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A Structurally Simple Polymer Donor Enables High-Efficiency Organic Solar Cells with Minimal Energy Losses.
Angew Chem Int Ed Engl
March 2025
South China University of Technology, State Key Laboratory of Luminescent Materials and Devices, Wushan Road 381, 510640, Guangzhou, CHINA.
Energy loss (Eloss) between optical energy gap (Eg) and open-circuit voltage (eVoc) sets efficiency upper limits for organic solar cells (OSCs). Nevertheless, further breaking the limit of Eloss in OSCs is challenging, especially via structurally simple materials in binary OSCs. Herein, a structurally simple non-halogenated polymer donor, namely PBDCT, is developed for realizing high-efficiency OSCs with record-breaking Eloss.
View Article and Find Full Text PDFSingle-Atom Catalysts Boosted Electrochemiluminescence.
Chempluschem
March 2025
Shanghai University, Chemistry, Shangda Road 99, 200444, Shanghai, CHINA.
Electrochemiluminescence (ECL) combines electrochemical redox processes with photochemical light emission, offering exceptional sensitivity, spatial control, and stability. Widely applied in biosensing, medical diagnostics, and environmental monitoring, its efficiency often depends on advanced catalytic materials. Single-atom catalysts (SACs), featuring isolated metal atoms dispersed on a support, have emerged as promising candidates due to their unique electronic structures, high atom utilization, and tunable catalytic properties.
View Article and Find Full Text PDFPhotoinduced Dynamics of [N(C3H7)4]2Cu4Br6 Thin Films with Dual Self-Trapped Exciton Emission and Negative Thermal Quenching.
Chemphyschem
March 2025
Universität Siegen, Physikalische Chemie, Adolf-Reichwein-Str. 2, 57076, Siegen, GERMANY.
Organic-inorganic halocuprates(I) form a promising class of light-emitting materials with high photoluminescence (PL) quantum yield. However, the understanding of their emission properties and the PL mechanism is still limited. Here, we investigate thin films of bis(tetrapropylammonium) hexa-µ-bromo-tetrahedro-tetracuprate(I), [N(C3H7)4]2[Cu4Br6], which has a zero-dimensional (0D) molecular salt structure containing [Cu4Br6]2- ions.
View Article and Find Full Text PDFIn Situ Raman Spectra and Machine Learning Assistant Thermal Annealing Optimization for Effective Phototransistors.
ACS Appl Mater Interfaces
March 2025
State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, P. R. China.
The relationship between the structure and function of condensed matter is complex and changeable, which is especially suitable for combination with machine learning to quickly obtain optimized experimental conditions. However, little research has been done on the effect of temperature on condensed matter and how it affects device performance because the difference between the in situ physical property parameters (which are lowered by the surface tension and mixing entropy) and the basic parameters of the bulk makes accurate AI predictions difficult. In this work, P3HT/ITIC was chosen as the donor/acceptor material for the active layer of organic phototransistors (OPTs).
View Article and Find Full Text PDFPoly(vinyl alcohol)/Polycaprolactone Nanofiber Enriched with Lichenysin against Multidrug-Resistance Bacterial Infection in Wound Healing: In Vitro Studies and In Vivo Evaluation in Wistar Rats.
ACS Appl Bio Mater
March 2025
Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow 226025, India.
Multidrug resistance (MDR) infectious wounds are a major concern due to drug resistance, leading to increased patient morbidity. Lichenysin (LCN), a lipopeptide and biosurfactant obtained from certain strains of , has demonstrated an excellent antimicrobial property. The present study focuses on the fabrication and comprehensive evaluation of LCN-incorporated poly(vinyl alcohol) (PVA)/polycaprolactone (PCL)-based nanofiber scaffolds using an electrospinning technique as a potential wound healing biomaterial for the treatment of MDR infectious wounds in diabetic rats.
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