Journal ArticleDOI
Dopant-Free Hole-Transporting Materials for Stable and Efficient Perovskite Solar Cells.
Sanghyun Paek,Peng Qin,Yonghui Lee,Kyung Taek Cho,Peng Gao,Giulia Grancini,Emad Oveisi,Paul Gratia,Kasparas Rakstys,Shaheen A. Al-Muhtaseb,Christian Ludwig,Jaejung Ko,Mohammad Khaja Nazeeruddin +12 more
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TLDR
It is found that the maximum power output collected after 1300 h remained 65% of its initial value, which opens up new avenue for efficient and stable PSCs exploring new materials as alternatives to Spiro-OMeTAD.Abstract:
Molecularly engineered novel dopant-free hole-transporting materials for perovskite solar cells (PSCs) combined with mixed-perovskite (FAPbI3)0.85(MAPbBr3)0.15 (MA: CH3NH3+, FA: NH=CHNH3+) that exhibit an excellent power conversion efficiency of 18.9% under AM 1.5 conditions are investigated. The mobilities of FA-CN, and TPA-CN are determined to be 1.2 × 10−4 cm2 V−1 s−1 and 1.1 × 10−4 cm2 V−1 s−1, respectively. Exceptional stability up to 500 h is measured with the PSC based on FA-CN. Additionally, it is found that the maximum power output collected after 1300 h remained 65% of its initial value. This opens up new avenue for efficient and stable PSCs exploring new materials as alternatives to Spiro-OMeTAD.read more
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Journal ArticleDOI
Application of a Tetra‐TPD‐Type Hole‐Transporting Material Fused by a Tröger's Base Core in Perovskite Solar Cells
Titas Braukyla,Rui Xia,Tadas Malinauskas,Maryte Daskeviciene,Artiom Magomedov,Egidijus Kamarauskas,Vygintas Jankauskas,Zhaofu Fei,Cristina Roldán-Carmona,Cristina Momblona,Mohammad Khaja Nazeeruddin,Paul J. Dyson,Vytautas Getautis +12 more
Journal ArticleDOI
A carbazole-based dopant-free hole-transport material for perovskite solar cells by increasing the molecular conjugation
TL;DR: In this paper, a novel carbazole-based dopant-free hole-transport material (HTM) is introduced via the simple ring-closing reaction without using the expensive catalyst.
Journal ArticleDOI
Green-solvent Processable Dopant-free Hole Transporting Materials for Inverted Perovskite Solar Cells.
TL;DR: In this paper , a star-shaped D-A-D structure was constructed for perovskite solar cells to solve the trade-off of high hole mobility and defect passivation.
Journal ArticleDOI
Role of direct and inverted undoped spiro-OMeTAD-perovskite architectures in determining solar cells performances: an investigation via electrical impedance spectroscopy
Marianna Ambrico,Paolo F. Ambrico,Luisa De Marco,Rosabianca Iacobellis,Arianna D'Abramo,Teresa Ligonzo +5 more
TL;DR: An investigation on the reasoning behind the dependence of the perovskite solar cells photovoltaic efficiencies on the relative position of the undoped spiro-OMeTAD hole-transport material with respect to the perOVskite in the device.
Journal ArticleDOI
Growth of CH3NH3PbI3 Perovskite on Stainless Steel Substrate Layered by ZnO Nanoparticles Using One-Step Spin Coating Route
TL;DR: In this article, the authors reported the preparation of CH3NH3PbI3 perovskite using one-step spin coating route for solar cell application, which was then characterized by means of XRD, SEM/EDX, and Spectroscopic Ellipsometry.
References
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Journal ArticleDOI
Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells
TL;DR: Two organolead halide perovskite nanocrystals were found to efficiently sensitize TiO(2) for visible-light conversion in photoelectrochemical cells, which exhibit strong band-gap absorptions as semiconductors.
Journal ArticleDOI
Efficient Hybrid Solar Cells Based on Meso-Superstructured Organometal Halide Perovskites
Michael M. Lee,Joël Teuscher,Tsutomu Miyasaka,Takurou N. Murakami,Takurou N. Murakami,Henry J. Snaith +5 more
TL;DR: A low-cost, solution-processable solar cell, based on a highly crystalline perovskite absorber with intense visible to near-infrared absorptivity, that has a power conversion efficiency of 10.9% in a single-junction device under simulated full sunlight is reported.
Journal ArticleDOI
Sequential deposition as a route to high-performance perovskite-sensitized solar cells
Julian Burschka,Norman Pellet,Norman Pellet,Soo-Jin Moon,Robin Humphry-Baker,Peng Gao,Mohammad Khaja Nazeeruddin,Michael Grätzel +7 more
TL;DR: A sequential deposition method for the formation of the perovskite pigment within the porous metal oxide film that greatly increases the reproducibility of their performance and allows the fabrication of solid-state mesoscopic solar cells with unprecedented power conversion efficiencies and high stability.
Journal ArticleDOI
Efficient planar heterojunction perovskite solar cells by vapour deposition
TL;DR: It is shown that perovskite absorbers can function at the highest efficiencies in simplified device architectures, without the need for complex nanostructures.
Journal ArticleDOI
Lead Iodide Perovskite Sensitized All-Solid-State Submicron Thin Film Mesoscopic Solar Cell with Efficiency Exceeding 9%
Hui-Seon Kim,Chang-Ryul Lee,Jeong-Hyeok Im,Ki Beom Lee,Thomas Moehl,Arianna Marchioro,Soo-Jin Moon,Robin Humphry-Baker,Jun-Ho Yum,Jacques-E. Moser,Michael Grätzel,Nam-Gyu Park +11 more
TL;DR: The use of a solid hole conductor dramatically improved the device stability compared to (CH3NH3)PbI3 -sensitized liquid junction cells.