X-ray imaging scintillators are essential for numerous technologies that impact our daily lives, including medical radiography, computed tomography, and security inspection. Organic materials have emerged as potential alternatives for X-ray imaging scintillators due to their low toxicity, high stability, and large-area fabrication. However, their low X-ray absorption cross-section and inefficient exciton utilization efficiency limit their practical applications and commercialization. Nevertheless, these drawbacks can be mitigated through efficient energy transfer from suitable X-ray sensitizers. In this review, we summarize recent progress in fabricating high-performance energy transfer-based scintillators using a variety of X-ray sensitizers and emission centers and provide a detailed interpretation of the corresponding energy transfer mechanisms and their tremendous impact on the operation of X-ray imaging scintillators. Furthermore, we have also carefully considered the impact of various factors within the imaging system, including the X-ray source, light-matter interaction, and photodetector, on the overall imaging performance.

中文翻译：

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基于能量转移的 X 射线成像闪烁体


X 射线成像闪烁体对于影响我们日常生活的众多技术至关重要，包括医学射线照相、计算机断层扫描和安全检查。有机材料因其低毒性、高稳定性和大面积制造而成为 X 射线成像闪烁体的潜在替代品。然而，它们的低 X 射线吸收截面和低效的激子利用效率限制了它们的实际应用和商业化。然而，这些缺点可以通过合适的 X 射线敏化剂的高效能量传输来缓解。在这篇综述中，我们总结了使用各种 X 射线敏化器和发射中心制造高性能能量转移闪烁体的最新进展，并详细解释了相应的能量转移机制及其对 X 射线成像闪烁体运行的巨大影响。此外，我们还仔细考虑了成像系统内各种因素的影响，包括 X 射线源、光-物质相互作用和光电探测器，对整体成像性能的影响。