Journal ArticleDOI
Charge behavior modulation by titanium-carbide quantum dots and nanosheets for efficient perovskite solar cells
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TLDR
In this paper, the authors explored a promising strategy to exploit MXenes in the application of perovskite solar cells (PSCs) by taking advantage of zero and two-dimensional Ti3C2, achieving an enhancement of photoelectric conversion efficiency from 12.0% to 17.1%.About:
This article is published in Materials Today Energy.The article was published on 2020-12-01. It has received 20 citations till now. The article focuses on the topics: Perovskite (structure) & Quantum dot.read more
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Fluorine Functionalized MXene QDs for Near‐Record‐Efficiency CsPbI3 Solar Cell with High Open‐Circuit Voltage
Dongfang Xu,Tong Li,Yu Han,Xue-Jun He,Shaomin Yang,Yuhang Che,Jie Xu,Hong Zou,Xi Guo,Jungang Wang,Xuruo Lei,Zhike Liu +11 more
TL;DR: In this paper , functionalized Ti3C2Fx quantum dots (QDs) are selected as interface passivators to enhance the performance of CsPbI3 PSCs.
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Two-dimensional Ti3C2 MXene-based nanostructures for emerging optoelectronic applications
Xu Chen,Zhifeng Shi,Yongtao Tian,Pei Lin,Di Wu,Xinjian Li,Bin Dong,Wen Xu,Wen Xu,Xiaosheng Fang +9 more
TL;DR: In this paper, the fundamental properties and preparation of pure and functionalized two-dimensional transition-metal carbides, carbonitrides and nitrides, as well as their optoelectronic applications are summarized.
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Construction of novel In2S3/Ti3C2 MXene quantum dots/SmFeO3 Z-scheme heterojunctions for efficient photocatalytic removal of sulfamethoxazole and 4-chlorophenol: Degradation pathways and mechanism insights
TL;DR: In this paper , an indirect Z-scheme MXene quantum dots (MQDs) bridged In 2 S 3 /SmFeO 3 (IMS) heterojunction was successfully fabricated.
Journal ArticleDOI
Application of MXenes in Perovskite Solar Cells: A Short Review.
TL;DR: In this paper, the progress made so far in using Ti3C2Tx MXene materials in the building blocks of perovskite solar cells such as electrodes, hole transport layer (HTL), electron transport layer(ETL), and perovsite photoactive layer is reviewed.
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Chlorine-terminated MXene quantum dots for improving crystallinity and moisture stability in high-performance perovskite solar cells
TL;DR: In this paper , the authors introduced the Cl-terminated Ti3C2Clx QDs as additives in perovskite precursor solution by one-step deposition method, and they achieved an enhanced efficiency of 21.31% with an ultrahigh open-circuit voltage of 1.19 V and negligible hysteresis.
References
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Journal ArticleDOI
Quantification of ion migration in CH3NH3PbI3 perovskite solar cells by transient capacitance measurements
Moritz H. Futscher,Ju Min Lee,Lucie McGovern,Loreta A. Muscarella,Tianyi Wang,Muhammad Irfan Haider,Azhar Fakharuddin,Lukas Schmidt-Mende,Bruno Ehrler +8 more
TL;DR: In this paper, transient ion-drift measurements were used to quantify activation energy, diffusion coefficient, and concentration of mobile ions in methylammonium lead triiodide (MAPbI3) perovskite solar cells, and find that their properties change close to the tetragonal-toorthorhombic phase transition temperature.
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Infrared Light Management Using a Nanocrystalline Silicon Oxide Interlayer in Monolithic Perovskite/Silicon Heterojunction Tandem Solar Cells with Efficiency above 25%
Luana Mazzarella,Yen-Hung Lin,Simon Kirner,Anna Belen Morales-Vilches,Lars Korte,Steve Albrecht,Steve Albrecht,Ed Crossland,Bernd Stannowski,Chris Case,Henry J. Snaith,Rutger Schlatmann +11 more
TL;DR: In this article, it was shown that the infrared reflection losses in tandem cells processed on a flat silicon substrate can be significantly reduced by using an optical interlayer consisting of nanocrystalline silicon oxide.
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Ratiometric photoluminescence sensing based on Ti3C2 MXene quantum dots as an intracellular pH sensor
Xu Chen,Xueke Sun,Wen Xu,Gencai Pan,Donglei Zhou,Jinyang Zhu,He Wang,Xue Bai,Biao Dong,Hongwei Song +9 more
TL;DR: A ratiometric pH sensor is developed to quantitatively monitor the intracellular pH values of a new class of surface-functionalized MXene quantum dots, Ti3C2, by the sonication cutting and hydrothermal approach and further explored their intrracellular pH sensing.
Journal ArticleDOI
High Electrical Conductivity 2D MXene Serves as Additive of Perovskite for Efficient Solar Cells.
Zhanglin Guo,Liguo Gao,Zhenhua Xu,Siow Hwa Teo,Chu Zhang,Yusuke Kamata,Shuzi Hayase,Tingli Ma +7 more
TL;DR: The Ti3 C2 Tx MXene is incorporated into the perovskite absorber layer for the first time, which aims for efficiency enhancement and it is found that the high electrical conductivity and mobility of MXene can accelerate the charge transfer.
Journal ArticleDOI
MXene-Contacted Silicon Solar Cells with 11.5% Efficiency
Hui-Chun Fu,Vinoth Ramalingam,Hyunho Kim,Chun-Ho Lin,Xiaosheng Fang,Husam N. Alshareef,Jr-Hau He +6 more
TL;DR: In this article, the authors reported that their work was funded by King Abdullah University of Science and Technology (KAUST) Baseline Funds, KAUST Sensor Initiative, KK Solar Center, and KK Catalysis Center.