Journal
OPTIK
Volume 185, Issue -, Pages 351-358Publisher
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2019.03.118
Keywords
Chitosan; Poly(amidoamine) dendrimer; Surface plasmon resonance
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Funding
- Universiti Putra Malaysia (UPM) through Putra Grant [9531500]
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Poly(amidoamine) and chitosan have received attention due to their potential for sensing application. Chitosan-poly(amidoamine) dendrimer composite (Cs-PAMAM) thin film have been prepared using a spin coating technique. The functional group of Cs-PAMAM has been investigated using Fourier transform infrared spectroscopy (FTIR). The UV-vis absorption of Cs-PAMAM thin film was high with the optical band gap of 4.09 eV. The studies of potential sensing of the Cs-PAMAM thin film gave positive responses towards Pb2+ ion by using surface plasmon resonance spectroscopy. The surface morphology of the Cs-PAMAM composite thin film was observed using atomic force microscopy (AFM) and confirmed the interaction of Pb2+.
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