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Nb2O5 Nanorod Bundles for Photocatalytic Ethylene Oxidation
ACS Applied Energy Materials ( IF 5.4 ) Pub Date : 2020-02-24 00:00:00 , DOI: 10.1021/acsanm.9b02621
Wen-Jie Chen 1 , Xuejiao Sun 1 , Yubin Liu 1 , Mianli Huang 1 , Wentao Xu 1 , Xiaoyang Pan 1 , Qihui Wu 1 , Zhiguo Yi 2, 3
ACS Applied Energy Materials ( IF 5.4 ) Pub Date : 2020-02-24 00:00:00 , DOI: 10.1021/acsanm.9b02621
Wen-Jie Chen 1 , Xuejiao Sun 1 , Yubin Liu 1 , Mianli Huang 1 , Wentao Xu 1 , Xiaoyang Pan 1 , Qihui Wu 1 , Zhiguo Yi 2, 3
Affiliation
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Hierarchical metal oxide superstructures have been widely utilized in various applications, but complex template-assisted procedures and organic structure-directing agents are usually required during synthesis. Herein, a three-dimensional (3D) bundle-like Nb2O5 superstructure was fabricated by a simple hydrothermal method using amorphous Nb2O5·nH2O particles as precursors without the use of organic species and template precursors. Controlled experiments under different synthetic conditions revealed that a hierarchical assembly process occurred, in which Nb2O5 nanorods were first formed due to the dissolution and recrystallization of Nb2O5·nH2O particles. The resultant nanorods were assembled into bundle-like nanostructures, which finally organized into flower-like superstructures. Upon decorating of ultrafine Pt nanoparticles (1.8 nm) on the surface of Nb2O5–S using a photodeposition method, the Pt–Nb2O5 superstructures showed promising photoactivities for ethylene oxidation.
中文翻译:
Nb 2 O 5纳米棒束用于光催化乙烯氧化
分层金属氧化物超结构已广泛用于各种应用中,但是在合成过程中通常需要复杂的模板辅助程序和有机结构导向剂。在此,通过简单的水热法,使用非晶态的Nb 2 O 5 · n H 2 O粒子作为前驱体,不使用有机物和模板前驱体,制作了三维(3D)束状的Nb 2 O 5超结构。在不同合成条件下的对照实验表明,发生了分级组装过程,其中Nb 2 O 5由于Nb 2 O 5 · n H 2 O颗粒的溶解和重结晶,首先形成了纳米棒。将所得的纳米棒组装成束状的纳米结构,最后将其组织成花状的超结构。使用光沉积法在Nb 2 O 5 -S表面装饰超细Pt纳米颗粒(1.8 nm)后,Pt-Nb 2 O 5的超结构显示出可用于乙烯氧化的光活性。
更新日期:2020-02-24
中文翻译:

Nb 2 O 5纳米棒束用于光催化乙烯氧化
分层金属氧化物超结构已广泛用于各种应用中,但是在合成过程中通常需要复杂的模板辅助程序和有机结构导向剂。在此,通过简单的水热法,使用非晶态的Nb 2 O 5 · n H 2 O粒子作为前驱体,不使用有机物和模板前驱体,制作了三维(3D)束状的Nb 2 O 5超结构。在不同合成条件下的对照实验表明,发生了分级组装过程,其中Nb 2 O 5由于Nb 2 O 5 · n H 2 O颗粒的溶解和重结晶,首先形成了纳米棒。将所得的纳米棒组装成束状的纳米结构,最后将其组织成花状的超结构。使用光沉积法在Nb 2 O 5 -S表面装饰超细Pt纳米颗粒(1.8 nm)后,Pt-Nb 2 O 5的超结构显示出可用于乙烯氧化的光活性。