Chang Liu, Xuanze Zhang, Xuan Chen, Liangliang Liang
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引用次数: 0
Abstract
Photon avalanche (PA) upconversion in lanthanide nanosystems represents a groundbreaking discovery, demonstrating an optical nonlinearity exceeding 50. This remarkable sensitivity to even the slightest light perturbations unlocks new possibilities for ultrasensitive biosensing, super-resolution imaging, and a range of other applications. This review delves into the fundamental mechanisms underlying PA and the approaches for controlling energy flow within these nanomaterials. We present innovative design strategies for optimizing optical dynamics tailored to specific applications. Furthermore, we critically assess the advantages and limitations of PA technology across diverse applications. In addition, we explore future directions, highlighting the key challenges and proposing pathways for further research. By enhancing the understanding of PA phenomena and encouraging interdisciplinary collaboration, this review seeks to foster ongoing innovation at the convergence of nanophotonics and materials science, pushing the boundaries of current capabilities in photonics research.
镧系元素纳米系统中的光子雪崩（PA）上转换技术是一项突破性发现，其光学非线性超过 50。这种对最轻微光扰动的非凡灵敏度为超灵敏生物传感、超分辨率成像和一系列其他应用带来了新的可能性。本综述深入探讨了 PA 的基本机制以及控制这些纳米材料内部能量流的方法。我们介绍了针对特定应用优化光学动力学的创新设计策略。此外，我们还批判性地评估了 PA 技术在各种应用中的优势和局限性。此外，我们还探讨了未来的发展方向，强调了关键挑战，并提出了进一步研究的途径。通过加强对 PA 现象的理解和鼓励跨学科合作，本综述旨在促进纳米光子学和材料科学交汇处的持续创新，推动光子学研究领域现有能力的发展。
期刊介绍：
Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including:
- Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale
- Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies
- Modeling and simulation of synthetic, assembly, and interaction processes
- Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance
- Applications of nanoscale materials in living and environmental systems
Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.
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