Are formation and adsorption energies enough to evaluate the stability of surface-passivated tin-based halide perovskites?

Zheng, Yapeng; Fang, Zhi; Shang, Minghui; Sun, Qizhen; Hou, Xinmei; Yang, Weiyou

doi:10.1039/d3mh00221g

Mater. Horiz.

2023

DOI: 10.1039/d3mh00221g

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Are formation and adsorption energies enough to evaluate the stability of surface-passivated tin-based halide perovskites?

Yapeng Zheng

Zhi Fang

Minghui Shang

et al.

Abstract: Surface passivation is one of effective and widely-used strategies to enhance the stability of halide perovskites with reduced surface defects and suppressed hysteresis. Among all existed reports, the formation and...

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2024

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Cited by 3 publications

References 43 publications

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Hydrogen Bonds Induced Ultralong Stability of Conductive π–d Conjugated FeCo₃(DDA)₂ with High OER Activity

Lin,

Zhang,

Liang

et al. 2024

Advanced Materials

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Conductive π‐d conjugated metal‐organic frameworks (MOFs) have attracted wide concerns in electrocatalysis due to their intrinsic high conductivity. However, the poor electrocatalytic stability is still a major problem that hinders the practical application of MOFs. Herein, we report a novel approach to enhancing the stability of MOF‐based electrocatalyst, namely, the introduction of hydrogen bonds (H‐bonds). Impressively, the π‐d conjugated MOF FeCo3(DDA)2 exhibits ultra‐high oxygen evolution reaction (OER) stability (up to 2000 h). The experimental studies demonstrate that the presence of H‐bonds in FeCo3(DDA)2 is responsible for its ultra‐high OER stability. Besides that, FeCo3(DDA)2 also displays a prominent OER activity (an overpotential of 260 mV versus RHE at a current density of 10 mA cm−2 and a Tafel slope of 46.86 mV dec−1). Density functional theory (DFT) calculations further indicate that the synergistic effect of the Fe and Co sites in FeCo3(DDA)2 contributes to its prominent OER performance. This work provides a new avenue of boosting the electrocatalytic stability of conductive π‐d conjugated MOFs.This article is protected by copyright. All rights reserved

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Hydrogen Bonds Induced Ultralong Stability of Conductive π–d Conjugated FeCo₃(DDA)₂ with High OER Activity

Lin,

Zhang,

Liang

et al. 2024

Advanced Materials

View full text Add to dashboard Cite

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Towards operation‐stabilizing perovskite solar cells: Fundamental materials, device designs, and commercial applications

Qin,

Che,

Kang

et al. 2024

InfoMat

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Over the last decade, perovskite solar cells (PSCs) have drawn extensive attention owing to their high power conversion efficiency (single junction: 26.1%, perovskite/silicon tandem: 33.9%) and low fabrication cost. However, the short lifespan of PSCs with initial efficiency still blocks their practical applications. This operational instability may originate from the intrinsic and extrinsic degradation of materials or devices. Although the lifetime of PSCs has been prolonged through component, crystal, defect, interface, encapsulation engineering, and so on, the systematic analysis of failure regularity for PSCs from the perspective of materials and devices against multiple operating stressors is indispensable. In this review, we start with elaboration of the predominant degradation pathways and mechanism for PSCs under working stressors. Then the strategies for improving long‐term durability with respect to fundamental materials, interface designs, and device encapsulation have been summarized. Meanwhile, the key results have been discussed to understand the limitation of assessing PSCs stability, and the potential applications in indoor photovoltaics and wearable electronics are demonstrated. Finally, promising proposals, encompassing material processing, film formation, interface strengthening, structure designing, and device encapsulation, are provided to improve the operational stability of PSCs and promote their commercialization.image

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Supramolecular design principles in pseudohalides for high-performance perovskite solar mini modules

Song,

Kim,

Cho

et al. 2024

Joule

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Are formation and adsorption energies enough to evaluate the stability of surface-passivated tin-based halide perovskites?

Abstract: Surface passivation is one of effective and widely-used strategies to enhance the stability of halide perovskites with reduced surface defects and suppressed hysteresis. Among all existed reports, the formation and...

Cited by 3 publications

References 43 publications

Hydrogen Bonds Induced Ultralong Stability of Conductive π–d Conjugated FeCo₃(DDA)₂ with High OER Activity

Hydrogen Bonds Induced Ultralong Stability of Conductive π–d Conjugated FeCo₃(DDA)₂ with High OER Activity

Towards operation‐stabilizing perovskite solar cells: Fundamental materials, device designs, and commercial applications

Supramolecular design principles in pseudohalides for high-performance perovskite solar mini modules

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Are formation and adsorption energies enough to evaluate the stability of surface-passivated tin-based halide perovskites?

Abstract: Surface passivation is one of effective and widely-used strategies to enhance the stability of halide perovskites with reduced surface defects and suppressed hysteresis. Among all existed reports, the formation and...

Cited by 3 publications

References 43 publications

Hydrogen Bonds Induced Ultralong Stability of Conductive π–d Conjugated FeCo3(DDA)2 with High OER Activity

Hydrogen Bonds Induced Ultralong Stability of Conductive π–d Conjugated FeCo3(DDA)2 with High OER Activity

Towards operation‐stabilizing perovskite solar cells: Fundamental materials, device designs, and commercial applications

Supramolecular design principles in pseudohalides for high-performance perovskite solar mini modules

Contact Info

Product

Resources

About

Hydrogen Bonds Induced Ultralong Stability of Conductive π–d Conjugated FeCo₃(DDA)₂ with High OER Activity

Hydrogen Bonds Induced Ultralong Stability of Conductive π–d Conjugated FeCo₃(DDA)₂ with High OER Activity