1. Enhancement in photoluminescence performance of carbon-decorated T-ZnO
- Author
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Chen Lei, Liangjun Yin, Gang Li, Bao Xu, Jing Jiang, Yang Gao, Gao Xin, Yu Cao, Chao Wang, Hui Tang, Yang Ping, Luan Chunhong, Yan-Yu Feng, Guozhang Chen, Ying-Lin Liang, Siyuan Wang, and Xian Jian
- Subjects
Photoluminescence ,Materials science ,Mechanical Engineering ,Enhanced luminescence ,chemistry.chemical_element ,Bioengineering ,Nanotechnology ,General Chemistry ,Zinc ,Green emission ,chemistry ,Mechanics of Materials ,Fluorescent materials ,General Materials Science ,Electrical and Electronic Engineering ,Luminescence ,Carbon ,Intensity (heat transfer) - Abstract
The facile preparation of ZnO possessing high visible luminescence intensity remains challenging due to an unclear luminescence mechanism. Here, two basic approaches are proposed to enhance the luminescent intensity based on the theoretical analysis over surface defects. Based on the deduction, we introduce a methodology for obtaining hybrid tetrapod-like zinc oxide (T-ZnO), decorated by carbon nanomarterials on T-ZnO surfaces through the catalytic chemical vapor deposition approach. The intensity of the T-ZnO green emission can be modulated by topography and the proportion of carbon. Under proper experiment conditions, the carbon decorating leads to dramatically enhanced luminescence intensity of T-ZnO from 400 to 700 nm compared with no carbon decorated, which elevates this approach to a simple and effective method for the betterment of fluorescent materials in practical applications.
- Published
- 2015
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