Journal
OPTICAL MATERIALS EXPRESS
Volume 5, Issue 10, Pages 2240-2245Publisher
OPTICAL SOC AMER
DOI: 10.1364/OME.5.002240
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Funding
- NSFC [61108060]
- EYRF of HeBei EDP [YQ2013029]
- MOE [212016]
- SRF for ROS of MOE
- Hebei NSF [F2013202153]
- SOCSF of MPC [CG2013003002]
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The tunable photocatalytic activity of LN nanoparticles is a useful integratable function of LN-based lab-on-chip platform for unraveling the biological complexity in population. In this paper, Fe-Mn-codoped LiNbO3 nanoparticles were prepared by a soft-chemistry route. The nanoparticle absorption in UV-Vis range was modified through photochromic effect, and their influence on the photocatalytic activity of the nanoparticles was evaluated by the degradation of Rhodamine B under xenon lamp illumination. It was found that Fe-Mn-codoped LiNbO3 nanocrystals with less Vis absorption exhibited higher photocatalytic efficiency for photocatalytic dye solution. The mechanism of tuning the photocatalytic activity through photochromic effect was proposed for Fe-Mn-codoped LiNbO3 nanocrystals and the holes released through charge transfer from Mn3+ are emphasized for the explanation of the photocatalytic behavior. (C) 2015 Optical Society of America
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