP2173641). The research leading to these results had received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 763977 of the PerTPV project. We acknowledge SNSF for financial support of the project: Tailored Design and in-depth understanding of perovskite solar materials using in-house developed 3D/4D nanoscale ion-beam analysis, project number:200020L_1729/1. N. Klipfel thanks the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No. 764787. Publisher Copyright: © The Royal Society of Chemistry.

PY - 2020/4

Y1 - 2020/4

N2 - Surface passivation of the perovskite photo absorber is a key factor to improve the photovoltaic performance. So far robust passivation strategies have not yet been revealed. Here, we demonstrate a successful passivation strategy which controls the Fermi-level of the perovskite surface by improving the surface states. Such Fermi-level control caused band-bending between the surface and bulk of the perovskite, which enhanced the hole-extraction from the absorber bulk to the HTM side. As an added benefit, the inorganic passivation layer improved the device light stability. By depositing a thick protection layer on the complete device, a remarkable waterproofing effect was obtained. As a result, an enhancement of VOC and the conversion efficiency from 20.5% to 22.1% was achieved. We revealed these passivation mechanisms and used perhydropoly(silazane) (PHPS) derived silica to control the perovskite surface states.

AB - Surface passivation of the perovskite photo absorber is a key factor to improve the photovoltaic performance. So far robust passivation strategies have not yet been revealed. Here, we demonstrate a successful passivation strategy which controls the Fermi-level of the perovskite surface by improving the surface states. Such Fermi-level control caused band-bending between the surface and bulk of the perovskite, which enhanced the hole-extraction from the absorber bulk to the HTM side. As an added benefit, the inorganic passivation layer improved the device light stability. By depositing a thick protection layer on the complete device, a remarkable waterproofing effect was obtained. As a result, an enhancement of VOC and the conversion efficiency from 20.5% to 22.1% was achieved. We revealed these passivation mechanisms and used perhydropoly(silazane) (PHPS) derived silica to control the perovskite surface states.

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Band-bending induced passivation: High performance and stable perovskite solar cells using a perhydropoly(silazane) precursor

Abstract

Bibliographical note

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UN SDGs

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