The defects of ZnO nanorods passivated by ultra-thin Al2O3 film

Shibin Li; Detao Liu; Peng Zhang; Yafei Wang; Hojjatollah Sarvari; Yaoyu Xuan; Zhi David Chen

doi:10.1149/07202.0275ecst

The defects of ZnO nanorods passivated by ultra-thin Al₂O₃ film

Shibin Li
, Detao Liu
, Peng Zhang
, Yafei Wang
, Hojjatollah Sarvari
, Yaoyu Xuan
, Zhi David Chen

Producción científica: Conference contribution › revisión exhaustiva

3 Citas (Scopus)

Resumen

Despite dramatically improved efficiency of inorganic-organic metal hybrid perovskite solar cells (PSCs), electron transport is still a challenging issue. In this paper, we report the use of hydrothermal self-assembling ZnO nanorods as electron transport layer in perovskite solar cells. The efficiency of perovskite solar cells is dramatically enhanced by passivating the interface defects via atomic layer deposition of Al₂O₃ monolayers on ZnO nanorods. By employing Al₂O₃ monolayers, the power conversion efficiency (PCE) of CH₃NH₃PbI₃ (MAPbI₃) PSCs is typically boosted from ∼10.38% to 14.27% on average, with the highest efficiency of 15.35%. We suggest that passivation of defects using atomic layer deposition of monolayers might provide a new pathway for improving all types of PSCs.

Idioma original	English
Título de la publicación alojada	Dielectrics for Nanosystems 7
Subtítulo de la publicación alojada	Materials Science, Processing, Reliability, and Manufacturing
Editores	D. Misra, D. Bauza, Z. Chen, K. B. Sundaram, Y. S. Obeng, T. Chikyow, H. Iwai
Páginas	275-285
Número de páginas	11
Edición	2
ISBN (versión digital)	9781607687122
DOI	https://doi.org/10.1149/07202.0275ecst
Estado	Published - 2016
Evento	Symposium on Dielectrics for Nanosystems 7: Materials Science, Processing, Reliability, and Manufacturing - 229th ECS Meeting - San Diego, United States Duración: may 29 2016 → jun 2 2016

Serie de la publicación

Nombre	ECS Transactions
Número	2
Volumen	72
ISSN (versión impresa)	1938-6737
ISSN (versión digital)	1938-5862

Conference

Conference	Symposium on Dielectrics for Nanosystems 7: Materials Science, Processing, Reliability, and Manufacturing - 229th ECS Meeting
País/Territorio	United States
Ciudad	San Diego
Período	5/29/16 → 6/2/16

Nota bibliográfica

Publisher Copyright:
©The Electrochemical Society.

Financiación

This work was supported by National Natural Science Foundation of China under Grant Nos.61474016 and 61405026, 61371046, 61421002, 6157031208, 61471085, and National Higher-education Institution General Research and Development Fund (ZYGX2014J044), Projects of International Cooperation of Sichuan Province (No.2014HH0041). This work was also partially supported by University of Kentucky.

Financiadores	Número del financiador
International Cooperation of Sichuan Province	2014HH0041
National Higher-education Institution General Research and Development Fund	ZYGX2014J044
University of Kentucky
National Natural Science Foundation of China (NSFC)	61471085, 61474016, 6157031208, 61371046, 61405026, 61421002

ASJC Scopus subject areas

General Engineering

Acceder al documento

10.1149/07202.0275ecst

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Citar esto

Li, S., Liu, D., Zhang, P., Wang, Y., Sarvari, H., Xuan, Y., & Chen, Z. D. (2016). The defects of ZnO nanorods passivated by ultra-thin Al₂O₃ film. En D. Misra, D. Bauza, Z. Chen, K. B. Sundaram, Y. S. Obeng, T. Chikyow, & H. Iwai (Eds.), Dielectrics for Nanosystems 7: Materials Science, Processing, Reliability, and Manufacturing (2 ed., pp. 275-285). (ECS Transactions; Vol. 72, N.º 2). https://doi.org/10.1149/07202.0275ecst

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title = "The defects of ZnO nanorods passivated by ultra-thin Al2O3 film",

abstract = "Despite dramatically improved efficiency of inorganic-organic metal hybrid perovskite solar cells (PSCs), electron transport is still a challenging issue. In this paper, we report the use of hydrothermal self-assembling ZnO nanorods as electron transport layer in perovskite solar cells. The efficiency of perovskite solar cells is dramatically enhanced by passivating the interface defects via atomic layer deposition of Al2O3 monolayers on ZnO nanorods. By employing Al2O3 monolayers, the power conversion efficiency (PCE) of CH3NH3PbI3 (MAPbI3) PSCs is typically boosted from ∼10.38\% to 14.27\% on average, with the highest efficiency of 15.35\%. We suggest that passivation of defects using atomic layer deposition of monolayers might provide a new pathway for improving all types of PSCs.",

author = "Shibin Li and Detao Liu and Peng Zhang and Yafei Wang and Hojjatollah Sarvari and Yaoyu Xuan and Chen, \{Zhi David\}",

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Li, S, Liu, D, Zhang, P, Wang, Y, Sarvari, H, Xuan, Y & Chen, ZD 2016, The defects of ZnO nanorods passivated by ultra-thin Al₂O₃ film. En D Misra, D Bauza, Z Chen, KB Sundaram, YS Obeng, T Chikyow & H Iwai (eds.), Dielectrics for Nanosystems 7: Materials Science, Processing, Reliability, and Manufacturing. 2 ed., ECS Transactions, n.º 2, vol. 72, pp. 275-285, Symposium on Dielectrics for Nanosystems 7: Materials Science, Processing, Reliability, and Manufacturing - 229th ECS Meeting, San Diego, United States, 5/29/16. https://doi.org/10.1149/07202.0275ecst

The defects of ZnO nanorods passivated by ultra-thin Al₂O₃ film. / Li, Shibin; Liu, Detao; Zhang, Peng et al.
Dielectrics for Nanosystems 7: Materials Science, Processing, Reliability, and Manufacturing. ed. / D. Misra; D. Bauza; Z. Chen; K. B. Sundaram; Y. S. Obeng; T. Chikyow; H. Iwai. 2. ed. 2016. p. 275-285 (ECS Transactions; Vol. 72, N.º 2).

Producción científica: Conference contribution › revisión exhaustiva

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AU - Sarvari, Hojjatollah

AU - Xuan, Yaoyu

AU - Chen, Zhi David

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AB - Despite dramatically improved efficiency of inorganic-organic metal hybrid perovskite solar cells (PSCs), electron transport is still a challenging issue. In this paper, we report the use of hydrothermal self-assembling ZnO nanorods as electron transport layer in perovskite solar cells. The efficiency of perovskite solar cells is dramatically enhanced by passivating the interface defects via atomic layer deposition of Al2O3 monolayers on ZnO nanorods. By employing Al2O3 monolayers, the power conversion efficiency (PCE) of CH3NH3PbI3 (MAPbI3) PSCs is typically boosted from ∼10.38% to 14.27% on average, with the highest efficiency of 15.35%. We suggest that passivation of defects using atomic layer deposition of monolayers might provide a new pathway for improving all types of PSCs.

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