Post by Software for Chemistry & Materials

𝗕𝗹𝘂𝗲 𝗽𝗲𝗿𝗼𝘃𝘀𝗸𝗶𝘁𝗲 𝗟𝗘𝗗𝘀 could enable brighter, more energy-efficient displays, but stable and efficient blue emitters remain difficult to make. In this new 𝗡𝗮𝘁𝘂𝗿𝗲 𝗽𝗮𝗽𝗲𝗿, researchers including Mike Pols and Shuxia Tao introduce a smart strategy: polymerizable OEGA molecules guide the 𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 𝗼𝗳 𝗽𝗲𝗿𝗼𝘃𝘀𝗸𝗶𝘁𝗲 𝗻𝗮𝗻𝗼𝗰𝗿𝘆𝘀𝘁𝗮𝗹𝘀, then form a polymer network that stabilizes them. The study is a nice example of 𝗲𝘅𝗽𝗲𝗿𝗶𝗺𝗲𝗻𝘁𝘀 𝗮𝗻𝗱 𝗰𝗼𝗺𝗽𝘂𝘁𝗮𝘁𝗶𝗼𝗻𝗮𝗹 𝗺𝗼𝗱𝗲𝗹𝗶𝗻𝗴 𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝘁𝗼𝗴𝗲𝘁𝗵𝗲𝗿. Experiments demonstrate the effectiveness of the approach, while simulations help explain the molecular processes behind nanocrystal formation and polymer-network formation. 𝗔𝗠𝗦 𝗰𝗼𝗻𝘁𝗿𝗶𝗯𝘂𝘁𝗲𝗱 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝗯𝗼𝘁𝗵 𝗗𝗙𝗧 𝗮𝗻𝗱 𝗺𝗼𝗹𝗲𝗰𝘂𝗹𝗮𝗿 𝗱𝘆𝗻𝗮𝗺𝗶𝗰𝘀 𝘀𝗶𝗺𝘂𝗹𝗮𝘁𝗶𝗼𝗻𝘀. ADF calculations showed how OEGA ligands coordinate with PbBr₂ precursor units, while MD simulations helped explain why medium-length OEGA provides a useful balance between coordination, flexibility, and polymerization behavior. 𝗥𝗲𝗮𝗱 𝘁𝗵𝗲 𝗽𝗮𝗽𝗲𝗿: https://lnkd.in/eXbe6fSj 𝗧𝗿𝘆 𝗔𝗠𝗦 𝗳𝗼𝗿 𝗳𝗿𝗲𝗲: https://lnkd.in/evQWBP-b #Perovskites #Optoelectronics #MaterialsScience #ComputationalChemistry #CompChem #ADF #AMS