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Following the resignation and departure of Prime Minister Sheikh Hasina, authorities have closed Hazrat Shahjalal International Airport in Dhaka. The airport   director, Group Captain Kamrul Islam, confirmed the suspension of all flights since 4:45 PM local time, with no instructions yet on when they will resume. The international airport will be shut for six hours, the Army said.Hazrat Shahjalal International Airport is a key hub for both domestic and international travel, making its closure particularly disruptive.What   happening in Bangla stanley cup desh Protesters have initiated a Long March to Dhaka ; in defiance of today   nationwide curfew, demanding Prime Minister Hasina   resignation. Hasina has accused the demonstrators of  8220 abo af1 tage and has cut off mobile internet access. The military has announced an indefinite curfew in response.The airport closure comes after violent protests led to the fall of Hasinas government. Hasina fled the country by helicopter as a mob stormed the prime minister   palace on Monday evening. The Bangladesh Army has announced that an interim government will soon take charge.Also ReadBangladesh Protests LIVE Updates: High alert sounded at Indo-Bangladesh border as army to form interim governmentThe unrest stems from student protests against quota reforms, which escalated into violent clash owala es, resulting in at least 98 deaths on Sunday alone. The total death toll has risen to at least 300, according t Zfvw Massachussets fails to lift net metering caps
Researchers at India s Department of Science and Technology have fabricated a perovskite solar cell with a hole-transporting material  HTM  made of copper thiocyanate  CuSCN , which is an inorganic semiconductor with a wide energy bandgap of 3.9 eV.In Dual-functional inorganic CuSCN for efficient hole extraction and moisture sealing of MAPbI3 perovskite solar cells 鈥?recently published in Material Advances 鈥?the scientists explained that CuSCN has emerged as a stable HTM to replace Spiro-OMeTAD precursor as the latter leads to moisture ingress into the cell, which in turn degrades the perovskite absorber and reduces solar cell performance.stanley cup  8220;With good transparency in the visible and near-infrared regions, appropriate band positions of CuSCN-based devices stanley cup  show matching efficiencies, they said. Solution-based low-temper stanley cup ature processability, cost-effectiveness, and reproducibility have made industrial viability feasible.The scientists built the cell with a fluorine-doped tin oxide  FTO  substrate, a titanium oxide  TiO2  electron transport layer, a halide perovskite known as 伪-formamidinium lead iodide known as 伪-FAPbI3, the CuSCN HTM, and gold  Au  metal contact.MAPbI3 films were deposited by a one-step process, they said. The perovskite films were then spin-coated with the hole transporting material, followed by the thermal evaporation of Au at a pressure of 10鈭? mbar. For the HTM-free architecture, the MAPbI3 films w

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