دورية أكاديمية
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Halide Engineering in Mixed Halide Perovskite-Inspired Cu 2 AgBiI 6 for Solar Cells with Enhanced Performance.

التفاصيل البيبلوغرافية
العنوان: Halide Engineering in Mixed Halide Perovskite-Inspired Cu 2 AgBiI 6 for Solar Cells with Enhanced Performance.
المؤلفون: Sugathan V; Hybrid Solar Cells, Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, Tampere FI-33014, Finland., Liu M; Hybrid Solar Cells, Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, Tampere FI-33014, Finland., Pecoraro A; Department of Physics 'Ettore Pancini', University of Naples Federico II, Comp. Univ. Monte Sant'Angelo, Naples 80126, Italy., Das TK; Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot 7610001, Israel., Ruoko TP; Smart Photonic Materials, Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, Tampere FI-33101, Finland., Grandhi GK; Hybrid Solar Cells, Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, Tampere FI-33014, Finland., Manna D; Hybrid Solar Cells, Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, Tampere FI-33014, Finland., Ali-Löytty H; Surface Science Group, Photonics Laboratory, Tampere University, P.O. Box 692, Tampere FI-33014, Finland., Lahtonen K; Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 692, Tampere FI-33014, Finland., Muñoz-García AB; Department of Physics 'Ettore Pancini', University of Naples Federico II, Comp. Univ. Monte Sant'Angelo, Naples 80126, Italy., Pavone M; Department of Chemical Sciences, University of Naples Federico II, Comp. Univ. Monte Sant'Angelo, Naples 80126, Italy., Vivo P; Hybrid Solar Cells, Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, Tampere FI-33014, Finland.
المصدر: ACS applied materials & interfaces [ACS Appl Mater Interfaces] 2024 Apr 17; Vol. 16 (15), pp. 19026-19038. Date of Electronic Publication: 2024 Apr 03.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: American Chemical Society Country of Publication: United States NLM ID: 101504991 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1944-8252 (Electronic) Linking ISSN: 19448244 NLM ISO Abbreviation: ACS Appl Mater Interfaces Subsets: PubMed not MEDLINE; MEDLINE
أسماء مطبوعة: Original Publication: Washington, D.C. : American Chemical Society
مستخلص: Cu 2 AgBiI 6 (CABI) is a promising perovskite-inspired absorber for solar cells due to its direct band gap and high absorption coefficient. However, the nonradiative recombination caused by the high extrinsic trap density limits the performance of CABI-based solar cells. In this work, we employ halide engineering by doping bromide anions (Br - ) in CABI thin films, in turn significantly improving the power conversion efficiency (PCE). By introducing Br - in the synthetic route of CABI thin films, we identify the optimum composition as CABI-10Br (with 10% Br at the halide site). The tailored composition appears to reduce the deep trap density as shown by time-resolved photoluminescence and transient absorption spectroscopy characterizations. This leads to a dramatic increase in the lifetime of charge carriers, which therefore improves both the external quantum efficiency and the integrated short-circuit current. The photovoltaic performance shows a significant boost since the PCE under standard 1 sun illumination increases from 1.32 to 1.69% (∼30% relative enhancement). Systematic theoretical and experimental characterizations were employed to investigate the effect of Br - incorporation on the optoelectronic properties of CABI. Our results highlight the importance of mitigating trap states in lead-free perovskite-inspired materials and that Br - incorporation at the halide site is an effective strategy for improving the device performance.
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فهرسة مساهمة: Keywords: Cu2AgBiI6; efficiency; halide engineering; perovskite-inspired materials; solar cells; traps
تواريخ الأحداث: Date Created: 20240403 Latest Revision: 20240426
رمز التحديث: 20240426
مُعرف محوري في PubMed: PMC11040528
DOI: 10.1021/acsami.4c02406
PMID: 38569595
قاعدة البيانات: MEDLINE
الوصف
تدمد:1944-8252
DOI:10.1021/acsami.4c02406