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Facile Realization of Boosted Near-Infrared-Visible Light Driven Photocatalytic Activities of BiOF Nanoparticles through Simultaneously Exploiting Doping and Upconversion Strategy
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2021-08-18 , DOI: 10.1002/admi.202100749 Peng Du 1 , Weiguang Ran 2 , Can Wang 1 , Laihui Luo 1 , Weiping Li 1
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2021-08-18 , DOI: 10.1002/admi.202100749 Peng Du 1 , Weiguang Ran 2 , Can Wang 1 , Laihui Luo 1 , Weiping Li 1
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A facile strategy is put forward to improve the photocatalytic activity of BiOF nanoparticles by simultaneously exploiting doping and upconversion engineering. The Er3+/Yb3+-codoped BiOF nanoparticles are synthesized via using high-temperature solid-state reaction route. Through employing first-principles density functional theory, one knows that the electronic structure of BiOF host is greatly impacted by Er3+ and Yb3+ ions doping. Excited by 980 nm, bright upconversion emissions are seen in prepared compounds and their maximum intensities are obtained when x = 0.04. Furthermore, the photocatalytic capacity of the designed nanoparticles is explored by detecting the photodegradation of pollutants under visible and near-infrared lights irradiation. Compared with BiOF, these nanoparticles doped with Er3+ and Yb3+ ions have superior photocatalytic activity, in which h+, ·O2−, and ·OH active species contribute to the photocatalytic mechanism. Additionally, the resultant nanoparticles also present better photocatalytic activity than commercial ZnO nanoparticles. These achievements imply that Er3+/Yb3+-codoped BiOF nanoparticles are promising near-infrared-visible light driven photocatalysts.
中文翻译：
通过同时利用掺杂和上转换策略轻松实现 BiOF 纳米颗粒的近红外可见光驱动光催化活性
提出了一种通过同时利用掺杂和上转换工程来提高 BiOF 纳米粒子光催化活性的简便策略。Er 3+ /Yb 3+共掺杂BiOF纳米颗粒是通过高温固相反应途径合成的。通过第一性原理密度泛函理论，人们知道BiOF主体的电子结构受Er 3+和Yb 3+离子掺杂的影响很大。在 980 nm 激发下，在制备的化合物中可以看到明亮的上转换发射，当x = 0.04。此外，通过检测可见光和近红外光照射下污染物的光降解来探索设计的纳米粒子的光催化能力。与BiOF 相比，这些掺杂Er 3+和Yb 3+离子的纳米粒子具有优异的光催化活性，其中h +、·O 2 -和·OH 活性物质有助于光催化机制。此外，所得纳米颗粒还表现出比商业氧化锌纳米颗粒更好的光催化活性。这些成就意味着 Er 3+ /Yb 3+共掺杂 BiOF 纳米粒子是有前途的近红外可见光驱动光催化剂。
更新日期：2021-09-12
中文翻译：
通过同时利用掺杂和上转换策略轻松实现 BiOF 纳米颗粒的近红外可见光驱动光催化活性
提出了一种通过同时利用掺杂和上转换工程来提高 BiOF 纳米粒子光催化活性的简便策略。Er 3+ /Yb 3+共掺杂BiOF纳米颗粒是通过高温固相反应途径合成的。通过第一性原理密度泛函理论，人们知道BiOF主体的电子结构受Er 3+和Yb 3+离子掺杂的影响很大。在 980 nm 激发下，在制备的化合物中可以看到明亮的上转换发射，当x = 0.04。此外，通过检测可见光和近红外光照射下污染物的光降解来探索设计的纳米粒子的光催化能力。与BiOF 相比，这些掺杂Er 3+和Yb 3+离子的纳米粒子具有优异的光催化活性，其中h +、·O 2 -和·OH 活性物质有助于光催化机制。此外，所得纳米颗粒还表现出比商业氧化锌纳米颗粒更好的光催化活性。这些成就意味着 Er 3+ /Yb 3+共掺杂 BiOF 纳米粒子是有前途的近红外可见光驱动光催化剂。
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