Organic-Lanthanide Nanoparticle Hybrids for Efficient Photon Absorption and Emission

镧系掺杂纳米粒子（LnNPs）由于其独特的光学特性，在荧光显微镜、深层组织治疗、光遗传学、传感和防伪等领域显示出巨大的应用潜力。传统上，LnNPs存在两大限制：弱吸收和低光致发光量子产率（PLQY），通常<5%。将分子发色团与LnNPs结合形成有机镧系纳米颗粒杂化物可以克服这些问题，使LnNPs具有优越的光吸收和荧光性能，从而扩大其在光电应用中的应用，包括光发射、光子频率转换和光催化。“hybrid - lyn - light”将结合主团在能量转移和三重态激子操纵LnNPs方面的最新突破，以及研究员在高亮度LnNPs合成和表征方面的材料化学知识和经验，开发具有高plqy的LnNPs的新架构，使其与分子发色团结合，同时保持高效的三重态能量转移。关键的潜在科学进步将是理解和控制分子发色团和LnNPs之间的界面。这将使新一代混合材料在光电子领域具有广泛的应用。

Lanthanide-doped nanoparticles (LnNPs) show great potential in a broad range of applications, including fluorescent microscopy, deep-tissue theranostics, optogenetics, sensing and anticounterfeiting, due to their unique optical properties. Classically, there are two major limitations of LnNPs - weak absorption and low photoluminescence quantum yield (PLQY), typically <5%. Combining molecular chromophores with LnNPs to form organic-lanthanide nanoparticle hybrids could overcome these issues and enable superior light absorption and fluorescent performance for LnNPs and hence expand their use to optoelectronic applications, including light emission and photon frequency-conversion, and photocatalysis. "Hybrid-Ln-Light" will combine the recent breakthroughs in the host group on the energy transfer and manipulation of triplet excitons with LnNPs and the fellow's material chemistry knowledge and experience with synthesis and characterization of high-brightness LnNPs, to develop new architectures for LnNPs with high PLQYs to combine with molecular chromophores while maintaining efficient triplet energy transfer. The key underlying scientific advance will be to understand and gain control over the interface between the molecular chromophores and the LnNPs. This will enable a new generation of hybrid materials with wide ranging applications in optoelectronics.