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Frontiers of Optoelectronics

Front Optoelec    2013, Vol. 6 Issue (4) : 452-457     DOI: 10.1007/s12200-013-0345-7
Preparation, structure and properties of fluorescent nano-CdTe/poly (1, 4–butanediol-citrate) bioelastomer nanocomposite in-situ dispersion technique
Li JIANG1, Aimiao QIN1,2(), Kunpeng JIANG1, Lei LIAO3, Xiulan WU1, Chaojian WU1
1. Key Lab of New Processing Technology for Nonferrous Metals & Materials, Ministry of Education; College of Materials Science & Engineering, Guilin University of Technology, Guilin 541004, China; 2. Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; 3. College of Environmental Science & Engineering, Guilin University of Technology, Guilin 541004, China
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Hydrophilic photoluminescent CdTe/poly (1, 4–butanediol-citrate) (PBC) bioelastomer nanocomposite was successfully synthesized by a two-step method and characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, Uv-vis spectroscopy, photoluminescence (PL) spectroscopy and scanning electron microscope (SEM). The differential scanning calorimetry analysis shows that the bioelastomer nanocom-posites with different mass fractions of CdTe have low glass-transition temperature, which indicates that they possess elastic property in the range from room temperature to the expected applied temperature (37°C). The measurements of the hydrophilicity, in vitro degradation and PL show that the nanocomposite has good hydrophilicity, degradation and high fluorescence properties.

Keywords bioelastomer      spectroscopy      biodegradable     
Corresponding Authors: QIN Aimiao,   
Issue Date: 05 December 2013
 Cite this article:   
Li JIANG,Aimiao QIN,Kunpeng JIANG, et al. Preparation, structure and properties of fluorescent nano-CdTe/poly (1, 4–butanediol-citrate) bioelastomer nanocomposite in-situ dispersion technique[J]. Front Optoelec, 2013, 6(4): 452-457.
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Aimiao QIN
Kunpeng JIANG
Xiulan WU
Chaojian WU
Fig.1  Reaction formula of condensing 1, 4–butanediol and citric acid (R= polymer chain)
Fig.2  FT-IR spectra of PBC pre-polymer and CdTe/PBC bioelastomer pre-composite
Fig.3  SEM image of CdTe/PBC bioelastomer composite
Fig.4  DSC thermograms of CdTe/PBC composites with different mass fractions of CdTe
Fig.5  XRD patterns of CdTe/PBC composites with different mass fractions of CdTe
Fig.6  UV-vis absorption spectrum and PL spectrum of the colloidal CdTe (a); PL spectra of CdTe/PBC composites with different mass fractions of CdTe (b)
Fig.7  Hydrophilic of PBC (a) and CdTe/PBC bioelastomer composite (b)
Fig.8  degradation curves of CdTe/PBC composite with different mass fractions of CdTe
Fig.9  Photos for CdTe/PBC composite placed in pH= 7.4 buffer solution for 0 h (a), 12 h (b), 24 h (c)
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