Lei Liu, Jie Wang, Sheng-hua Xu, Zhi-wei Sun , Jing-tong Wang. Influence of Gravity on Structure of Colloidal Crystal Using Simulated Microgravity[J]. Chinese Journal of Chemical Physics , 2009, 22(1): 41-45. doi: 10.1088/1674-0068/22/01/41-45
Citation: Lei Liu, Jie Wang, Sheng-hua Xu, Zhi-wei Sun , Jing-tong Wang. Influence of Gravity on Structure of Colloidal Crystal Using Simulated Microgravity[J]. Chinese Journal of Chemical Physics , 2009, 22(1): 41-45. doi: 10.1088/1674-0068/22/01/41-45

Influence of Gravity on Structure of Colloidal Crystal Using Simulated Microgravity

doi: 10.1088/1674-0068/22/01/41-45
Funds:  This work was supported by the National Natural Science Foundation of China (No.20473108,No.10672173,and No.10432060) and the "Chuang-xin Project" of the Chinese Academy of Sciences.
  • Received Date: 2008-09-25
  • Liquid mixtures of water and deuterium oxide as the liquid phase, were used to match the density of charged colloidal particles. Kossel diffraction method was used to detect the crystal structures. The experiments under the density-matched (g=0) and unmatched (g=1) conditions are compared to examine the influence of gravity on the crystal structures formed by self-assembly of 110 nm (in diameter) polystyrene microspheres. The result shows that the gravity tends to make the lattice constants of colloidal crystals smaller at lower positions,which indicates that the effect of gravity should be taken into account in the study of thecolloidal crystals.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Influence of Gravity on Structure of Colloidal Crystal Using Simulated Microgravity

doi: 10.1088/1674-0068/22/01/41-45
Funds:  This work was supported by the National Natural Science Foundation of China (No.20473108,No.10672173,and No.10432060) and the "Chuang-xin Project" of the Chinese Academy of Sciences.

Abstract: Liquid mixtures of water and deuterium oxide as the liquid phase, were used to match the density of charged colloidal particles. Kossel diffraction method was used to detect the crystal structures. The experiments under the density-matched (g=0) and unmatched (g=1) conditions are compared to examine the influence of gravity on the crystal structures formed by self-assembly of 110 nm (in diameter) polystyrene microspheres. The result shows that the gravity tends to make the lattice constants of colloidal crystals smaller at lower positions,which indicates that the effect of gravity should be taken into account in the study of thecolloidal crystals.

Lei Liu, Jie Wang, Sheng-hua Xu, Zhi-wei Sun , Jing-tong Wang. Influence of Gravity on Structure of Colloidal Crystal Using Simulated Microgravity[J]. Chinese Journal of Chemical Physics , 2009, 22(1): 41-45. doi: 10.1088/1674-0068/22/01/41-45
Citation: Lei Liu, Jie Wang, Sheng-hua Xu, Zhi-wei Sun , Jing-tong Wang. Influence of Gravity on Structure of Colloidal Crystal Using Simulated Microgravity[J]. Chinese Journal of Chemical Physics , 2009, 22(1): 41-45. doi: 10.1088/1674-0068/22/01/41-45

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