ZnO:Tb nanoparticles are prepared by a solvothermal method with the diameter of approximately 18-100 nm. At appropriate doping concentration, the lattice expansion occurs. With the increase in the doping ratio of Tb/Zn from 0 to 0.03, ZnO lattice first contracts slightly, then expands, and finally, contracts again. Tb³⁺ element is found to enter the ZnO lattice and replace Zn²⁺. Some crystal defects are generated in the host lattice for doped samples such as Zn_i and V_O. By carefully examining the excitation and emission spectra, both V_O and Zn_i are found to be involved in the energy transfer process. This is different from ZnO:Eu for which negative charge O_i defects are identified to play an important medium of energy transfer from ZnO host to Eu³⁺. It also supports another charge compensation mechanism. The energy transfer mechanism helps to theoretically explain and promote strong green luminescence of Tb³⁺ and improves the luminescence intensity of the RE-doped ZnO nanomaterial. It is very valuable for potential applications in bioimaging, photoluminescence, optoelectronics, and photocatalysis.

ZnO:Tb 纳米粒子通过溶剂热法制备，直径约为 18-100 nm。在适当的掺杂浓度下，会发生晶格膨胀。随着 Tb/Zn 掺杂比从 0 增加到 0.03，ZnO 晶格先轻微收缩，然后膨胀，最后再收缩。发现Tb ³⁺元素进入ZnO晶格并取代Zn ²⁺。对于掺杂的样品，例如 Zn _i和 V _O，在主晶格中会产生一些晶体缺陷。通过仔细检查激发和发射光谱，发现V _O和 Zn _i都参与了能量转移过程。这与负电荷 O _{i 的}ZnO:Eu 不同缺陷被认为是从 ZnO 主体到 Eu ³⁺的能量转移的重要媒介。它还支持另一种电荷补偿机制。该能量转移机制有助于从理论上解释和促进Tb ^{3+ 的}强绿光发光，提高稀土掺杂ZnO纳米材料的发光强度。它在生物成像、光致发光、光电和光催化方面的潜在应用非常有价值。