A Comparative Study of Er3+, Er3+-Eu3+, Er3+-Tb3+, and Er3+-Eu3+-Tb3+ Codoped Y2O3 Nanoparticles as Optical Heaters

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descent="-360" horiz-adv-x="341" vert-adv-y="341"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,57.865,3.132)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z" id="g50-50"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="487" vert-adv-y="487"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,62.296,3.132)"><path d="M158 548H390L417 615L410 623H122L83 318C105 326 143 337 185 337C296 337 350 275 350 188C350 116 308 42 225 42C164 42 122 74 100 93C90 101 82 99 72 92C60 82 51 68 50 59C48 46 52 38 66 24C82 9 125 -12 172 -12C225 -11 292 15 346 59C408 108 437 166 437 226C437 309 371 397 242 397C214 397 170 382 133 369L158 548Z" id="g50-54"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="487" vert-adv-y="487"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,66.728,3.132)"><path d="M381 704H317L48 -163H112L381 704Z" id="g50-48"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="429" vert-adv-y="429"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,70.636,3.132)"><path d="M414 144C384 79 371 75 317 75H135L276 221C367 316 408 376 408 465C408 570 327 635 237 635C179 635 131 609 100 575L42 494L67 471C94 510 138 565 205 565C277 565 321 517 321 435C321 348 258 270 195 195C146 137 88 81 33 26V0H411C423 44 433 88 446 135L414 144Z" id="g50-51"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="487" vert-adv-y="487"></glyph.data></g></svg>) as a function of temperature to our samples, Y2O3:Er3+ (open red circles), Y2O3:Er3+-Tb3+ (solid black circles), Y2O3:Er3+-Eu3+ (open orange squares), and Y2O3:Er3+-Eu3+-Tb3+ (solid blue triangles). The solid lines are the fit curves using (<a href="https://static.hindawi.com/articles/jnm/volume-2015/373675/figures/#EEq3">3</a>).</div>

Journal of Nanomaterials

fig5

Figure 5

Figure 5: A Comparative Study of Er3+, Er3+-Eu3+, Er3+-Tb3+, and Er3+-Eu3+-Tb3+ Codoped Y2O3 Nanoparticles as Optical Heaters