时间分辨成像技术指标数据集

钙钛矿材料在光伏、光催化及光电等领域有着非常广泛应用，根本原因是其具有优异的光物理性质。针对钙钛矿材料结构功能关系的研究一直引领着材料性能的发掘与改进。荧光寿命成像技术的开发为材料功能关系提供最直观最有利的证据，然而现有的成像技术未能发掘材料的荧光偏振信息，限制了材料基本光物理性质的探索。本系统实现纳米材料表/界面缺陷态电荷累积效应检测，空间分辨率达到1 μm，时间分辨率优于10 ns，开启了在上述时空分辨率的条件下荧光偏振图像数据采集的先河，为解决材料结构功能关系提供了强有力的技术手段。
本数据集主要面向有机无机卤化物钙钛矿多晶薄膜，采集了微观结构对于材料偏振荧光产生影响的图像数据和时空分辨率验证图像数据，总计体量约为2.94 GB。

Perovskite materials have widespread applications in photovoltaic, photocatalysis, optoelectronics and other fields, fundamentally due to their excellent photophysical properties. Research on the structure-function relationship of perovskite materials has long been leading the exploration and improvement of their performance. Fluorescence lifetime imaging technology has provided the most intuitive and favorable evidence for elucidating the structure-function relationship of these materials. However, existing imaging techniques fail to capture the fluorescence polarization information of materials, which limits the investigation of their fundamental photophysical properties. This system enables the detection of charge accumulation effects at the surface/interface defect states of nanomaterials, with a spatial resolution of 1 μm and a temporal resolution better than 10 ns. It pioneers the acquisition of fluorescence polarization image data under such spatiotemporal resolution conditions, providing a powerful technical means for unraveling the structure-function relationship of materials. This dataset is primarily targeted at organic-inorganic halide perovskite polycrystalline thin films. It collects image data regarding the influence of microstructure on the generation of polarized fluorescence in materials, as well as image data for spatiotemporal resolution verification, with a total data volume of approximately 2.94 GB.

搜集汇总

背景与挑战

背景概述

该数据集聚焦于有机无机卤化物钙钛矿多晶薄膜，通过时间分辨成像技术采集了偏振荧光图像数据，用于研究材料微观结构对荧光的影响。其技术特点包括高空间分辨率（1 μm）和时间分辨率（优于10 ns），数据体量约为2.94 GB，包含14个文件，支持材料结构功能关系的探索。