TY - JOUR T1 - Self-Sensitized Shortwave Infrared Upconversion and Photon-Looping in Holmium-Doped Nanoparticles JO - Journal of the American Chemical Society UR - https://doi.org/10.1021/jacs.6c16249 PY - 2026/11/03 AU - Arul R AU - Jiang Z AU - Li X AU - Bell FM AU - Tew A AU - Ducati C AU - Rao A AU - Yu Z ED - DO - DOI: 10.1021/jacs.6c16249 PB - American Chemical Society (ACS) Y2 - 2026/11/13 ER -