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Interfacial seed-assisted FAPbI crystallization and phase stabilization enhance the performance of all-air-processed perovskite solar cells.
Dalton Trans
January 2025
State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), School of Materials Science and Engineering, Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
Formamidinium lead triiodide (FAPbI) has received significant attention in the field of perovskite solar cells (PSCs) owing to its excellent optoelectronic properties and high thermal stability. However, the photoactive α-FAPbI perovskites are highly susceptible to degradation into non-perovskite δ-FAPbI phases, especially under humid conditions, which severely diminishes the device performance of FAPbI PSCs. Here, we propose an interfacial seeding strategy for regulating crystallization and stabilizing α-FAPbI perovskites in humid air.
View Article and Find Full Text PDFAnti-Scattering Perovskite Scintillator Arrays for High-Resolution Computed Tomography Imaging.
Adv Mater
January 2025
State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China.
Computed tomography (CT) imaging has emerge as an effective medical diagnostic technique due to its rapid and 3D imaging capabilities, often employing indirect imaging methods through scintillator materials. Arraying scintillators that can confine light scattering to enable high-resolution CT imaging remains an area of ongoing exploration for emerging perovskite scintillators. Here an anti-scattering cesium lead bromide (CsPbBr) scintillator array embedded within a polyurethane acrylate matrix for CT imaging using a cost-effective solution-processed method is reported.
View Article and Find Full Text PDFThe level of radioactive cesium in food that is generally consumed in the rehydrated state can be calculated from measurements taken in the dried state using the specific weight change rate set by the Ministry of Health, Labour and Welfare. However, only a few dried foods have a specified weight change rate. Accurate specific weight change rates are critical in determining the compliance of a dried food item with Japanese maximum limits (JMLs) for radioactivity.
View Article and Find Full Text PDFDispersion behavior of Fukushima-derived Cs over the North Pacific with emphasis on its sensitivity to vertical velocity and diffusion.
Mar Pollut Bull
January 2025
Ocean Environment Institute, Oceanic Consulting and Trading, Seoul, Republic of Korea.
This study simulated the dispersion of Cs in the North Pacific using a Lagrangian particle model, incorporating basin-wide atmospheric deposition and direct release from the Fukushima accident. Three experiments examined the impact of vertical diffusion and velocity on dispersion behavior. EXP01 and EXP02 assumed zero vertical velocity with different vertical diffusion coefficients (1 × 10 and 2 × 10 m/s, respectively), while EXP03 used a 3-day average vertical velocity and the same diffusion coefficient as EXP01.
View Article and Find Full Text PDFCorrection to: Retaliation of Alstonia scholaris (L.) R.Br. to caesium and strontium in hydroponics: effect on morpho‑physiology and induction of enzymatic defence.
Environ Monit Assess
January 2025
Atomic Energy Regulatory Board, Niyamak Bhavan, Anushakti Nagar, Mumbai, 400094, India.
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