Effect of Rubidium Incorporation on the Structural, Electrical, and Photovoltaic Properties of Methylammonium Lead Iodide-Based Perovskite Solar Cells

doi:10.1021/acsami.7b13947

Title: Effect of Rubidium Incorporation on the Structural, Electrical, and Photovoltaic Properties of Methylammonium Lead Iodide-Based Perovskite Solar Cells

Abstract

We report the electrical properties of rubidium-incorporated methylammonium lead iodide ((Rb_xMA_1-x)PbI₃) films and the photovoltaic performance of (Rb_xMA_1-x)PbI₃ film-based p-i-n-type perovskite solar cells (PSCs). The incorporation of a small amount of Rb⁺ (x = 0.05) increases both the open circuit voltage (V_oc) and the short circuit photocurrent density (J_sc) of the PSCs, leading to an improved power conversion efficiency (PCE). However, a high fraction of Rb⁺ incorporation (x = 0.1 and 0.2) decreases the J_sc and thus the PCE, which is attributed to the phase segregation of the single tetragonal perovskite phase to a MA-rich tetragonal perovskite phase and a RbPbI₃ orthorhombic phase at high Rb fractions. Conductive atomic force microscopic and admittance spectroscopic analyses reveal that the single-phase (Rb_0.05MA_0.95)PbI₃ film has a high electrical conductivity because of a reduced deep-level trap density. We also found that Rb substitution enhances the diode characteristics of the PSC, as evidenced by the reduced reverse saturation current (J₀). The optimized (Rb_xMA_1-x)PbI₃ PSCs exhibited a PCE of 18.8% with negligible hysteresis in the photocurrent-voltage curve. The results from this work enhance the understanding of the effect of Rb incorporation into organic-inorganic hybrid halide perovskites and enable the exploration of Rb-incorporated mixed perovskites for variousmore »« less

Authors:

Park, Ik Jae ^[1]; Seo, Seongrok ^[2]; Park, Min Ah ^[1]; Lee, Sangwook ^[3]; Kim, Dong Hoe ^[4];

^[4]; Shin, Hyunjung ^[2];

^[1]

Seoul National Univ. (Korea, Republic of). Dept. of Materials Science and Engineering
Sungkyunkwan Univ., Suwon (Republic of Korea). Dept. of Energy Science
Kyungpook National Univ., Daegu (Korea, Republic of). School of Materials Science and Engineering
National Renewable Energy Lab. (NREL), Golden, CO (United States). Chemistry and Nanoscience Center

Publication Date:: 2017-11-10

Research Org.:: National Renewable Energy Lab. (NREL), Golden, CO (United States)

Sponsoring Org.:: USDOE Office of Energy Efficiency and Renewable Energy (EERE); National Research Foundation of Korea (NRF); Korea Institute of Energy Technology Evaluation and Planning (KETEP)

OSTI Identifier:: 1411135

Report Number(s):: NREL/JA-5900-70572
Journal ID: ISSN 1944-8244; TRN: US1800177

Grant/Contract Number:: AC36-08GO28308

Resource Type:: Accepted Manuscript

Journal Name:: ACS Applied Materials and Interfaces

Additional Journal Information:: Journal Volume: 9; Journal Issue: 48; Journal ID: ISSN 1944-8244

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 14 SOLAR ENERGY; 36 MATERIALS SCIENCE; conductivity; methylammonium lead halides; rubidium; solar cells; trap density of states

Citation Formats


                    Park, Ik Jae, Seo, Seongrok, Park, Min Ah, Lee, Sangwook, Kim, Dong Hoe, Zhu, Kai, Shin, Hyunjung, and Kim, Jin Young. Effect of Rubidium Incorporation on the Structural, Electrical, and Photovoltaic Properties of Methylammonium Lead Iodide-Based Perovskite Solar Cells.  United States: N. p., 2017. 
        Web.  doi:10.1021/acsami.7b13947.

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                    Park, Ik Jae, Seo, Seongrok, Park, Min Ah, Lee, Sangwook, Kim, Dong Hoe, Zhu, Kai, Shin, Hyunjung, & Kim, Jin Young. Effect of Rubidium Incorporation on the Structural, Electrical, and Photovoltaic Properties of Methylammonium Lead Iodide-Based Perovskite Solar Cells.  United States.  doi:10.1021/acsami.7b13947.

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                    Park, Ik Jae, Seo, Seongrok, Park, Min Ah, Lee, Sangwook, Kim, Dong Hoe, Zhu, Kai, Shin, Hyunjung, and Kim, Jin Young. Fri .  
        "Effect of Rubidium Incorporation on the Structural, Electrical, and Photovoltaic Properties of Methylammonium Lead Iodide-Based Perovskite Solar Cells".  United States.  doi:10.1021/acsami.7b13947.  https://www.osti.gov/servlets/purl/1411135.

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@article{osti_1411135,

  title        = {Effect of Rubidium Incorporation on the Structural, Electrical, and Photovoltaic Properties of Methylammonium Lead Iodide-Based Perovskite Solar Cells},

  author       = {Park, Ik Jae and Seo, Seongrok and Park, Min Ah and Lee, Sangwook and Kim, Dong Hoe and Zhu, Kai and Shin, Hyunjung and Kim, Jin Young},

  abstractNote = {We report the electrical properties of rubidium-incorporated methylammonium lead iodide ((RbxMA1-x)PbI3) films and the photovoltaic performance of (RbxMA1-x)PbI3 film-based p-i-n-type perovskite solar cells (PSCs). The incorporation of a small amount of Rb+ (x = 0.05) increases both the open circuit voltage (Voc) and the short circuit photocurrent density (Jsc) of the PSCs, leading to an improved power conversion efficiency (PCE). However, a high fraction of Rb+ incorporation (x = 0.1 and 0.2) decreases the Jsc and thus the PCE, which is attributed to the phase segregation of the single tetragonal perovskite phase to a MA-rich tetragonal perovskite phase and a RbPbI3 orthorhombic phase at high Rb fractions. Conductive atomic force microscopic and admittance spectroscopic analyses reveal that the single-phase (Rb0.05MA0.95)PbI3 film has a high electrical conductivity because of a reduced deep-level trap density. We also found that Rb substitution enhances the diode characteristics of the PSC, as evidenced by the reduced reverse saturation current (J0). The optimized (RbxMA1-x)PbI3 PSCs exhibited a PCE of 18.8% with negligible hysteresis in the photocurrent-voltage curve. The results from this work enhance the understanding of the effect of Rb incorporation into organic-inorganic hybrid halide perovskites and enable the exploration of Rb-incorporated mixed perovskites for various applications, such as solar cells, photodetectors, and light-emitting diodes.},

  doi          = {10.1021/acsami.7b13947},

  journal      = {ACS Applied Materials and Interfaces},

  number       = 48,

  volume       = 9,

  place        = {United States},

  year         = {2017},

  month        = {11}

}

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DOI: 10.1021/acsami.7b13947

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Works referencing / citing this record:

Compositional Engineering for Thermally Stable, Highly Efficient Perovskite Solar Cells Exceeding 20% Power Conversion Efficiency with 85 °C/85% 1000 h Stability
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Advanced Materials, Vol. 31, Issue 50
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A Review on Reducing Grain Boundaries and Morphological Improvement of Perovskite Solar Cells from Methodology and Material‐Based Perspectives
journal, September 2019

Choi, Hyuntae; Choi, Kyoungwon; Choi, Yelim
Small Methods, Vol. 4, Issue 5
DOI: 10.1002/smtd.201900569

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Title: Effect of Rubidium Incorporation on the Structural, Electrical, and Photovoltaic Properties of Methylammonium Lead Iodide-Based Perovskite Solar Cells

Abstract

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