Journal
CRYSTENGCOMM
Volume 13, Issue 20, Pages 6107-6113Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ce05159h
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Funding
- National Natural Science Foundation of China [50872020, 50902021]
- Program for New Century Excellent Talents of the University in China
- Shanghai Education Commission [09PJ1400500, 08SG32]
- Shanghai Leading Academic Discipline Project [B603]
- Science and Technology Commission of Shanghai-based Innovation Action Plan Project [10JC1400100]
- Chen Guang project [09CG27]
- Shanghai Municipal Education Commission
- Shanghai Education Development Foundation
- Donghua University (Shanghai, P.R. China)
- Program of Introducing Talents of Discipline to Universities [111-2-04]
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ZnO films composed of uniform three-dimensional (3D) hierarchical microstructures on the conductive glass were synthesized by a one-step polyethylene glycol-assisted hydrothermal route with excellent reproducibility. The morphology of the ZnO hierarchical structured films was controlled by adjusting hydrothermal reaction conditions, i.e., time, temperature, reactant concentration, Zn source and surfactant. A specific growth mechanism for the ZnO hierarchical microstructured films is proposed, and the hydrothermal time is found to be a crucial role in the formation of the hierarchical structures either from the initial nucleation and growth of the primary rods or secondary/tertiary nucleation and growth on the the column facets of the primary rods. As-fabricated ZnO films show a strong photoluminescence emission peak at 435 nm, and a superhydrophobic adhesive surface with a water contact angle of 154.1 degrees and a high contact angle hysteresis.
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