Efficient and stable hole-transport material (HTM) is essential for enhancing the efficiency and stability of high-efficiency perovskite solar cells (PSCs). The commonly used HTMs such as spiro-OMeTAD need dopants to produce high efficiency, but those dopants degrade the perovskite film and cause instability. Therefore, the development of dopant-free N,N'-bicarbazole-based HTM is receiving huge attention for preparing stable, cost-effective, and efficient PSCs.
View Article and Find Full Text PDFThe potential applications of nonfullerene acceptors (NFAs) such as tunable band gaps, improved charge separation, wide-range absorption, enhanced power conversion efficiency, and operational stability make them highly favorable for organic photovoltaic applications. Herein, we designed eight novel structurally modified nonfused benzoselenadiazole (BSe)-based A2-D-A1-D-A2-type NFAs for efficient organic solar cells (OSCs). These newly modeled BSe-based NFA series contain BSe as the central core.
View Article and Find Full Text PDFA new class of chiral pyranone fused indole derivatives were prepared by means of N-heterocyclic carbene (NHC) organocatalysis and demonstrated notable antibacterial activity against pv . Bioassays showed that compounds (34)-, (34)-, and (34)- exhibited promising efficacy against , with EC values of 9.05, 9.
View Article and Find Full Text PDFThe Racial disparity between the clinical outcomes poststroke have not been well studied, with limited literature available. We conducted a meta-analysis to evaluate the poststroke outcomes among the White and Black race of patients. We systematically searched all electronic databases from inception until March 1, 2023.
View Article and Find Full Text PDFThreatening the global community is a wide variety of potential threats, most notably invasive pest species. Invasive pest species are non-native organisms that humans have either accidentally or intentionally spread to new regions. One of the most effective and first lines of control strategies for controlling pests is the application of insecticides.
View Article and Find Full Text PDFIntroduction: Although aortic valve replacement in severe symptomatic Aortic Stenosis (AS) are clearly outlined, the role of surgical intervention in asymptomatic severe AS remains unclear with limited evidence. The aim of our meta-analysis is to evaluate the efficacy and safety of early surgical aortic valve repair compared to conservative management.
Methods: A systematic literature search was performed in PubMed, Scopus, Embase and Cochrane databases for studies comparing the early surgery versus conservative management among asymptomatic aortic stenosis patients.
The influence of varying concentrations (0, 1, 3, 4, 5, 6, 8, and 10 % v/v) of neem () leaf extract on drought stressed (40 % field capacity) quinoa ( Willd.) plants was assessed. During the current study two cultivars of quinoa (V7 and V9) were used.
View Article and Find Full Text PDFFresh basidiocarps of Amanita cinnamomescens and A. pakistanica were collected from Ayubia-Khanspur, Pakistan, during the 2018 monsoon season. Basidiocarps of A.
View Article and Find Full Text PDFBackground The principal manifestation of hyperuricemia is gout. Many drugs are in use nowadays to treat gout, but they are linked with multiple side effects. The present study observed berberine (from Chinese folk medicine) on serum and urinary uric acid levels in rats with potassium oxonate-induced hyperuricemia.
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