Amela-Cortes Maria, Dumait Noée, Artzner Franck, Cordier Stéphane, Molard Yann
Université de Rennes, CNRS, ISCR-UMR 6226, ScanMAT-UAR 2025, IPR-UMR 6251, F-35000 Rennes, France.
Nanomaterials (Basel). 2023 Jan 31;13(3):580. doi: 10.3390/nano13030580.
Red-NIR luminescent polymers are principally obtained from petroleum-based derivatives in which emitters, usually a critical raw material such as rare-earth or platinum group metal ions, are embedded. Considering the strong ecological impact of their synthesis and the major risk of fossil fuel energy shortage, there is an urgent need to find alternatives. We describe a luminescent nanocomposite based on red-NIR phosphorescent molybdenum nanoclusters, namely CsMoI(OCOCF), embedded in an eco-friendly cellulose biopolymer matrix that is obtained by a simple solvent casting technique. While homogeneity is kept up to 20 wt% of cluster complex doping, annealing hybrids leads to a large increase of their emission efficiency, as demonstrated by quantum yield measurements.
红色-近红外发光聚合物主要由石油基衍生物制得，其中嵌入了发光体，发光体通常是稀土或铂族金属离子等关键原材料。考虑到其合成对生态的强烈影响以及化石燃料能源短缺的重大风险，迫切需要寻找替代方案。我们描述了一种基于红色-近红外磷光钼纳米团簇（即CsMoI(OCOCF)）的发光纳米复合材料，该纳米团簇嵌入通过简单溶液浇铸技术获得的环保型纤维素生物聚合物基质中。通过量子产率测量表明，在高达20 wt%的团簇复合物掺杂量下仍能保持均匀性，对混合材料进行退火处理会使其发射效率大幅提高。
