Understanding and managing charge carrier recombination dynamics is crucial for optimizing the performance of metal halide perovskite optoelectronic devices.In this work,we introduce a machine learning-assisted intens...Understanding and managing charge carrier recombination dynamics is crucial for optimizing the performance of metal halide perovskite optoelectronic devices.In this work,we introduce a machine learning-assisted intensity-modulated two-photon photoluminescence microscopy approach for quantitatively mapping recombination processes in MAPbBr_(3) perovskite microcrystalline films at micrometer-scale resolution.To enhance model accuracy,a balanced classification sampling strategy was applied during the machine learning optimization stage.展开更多
王瑾老师的课讲的是Module2 Friendship的第一单元Can you tell me where you’re from？这堂课的教学目的主要有三个：首先，这是 一节听说课，在教学活动中就要突出听说；其次，介绍宾语从句的用法；第三，复习一些打电话的用语。评...王瑾老师的课讲的是Module2 Friendship的第一单元Can you tell me where you’re from？这堂课的教学目的主要有三个：首先，这是 一节听说课，在教学活动中就要突出听说；其次，介绍宾语从句的用法；第三，复习一些打电话的用语。评价这一节课，就要看在教学结束时这三项目的是否达到了。展开更多
基金financial support from Swedish Energy Agency grant 50709-1Swedish Research Council grant 2021-05207+2 种基金KAW WISE/WASP grant 01-22Olle Engkvist foundation grant 235-0422Light and Materials profile area at Lund University(Young Investigator Synergy Award,2023)。
文摘Understanding and managing charge carrier recombination dynamics is crucial for optimizing the performance of metal halide perovskite optoelectronic devices.In this work,we introduce a machine learning-assisted intensity-modulated two-photon photoluminescence microscopy approach for quantitatively mapping recombination processes in MAPbBr_(3) perovskite microcrystalline films at micrometer-scale resolution.To enhance model accuracy,a balanced classification sampling strategy was applied during the machine learning optimization stage.
文摘王瑾老师的课讲的是Module2 Friendship的第一单元Can you tell me where you’re from？这堂课的教学目的主要有三个：首先，这是 一节听说课，在教学活动中就要突出听说；其次，介绍宾语从句的用法；第三，复习一些打电话的用语。评价这一节课，就要看在教学结束时这三项目的是否达到了。
