Synergy Effect of Both 2,2,2‐Trifluoroethylamine Hydrochloride and SnF2 for Highly Stable FASnI3−xClx Perovskite Solar Cells

@inproceedings{Yu2019SynergyEO,
  title={Synergy Effect of Both 2,2,2‐Trifluoroethylamine Hydrochloride and SnF2 for Highly Stable FASnI3−xClx Perovskite Solar Cells},
  author={Bin-Bin Yu and Leiming Xu and Min Liao and Yinghui Wu and Fangzhou Liu and Zhenfei He and Jie Ding and W. Chen and Baofeng Tu and Yi Lin and Yudong Zhu and Xusheng Zhang and Weitang Yao and A. Djurisic and Jin-Song Hu and Zhubing He},
  year={2019}
}
17 Citations
A review of stability and progress in tin halide perovskite solar cell
Abstract A systematic understanding of degradation mechanism and parameters affecting the stability of tin-based perovskite solar cell (PSC) is essential to pave the way for its commercialization andExpand
Additive engineering for Sn-based PSCs: Enhancement of open-circuit voltage and fill factor
Abstract Perovskite solar cells (PSCs) have drawn much attention recently because of their outstanding photo-electrical performance, especially lead halide perovskites. However, the high toxicity ofExpand
Enhanced efficiency and stability in Sn-based perovskite solar cells with secondary crystallization growth
Abstract The conversion efficiencies reported for Tin (Sn) halide-based perovskite solar cells (PSCs) fall a large gap behind those of lead halide-based PSCs, mainly because of poor film quality ofExpand
Hydrazine dihydrochloride as a new additive to promote the performance of tin-based mixed organic cation perovskite solar cells
This work provides an easy approach to achieve a high performance of tin based perovskite solar cells via introducing the reductive additive of N2H4·2HCl into the perovskite precursor.
Interfacial engineering in lead-free tin-based perovskite solar cells
Abstract Lead (Pb)-free Tin (Sn)-based perovskite solar cells (PSCs) have been favored by the community due to their low toxicity, preferable bandgaps, and great potential to achieve high powerExpand
Recent progress in tin-based perovskite solar cells
As a rising star of third-generation photovoltaic technology, organic–inorganic halide perovskite solar cells (PSCs) have exhibited high power conversion efficiency. However, the most investigatedExpand
Stable tin perovskite solar cells developed via additive engineering
Tin perovskite solar cells (TPSCs) are promising for lead-free perovskite solar cells (PSCs) and have led to extensive research; however, the poor crystallinity and chemical stability of tinExpand
Suppressed oxidation of tin perovskite by Catechin for eco-friendly indoor photovoltaics
While fabricating tin (Sn)-based perovskite solar cells (PSCs), it is beneficial to tune the bandgap of the perovskite absorber layer by changing the ratio of halide ions, for improved performance.Expand
Toward highly efficient and stable Sn2+ and mixed Pb2+/Sn2+ based halide perovskite solar cells through device engineering
Lead halide perovskite (LHP) has gained tremendous attention from both academia and industry due to its excellent optical and electrical properties. To date, power conversion efficiency (PCE) of theExpand
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As a promising substitute for toxic lead-based perovskite, tin (Sn)-based halide perovskite has drawn much attention for photovoltaic applications. However, unsatisfied open-circuit voltage (VOC) andExpand
Control of Crystal Structures and Optical Properties with Hybrid Formamidinium and 2-Hydroxyethylammonium Cations for Mesoscopic Carbon-Electrode Tin-Based Perovskite Solar Cells
Alcohol-based bifunctional ammonium cations, 2-hydroxyethylammonium (HEA+), HO(CH2)2NH3+, were introduced into formamidinium (FA+) tin-based perovskites (HEAxFA1–xSnI3; x = 0–1) to absorb light inExpand
Diammonium Cations in the FASnI3 Perovskite Structure Lead to Lower Dark Currents and More Efficient Solar Cells
Hybrid halide perovskite solar cells with mixed cations demonstrate superior optical and electrical properties, especially for lead-based perovskite devices. Here, we report lead-free tin-basedExpand
Direct observation of cation-exchange in liquid-to-solid phase transformation in FA1−xMAxPbI3 based perovskite solar cells
Mixed-organic-cation FA1−xMAxPbI3 perovskites are currently attracting intensive attention for their high photovoltaic performance. However, FA1−xMAxPbI3 usually has an undesired non-perovskite phaseExpand
Enhanced Photovoltaic Performance of FASnI3-Based Perovskite Solar Cells with Hydrazinium Chloride Coadditive
For the fabrication of efficient Sn-based perovskite solar cells (PSCs), deposition of uniform and pinhole-free perovskite films with low Sn4+ content remains a crucial factor. In this work, weExpand
Highly Reproducible Sn-Based Hybrid Perovskite Solar Cells with 9% Efficiency
The low power conversion efficiency (PCE) of tin-based hybrid perovskite solar cells (HPSCs) is mainly attributed to the high background carrier density due to a high density of intrinsic defectsExpand
Improving the Performance of Inverted Formamidinium Tin Iodide Perovskite Solar Cells by Reducing the Energy-Level Mismatch
A new hole-transport layer, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate (PEDOT:PSS) with intercalated polyethylene glycol (PEG), was introduced into Pb-free inverted formamidinium tinExpand
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