3D rod-like copper oxide with nanowire hierarchical structure: Ultrasound assisted synthesis from Cu2(OH)3NO3 precursor, optical properties and formation mechanism

作者：Ba, Ningning; Zhu, Lianjie^*; Li, Hongbin; Zhang, Guangzhi; Li, Jianfa; Sun, Jingfeng

来源：Solid State Sciences, 2016, 53: 23-29.

DOI：10.1016/j.solidstatesciences.2016.01.004

• CuO microrod
• Ultrasound processing
• Morphology
• Optical properties

3-dimensional (3D) rod-like CuO with nanowire hierarchical structure has been synthesized successfully by a facile ultrasound assisted method combined with thermal conversion, using rouaite Cu-2(OH)(3)NO3 as the precursor. The product was characterized by XRD, SEM, TEM, HRTEM and FT-IR spectrum. Its optical properties were studied by means of UV-Vis diffuse reflectance absorption spectroscopy and photoluminescence (PL) spectrum. Series of control experiments have been performed to explore influencing factors to the product morphologies and a possible formation mechanism has been proposed. The results show that each CuO rod assembled by tens of nanowires is 200-300 nm in diameter and about 1000 nm in length. Each nanowire contains many interconnected nanoparticles with sizes of about 15 nm. Particularly, ultrasound processing was found beneficial to the formation of the 3D rod-like CuO with nanowire hierarchical structure.

• 出版日期2016-3
• 单位天津理工大学