Organic-inorganic hybrid perovskite – TiO2 nanorod arrays for efficient and stable photoelectrochemical hydrogen evolution from HI splitting

J. Luo; H. Yang; Z. Liu; F. Li; S. Liu; J. Ma; B. Liu

doi:10.1016/j.mtchem.2018.11.001

Organic-inorganic hybrid perovskite – TiO₂ nanorod arrays for efficient and stable photoelectrochemical hydrogen evolution from HI splitting

J. Luo
, H. Yang
, Z. Liu
, F. Li
, S. Liu
, J. Ma
, B. Liu^*

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

42 Citations (Scopus)

Abstract

Solar-driven photoelectrochemical (PEC) hydrogen production offers a promising solution to simultaneously tackle the global energy crisis and the environmental pollution. Herein, we report a PEC cell of organic-inorganic hybrid perovskite (methylammonium lead iodide, MAPbI₃)-TiO₂ nanorod array (TNAs) for efficient and stable hydrogen evolution in aqueous hydrogen iodide (HI) solution. The built-in electric field created across the MAPbI₃-TiO₂ junction is able to efficiently separate the electron-hole pairs photogenerated in MAPbI₃ with electrons quickly injected from MAPbI₃ to TiO₂, which are then transported along the one-dimensional TiO₂ nanorod channels to the counter electrode to reduce proton to evolve hydrogen. The optimized MAPbI₃-TNA PEC cell exhibits a high photocurrent density of 1.75 mA cm⁻² at 0.14 V (vs. Ag/AgCl) under AM 1.5G illumination, which is able to stably produce molecular hydrogen at a rate of 33.3 μmol cm⁻² h⁻¹ for more than 8 h. © 2018 Elsevier Ltd

Original language	English
Pages (from-to)	1-6
Journal	Materials Today Chemistry
Volume	12
Online published	31 Dec 2018
DOIs	https://doi.org/10.1016/j.mtchem.2018.11.001
Publication status	Published - Jun 2019
Externally published	Yes

Funding

This work is supported by Singapore Ministry of Education Academic Research Fund (AcRF) Tier 1: RG111/15 and RG10/16, and Tier 2: MOE2016-T2-2-004. Foundation of State Key Laboratory Breeding Base of Nuclear Resources and Environment, East China University of Technology (Grant No. NRE1602).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Research Keywords

Heterojunction
Hydrogen evolution
Nanorod arrays
Perovskite
Photoelectrochemical

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10.1016/j.mtchem.2018.11.001

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Cite this

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title = "Organic-inorganic hybrid perovskite – TiO2 nanorod arrays for efficient and stable photoelectrochemical hydrogen evolution from HI splitting",

abstract = "Solar-driven photoelectrochemical (PEC) hydrogen production offers a promising solution to simultaneously tackle the global energy crisis and the environmental pollution. Herein, we report a PEC cell of organic-inorganic hybrid perovskite (methylammonium lead iodide, MAPbI3)-TiO2 nanorod array (TNAs) for efficient and stable hydrogen evolution in aqueous hydrogen iodide (HI) solution. The built-in electric field created across the MAPbI3-TiO2 junction is able to efficiently separate the electron-hole pairs photogenerated in MAPbI3 with electrons quickly injected from MAPbI3 to TiO2, which are then transported along the one-dimensional TiO2 nanorod channels to the counter electrode to reduce proton to evolve hydrogen. The optimized MAPbI3-TNA PEC cell exhibits a high photocurrent density of 1.75 mA cm−2 at 0.14 V (vs. Ag/AgCl) under AM 1.5G illumination, which is able to stably produce molecular hydrogen at a rate of 33.3 μmol cm−2 h−1 for more than 8 h. {\textcopyright} 2018 Elsevier Ltd",

keywords = "Heterojunction, Hydrogen evolution, Nanorod arrays, Perovskite, Photoelectrochemical",

author = "J. Luo and H. Yang and Z. Liu and F. Li and S. Liu and J. Ma and B. Liu",

year = "2019",

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TY - JOUR

T1 - Organic-inorganic hybrid perovskite – TiO2 nanorod arrays for efficient and stable photoelectrochemical hydrogen evolution from HI splitting

AU - Luo, J.

AU - Yang, H.

AU - Liu, Z.

AU - Li, F.

AU - Liu, S.

AU - Ma, J.

AU - Liu, B.

PY - 2019/6

Y1 - 2019/6

N2 - Solar-driven photoelectrochemical (PEC) hydrogen production offers a promising solution to simultaneously tackle the global energy crisis and the environmental pollution. Herein, we report a PEC cell of organic-inorganic hybrid perovskite (methylammonium lead iodide, MAPbI3)-TiO2 nanorod array (TNAs) for efficient and stable hydrogen evolution in aqueous hydrogen iodide (HI) solution. The built-in electric field created across the MAPbI3-TiO2 junction is able to efficiently separate the electron-hole pairs photogenerated in MAPbI3 with electrons quickly injected from MAPbI3 to TiO2, which are then transported along the one-dimensional TiO2 nanorod channels to the counter electrode to reduce proton to evolve hydrogen. The optimized MAPbI3-TNA PEC cell exhibits a high photocurrent density of 1.75 mA cm−2 at 0.14 V (vs. Ag/AgCl) under AM 1.5G illumination, which is able to stably produce molecular hydrogen at a rate of 33.3 μmol cm−2 h−1 for more than 8 h. © 2018 Elsevier Ltd

AB - Solar-driven photoelectrochemical (PEC) hydrogen production offers a promising solution to simultaneously tackle the global energy crisis and the environmental pollution. Herein, we report a PEC cell of organic-inorganic hybrid perovskite (methylammonium lead iodide, MAPbI3)-TiO2 nanorod array (TNAs) for efficient and stable hydrogen evolution in aqueous hydrogen iodide (HI) solution. The built-in electric field created across the MAPbI3-TiO2 junction is able to efficiently separate the electron-hole pairs photogenerated in MAPbI3 with electrons quickly injected from MAPbI3 to TiO2, which are then transported along the one-dimensional TiO2 nanorod channels to the counter electrode to reduce proton to evolve hydrogen. The optimized MAPbI3-TNA PEC cell exhibits a high photocurrent density of 1.75 mA cm−2 at 0.14 V (vs. Ag/AgCl) under AM 1.5G illumination, which is able to stably produce molecular hydrogen at a rate of 33.3 μmol cm−2 h−1 for more than 8 h. © 2018 Elsevier Ltd

KW - Heterojunction

KW - Hydrogen evolution

KW - Nanorod arrays

KW - Perovskite

KW - Photoelectrochemical

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U2 - 10.1016/j.mtchem.2018.11.001

DO - 10.1016/j.mtchem.2018.11.001

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