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Citation: ZHANG Liang-Miao, LU Wen-Cong, FENG Yong-Li, NI Ji-Peng, LV Yong, SHANG Xing-Fu. Facile Synthesis of Leaf-like Cu(OH)₂ and Its Conversion into CuO with Nanopores[J]. Acta Physico-Chimica Sinica, ;2008, 24(12): 2257-2262. doi: 10.1016/S1872-1508(08)60086-8 shu

Facile Synthesis of Leaf-like Cu(OH)₂ and Its Conversion into CuO with Nanopores

1.
Department of Chemistry, Shanghai University, Shanghai 200444, P. R. China

Received Date: 25 June 2008
Available Online: 29 October 2008

Leaf-like Cu(OH)2 single crystals were synthesized via the controlled emulsion interface method using Span80 (sorbitan monooleate) as the stabilizer of the emulsion system. CuO products with nanopores could be simply obtained by the dehydration of Cu(OH)2, while maintaining the strip-shaped architecture. The phase structures and morphologies were measured by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectra, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Experimental results showed that Cu(OH)2 microleaves were single crystals and the growth direction seemed to be in [111] crystal plane of the orthorhombic Cu(OH)2. The formation of the nanopores should be attributed to the water loss of the transformation fromCu(OH)2 to CuO. The formation process of Cu(OH)2was investigated by taking TEMimages at different stages of the reaction. The formed nanoparticles began to rearrange to form nanorods and microleaves possibly via edge-by-edge and side-by-side oriented-attachments because of the formation of larger crystals greatly reducing the interfacial energy. Besides, CuO microarchitectures exhibit blue shifts in UV-Vis spectra and possess larger band gaps compared with those of bulk crystals.
- Leaf-like Cu(OH)2,
- Emulsion,
- Soft template,
- CuO,
- Nanopores
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Facile Synthesis of Leaf-like Cu(OH)2 and Its Conversion into CuO with Nanopores

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通讯作者: 陈斌, bchen63@163.com

Facile Synthesis of Leaf-like Cu(OH)₂ and Its Conversion into CuO with Nanopores