title: 100 °C Thermal Stability of Printable Perovskite Solar Cells Using Porous Carbon Counter Electrodes.
abstract: Many efforts have been made towards improving perovskite (PVK) solar cell stability, but their thermal stability, particularly at 85 °C (IEC 61646 climate chamber tests), remains a challenge. Outdoors, the installed solar cell temperature can reach up to 85 °C, especially in desert regions, providing sufficient motivation to study the effect of temperature stress at or above this temperature (e.g., 100 °C) to confirm the commercial viability of PVK solar cells for industrial companies. In this work, a three-layer printable HTM-free CH3NH3PbI3PVK solar cell with a mesoporous carbon back contact and UV-curable sealant was fabricated and tested for thermal stability over 1500 h at 100 °C. Interestingly, the position of the UV-curing glue was found to drastically affect the device stability. The side-sealed cells show high PCE stability and represent a large step toward commercialization of next generation organic-inorganic lead halide PVK solar cells.
authors.affiliation: Department of Materials and Synchrotron Radiation Engineering, University of Hyogo, 2167, Shosha, Himeji, Japan.
authors.forename: Ajay K
authors.initials: AK
authors.lastname: Baranwal
authors.affiliation: Department of Materials and Synchrotron Radiation Engineering, University of Hyogo, 2167, Shosha, Himeji, Japan.
authors.forename: Shusaku
authors.initials: S
authors.lastname: Kanaya
authors.affiliation: Department of Materials and Synchrotron Radiation Engineering, University of Hyogo, 2167, Shosha, Himeji, Japan.|Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8904, Japan.
authors.forename: T A Nirmal
authors.initials: TA
authors.lastname: Peiris
authors.affiliation: Department of Materials and Synchrotron Radiation Engineering, University of Hyogo, 2167, Shosha, Himeji, Japan.
authors.forename: Gai
authors.initials: G
authors.lastname: Mizuta
authors.affiliation: Department of Materials and Synchrotron Radiation Engineering, University of Hyogo, 2167, Shosha, Himeji, Japan.
authors.forename: Tomoya
authors.initials: T
authors.lastname: Nishina
authors.affiliation: Department of Materials and Synchrotron Radiation Engineering, University of Hyogo, 2167, Shosha, Himeji, Japan.
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Kanda
authors.affiliation: Graduate School of Engineering, Toin University of Yokohama, 1614 Kurogane-cho, Aoba, Yokohama, Kanagawa, 225-8503, Japan.
authors.forename: Tsutomu
authors.initials: T
authors.lastname: Miyasaka
authors.affiliation: Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8904, Japan.
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Segawa
authors.affiliation: Department of Materials and Synchrotron Radiation Engineering, University of Hyogo, 2167, Shosha, Himeji, Japan. itou@eng.u-hyogo.ac.jp.
authors.forename: Seigo
authors.initials: S
authors.lastname: Ito
mesh_terms: D017610:Calcium Compounds / Q000737:chemistry*; D002244:Carbon / Q000737:chemistry*; D004355:Drug Stability; D011211:Electric Power Supplies; D004566:Electrodes; D010087:Oxides / Q000737:chemistry*; D016062:Porosity; D011327:Printing; D012993:Solar Energy; D013696:Temperature; D014025:Titanium / Q000737:chemistry*
chemical_list: D017610:Calcium Compounds; D010087:Oxides; C059910:perovskite; D002244:Carbon; D014025:Titanium
keywords: perovskite; porous carbon; solar cell; stability; thermal stress