Ni,Ti-co-doped MoO2 nanoparticles with high stability and improved conductivity for hole transporting material in planar metal halide perovskite solar cells

Jin Hyuck Heo; Kyungmin Im; Hyong Joon Lee; Jinsoo Kim; Sang Hyuk Im

doi:10.1016/j.jiec.2020.11.010

Ni,Ti-co-doped MoO₂ nanoparticles with high stability and improved conductivity for hole transporting material in planar metal halide perovskite solar cells

Jin Hyuck Heo, Kyungmin Im, Hyong Joon Lee, Jinsoo Kim, Sang Hyuk Im

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

Abstract

Ni,Ti-co-doped MoO₂ nanoparticles with excellent moisture stability and improved conductivity are synthesized via solvothermal cracking process for hole transporting material (HTM) in metal halide perovskite solar cells (MHP SCs). The Ni,Ti-doped MoO₂ has similar oxidation state with pristine MoO₂, but has better reduction stability than the MoO₂ due to the weaker electronegativity of Ni and Ti than the Mo. Accordingly, the Ni,Ti-co-doped MoO₂ HTM based MHP SC has 18.1% of power conversion efficiency at 1 sun (100 mW/cm²) condition. In addition, the un-encapsulated Ni,Ti-co-doped MoO₂ HTM based MHP SC has 12–13% degradation after stability test under 85 °C/60% relative humidity for 20 days.

Original language	English
Pages (from-to)	376-383
Number of pages	8
Journal	Journal of Industrial and Engineering Chemistry
Volume	94
DOIs	https://doi.org/10.1016/j.jiec.2020.11.010
Publication status	Published - 2021 Feb 25
Externally published	Yes

Keywords

Hole transporting material
Moisture stability
Ni,Ti-co-doped MoO
Perovskite solar cells
Solvothermal cracking process

ASJC Scopus subject areas

Chemical Engineering(all)

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Ni,Ti-co-doped MoO₂ nanoparticles with high stability and improved conductivity for hole transporting material in planar metal halide perovskite solar cells. / Heo, Jin Hyuck; Im, Kyungmin; Lee, Hyong Joon; Kim, Jinsoo; Im, Sang Hyuk.

In: Journal of Industrial and Engineering Chemistry, Vol. 94, 25.02.2021, p. 376-383.

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

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abstract = "Ni,Ti-co-doped MoO2 nanoparticles with excellent moisture stability and improved conductivity are synthesized via solvothermal cracking process for hole transporting material (HTM) in metal halide perovskite solar cells (MHP SCs). The Ni,Ti-doped MoO2 has similar oxidation state with pristine MoO2, but has better reduction stability than the MoO2 due to the weaker electronegativity of Ni and Ti than the Mo. Accordingly, the Ni,Ti-co-doped MoO2 HTM based MHP SC has 18.1% of power conversion efficiency at 1 sun (100 mW/cm2) condition. In addition, the un-encapsulated Ni,Ti-co-doped MoO2 HTM based MHP SC has 12–13% degradation after stability test under 85 °C/60% relative humidity for 20 days.",

keywords = "Hole transporting material, Moisture stability, Ni,Ti-co-doped MoO, Perovskite solar cells, Solvothermal cracking process",

author = "Heo, {Jin Hyuck} and Kyungmin Im and Lee, {Hyong Joon} and Jinsoo Kim and Im, {Sang Hyuk}",

note = "Funding Information: J. H. Heo and K. Im have contributed equally to this work. This study was supported by the National Research Foundation of Korea (NRF) under the Ministry of Science, ICT & Future Planning (Basic Science Research Program (No. 2014R1A5A1009799 )). Publisher Copyright: {\textcopyright} 2020 The Korean Society of Industrial and Engineering Chemistry",

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AU - Im, Kyungmin

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AU - Kim, Jinsoo

AU - Im, Sang Hyuk

N1 - Funding Information: J. H. Heo and K. Im have contributed equally to this work. This study was supported by the National Research Foundation of Korea (NRF) under the Ministry of Science, ICT & Future Planning (Basic Science Research Program (No. 2014R1A5A1009799 )). Publisher Copyright: © 2020 The Korean Society of Industrial and Engineering Chemistry

PY - 2021/2/25

Y1 - 2021/2/25

N2 - Ni,Ti-co-doped MoO2 nanoparticles with excellent moisture stability and improved conductivity are synthesized via solvothermal cracking process for hole transporting material (HTM) in metal halide perovskite solar cells (MHP SCs). The Ni,Ti-doped MoO2 has similar oxidation state with pristine MoO2, but has better reduction stability than the MoO2 due to the weaker electronegativity of Ni and Ti than the Mo. Accordingly, the Ni,Ti-co-doped MoO2 HTM based MHP SC has 18.1% of power conversion efficiency at 1 sun (100 mW/cm2) condition. In addition, the un-encapsulated Ni,Ti-co-doped MoO2 HTM based MHP SC has 12–13% degradation after stability test under 85 °C/60% relative humidity for 20 days.

AB - Ni,Ti-co-doped MoO2 nanoparticles with excellent moisture stability and improved conductivity are synthesized via solvothermal cracking process for hole transporting material (HTM) in metal halide perovskite solar cells (MHP SCs). The Ni,Ti-doped MoO2 has similar oxidation state with pristine MoO2, but has better reduction stability than the MoO2 due to the weaker electronegativity of Ni and Ti than the Mo. Accordingly, the Ni,Ti-co-doped MoO2 HTM based MHP SC has 18.1% of power conversion efficiency at 1 sun (100 mW/cm2) condition. In addition, the un-encapsulated Ni,Ti-co-doped MoO2 HTM based MHP SC has 12–13% degradation after stability test under 85 °C/60% relative humidity for 20 days.

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KW - Moisture stability

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