Carrier gradients and the role of charge selective contacts in lateral heterojunction all back contact perovskite solar cells
Abstract
Realizing photovoltaic devices that achieve the full potential of the metal halide perovskite material will require improved insight regarding the role of selective contacts and how key interfaces operate when mobile defects are present. However, measuring interface properties in typical device stacks where the perovskite layer is thin and sandwiched between two contacts has been a challenge. Here, we fabricate p-i-n and p-n lateral heterojunctions with nickel oxide/titanium oxide all back contacts, permitting us to employ a comprehensive analysis approach, including ultraviolet and X-ray photoemission spectroscopy (UPS/XPS), angle-resolved X-ray absorption spectroscopy (XAS), Kelvin probe force microscopy (KPFM), surface photovoltage (SPV), hyperspectral imaging (HSI), and time-resolved fluorescence lifetime imaging microscopy (TR-FLIM) to discern the role of selective contacts. Specifically, we tune the selectivity of the contacts, changing the gradient in the carrier concentration across the surface of the active layer, which is connected to carrier extraction at the buried interface, and thus the device functionality.
- Authors:
-
- National Renewable Energy Lab. (NREL), Golden, CO (United States); Univ. of Colorado, Boulder, CO (United States)
- Institut Photovoltaique d’Ile-de-France, Palaiseau (France); Univ. Paris-Saclay, Gif-sur-Yvette (France); Centre National de la Recherche Scientifique (CNRS) (France)
- Institut Photovoltaique d’Ile-de-France, Palaiseau (France); Centre National de la Recherche Scientifique (CNRS) (France); Ecole Polytechnique, Palaiseau (France)
- Institut Photovoltaique d’Ile-de-France, Palaiseau (France); Univ. of Versailles Saint-Quentin-en-Yvelines (France)
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Institut Photovoltaique d’Ile-de-France, Palaiseau (France); EDF R&D, Palaiseau (France)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Institut Photovoltaique d’Ile-de-France, Palaiseau (France); Univ. Paris-Saclay, Gif-sur-Yvette (France); Centre National de la Recherche Scientifique (CNRS) (France); Sorbonne Univ., Paris (France)
- Publication Date:
- Research Org.:
- National Renewable Energy Lab. (NREL), Golden, CO (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office; Agence Nationale de la Recherché (ANR); European Union’s Horizon 2020; USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1847262
- Report Number(s):
- NREL/JA-5K00-79740
Journal ID: ISSN 2666-3864; MainId:36960;UUID:cd939bbb-b207-444b-b0e6-c0e32a2e923e;MainAdminID:63952
- Grant/Contract Number:
- AC36-08GO28308; FOA-0000990; ANR-17-MPGA0012; N845612; AC02-76SF00515
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Cell Reports Physical Science
- Additional Journal Information:
- Journal Volume: 2; Journal Issue: 8; Journal ID: ISSN 2666-3864
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE; carrier concentration; lateral heterojunction; perovskite solar cells; contact selectivity; photoemission spectroscopy
Citation Formats
Dunfield, Sean P., Bojar, Aleksandra, Cacovich, Stefania, Frégnaux, Mathieu, Klein, Talysa, Bramante, Rosemary, Zhang, Fei, Regaldo, Davide, Dufoulon, Vincent, Puel, Jean-Baptiste, Teeter, Glenn, Luther, Joseph M., Bouttemy, Muriel, Nordlund, Dennis, Zhu, Kai, Moore, David T., van Hest, Maikel F.A.M., Kleider, Jean-Paul, Berry, Joseph J., and Schulz, Philip. Carrier gradients and the role of charge selective contacts in lateral heterojunction all back contact perovskite solar cells. United States: N. p., 2021.
Web. doi:10.1016/j.xcrp.2021.100520.
Dunfield, Sean P., Bojar, Aleksandra, Cacovich, Stefania, Frégnaux, Mathieu, Klein, Talysa, Bramante, Rosemary, Zhang, Fei, Regaldo, Davide, Dufoulon, Vincent, Puel, Jean-Baptiste, Teeter, Glenn, Luther, Joseph M., Bouttemy, Muriel, Nordlund, Dennis, Zhu, Kai, Moore, David T., van Hest, Maikel F.A.M., Kleider, Jean-Paul, Berry, Joseph J., & Schulz, Philip. Carrier gradients and the role of charge selective contacts in lateral heterojunction all back contact perovskite solar cells. United States. https://doi.org/10.1016/j.xcrp.2021.100520
Dunfield, Sean P., Bojar, Aleksandra, Cacovich, Stefania, Frégnaux, Mathieu, Klein, Talysa, Bramante, Rosemary, Zhang, Fei, Regaldo, Davide, Dufoulon, Vincent, Puel, Jean-Baptiste, Teeter, Glenn, Luther, Joseph M., Bouttemy, Muriel, Nordlund, Dennis, Zhu, Kai, Moore, David T., van Hest, Maikel F.A.M., Kleider, Jean-Paul, Berry, Joseph J., and Schulz, Philip. Sat .
"Carrier gradients and the role of charge selective contacts in lateral heterojunction all back contact perovskite solar cells". United States. https://doi.org/10.1016/j.xcrp.2021.100520. https://www.osti.gov/servlets/purl/1847262.
@article{osti_1847262,
title = {Carrier gradients and the role of charge selective contacts in lateral heterojunction all back contact perovskite solar cells},
author = {Dunfield, Sean P. and Bojar, Aleksandra and Cacovich, Stefania and Frégnaux, Mathieu and Klein, Talysa and Bramante, Rosemary and Zhang, Fei and Regaldo, Davide and Dufoulon, Vincent and Puel, Jean-Baptiste and Teeter, Glenn and Luther, Joseph M. and Bouttemy, Muriel and Nordlund, Dennis and Zhu, Kai and Moore, David T. and van Hest, Maikel F.A.M. and Kleider, Jean-Paul and Berry, Joseph J. and Schulz, Philip},
abstractNote = {Realizing photovoltaic devices that achieve the full potential of the metal halide perovskite material will require improved insight regarding the role of selective contacts and how key interfaces operate when mobile defects are present. However, measuring interface properties in typical device stacks where the perovskite layer is thin and sandwiched between two contacts has been a challenge. Here, we fabricate p-i-n and p-n lateral heterojunctions with nickel oxide/titanium oxide all back contacts, permitting us to employ a comprehensive analysis approach, including ultraviolet and X-ray photoemission spectroscopy (UPS/XPS), angle-resolved X-ray absorption spectroscopy (XAS), Kelvin probe force microscopy (KPFM), surface photovoltage (SPV), hyperspectral imaging (HSI), and time-resolved fluorescence lifetime imaging microscopy (TR-FLIM) to discern the role of selective contacts. Specifically, we tune the selectivity of the contacts, changing the gradient in the carrier concentration across the surface of the active layer, which is connected to carrier extraction at the buried interface, and thus the device functionality.},
doi = {10.1016/j.xcrp.2021.100520},
journal = {Cell Reports Physical Science},
number = 8,
volume = 2,
place = {United States},
year = {Sat Jul 31 00:00:00 EDT 2021},
month = {Sat Jul 31 00:00:00 EDT 2021}
}
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