Microwave assisted novel MoBi2S5 nanoflowers: Synthesis,characterization, photoelectrochemical performance |
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| Institution: | 1. Dept of Chemistry, Rajarambapu Institute of Technology, Islampur, India;2. Materials Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur, 416004, India;3. Thin Film Materials Laboratory, Department of Physics, Shivaji University, Kolhapur, 416004, India;4. School of Chemical Engineering, Chonnam National University, Gwanju, 500-757, Republic of Korea;1. Optoelectronic Convergence Research Center, Chonnam National University, Gwangju, 61186, Republic of Korea;2. Polymer Energy Materials Laboratory, School of Advanced Chemical Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea;3. Thin film materials laboratory, Department of Physics, Shivaji University, Kolhapur, 416-004, India;4. School of Nanoscience and Technology, Shivaji University, Kolhapur, 416-004, India;1. Department of Materials Science and Engineering and Optoelectronics Converging Research Centre, Chonnam National University, 300 Yongbong-Dong, Buk-gu, Gwangju 500 757, South Korea;2. Department of Physics, Yeungnam University, Gyeonbuk 712 749, South Korea;3. School of Applied Chemical Engineering, Chonnam National University, Gwangju 500 757, South Korea;4. Thin Film Materials Laboratory, Department of Physics, Shivaji University, Kolhapur 416 004, India;1. Materials Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur 416004, India;2. Thin Film Materials Laboratory, Department of Physics, Shivaji University, Kolhapur 416004, India;3. Polymer Energy Materials Laboratory, Department of Advanced Chemical Engineering, Chonnam National University, Gwangju, South Korea;1. Polymer Energy Materials Laboratory, Advanced Chemical Engineering Department, Chonnam National University, Gwangju, 500-757 South Korea;2. Thin Film Materials Laboratory, Department of Physics, Shivaji Univrsity, kolhaour-M.S., 416-004 India |
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| Abstract: | In the present article, we have studied the effect of post annealing treatment on microstructural, optical and photoelectrochemical (PEC) properties of MoBi2S5 thin films synthesized by microwave assisted technique. The synthesized thin films are vacuum annealed for 4 h at 473 K temperature. The X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDS), scanning electron microscopy (SEM) and UV–Vis–NIR spectrophotometer techniques were used for characterization of the as deposited and annealed MoBi2S5 thin films. The XRD patterns confirm the synthesized and annealed thin films have nanocrystalline nature with rhombohedral-orthorhombic crystal structure. SEM micrographs indicate that, nanoflowers exhibit sharper end after annealing. The optical absorption study illustrates that the optical band gap energy has been decrease from 2.0 eV to 1.75 eV with annealing. Finally, applicability of synthesized thin films has been checked for PEC property. The J-V curves revealed that synthesized thin film photoanodes are suitable for PEC cell application. As well, used simple, economical method has great potential for synthesis of various thin film materials. |
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| Keywords: | Economical rapid aqueous method Thin films Microwave assisted synthesis SEM XRD EDS Photoelectrochemical property |
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