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Table 1 The fitting results of parameters of the double-exponential decays

From: Near-infrared quantum cutting in Ho3+, Yb3+-codoped BaGdF5 nanoparticles via first-and second-order energy transfers

Monitoring wavelength Yb3+ concentration (mol%) τ1 (μs) A 1 τ2 (μs) A 2 X 2
486 nm (5 F35I8) 0 23.0494 127.162 204.1946 110.036 1.493
  5 6.2807 1,731.739 68.1584 117.146 1.521
  10 6.1677 4,114.752 82.2261 152.536 1.397
  15 5.0831 4,341.002 49.8707 105.941 1.558
  20 5.1521 1,799.106 34.5770 74.643 1.500
545 nm (5S25I8) 0 143.0003 2,221.670 399.7964 2,634.467 1.473
  5 106.2121 1,454.757 378.4078 2,065.503 1.359
  10 60.6316 2,270.273 199.2826 885.756 1.612
  15 50.8624 2,892.493 166.1588 1,010.801 1.539
  20 52.5225 666.286 152.9727 282.404 1.484
651 nm (5 F55I8) 0 68.2479 1,422.916 206.0216 472.991 1.421
  5 38.4695 903.197 157.5332 307.477 1.576
  10 18.9739 650.965 87.4463 170.137 1.496
  15 14.1099 691.857 71.4125 126.626 1.528
  20 138.514 669.904 67.1548 151.641 1.416