Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
Charge transfer state-mediated red and near-infrared upconversion emission in NaLaS₂:Yb/Tm phosphor.
Ruizhu Fan, Ying Tian, Zechun Xie, Zhe He, Hong Wang, Qiang Pang, Xuesong Xu, Yao Fu, Mingming Xing
Published: 202610.1016/j.saa.2025.127374
Abstract
The red and near-infrared (600-1100 nm) regions, known as biological "optical window" due to minimized tissue absorption and scattering, are vital for high-contrast deep-tissue imaging. Here, we report intense red (≈696 nm) and near-infrared (≈797 nm…
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