Synthesis and properties of bismuth oxide nanoshell coated polyaniline nanoparticles for promising photovoltaic properties
作者： Waleed E. Mahmoud , A. A. Al-Ghamdi
DOI: 10.1002/PAT.1591
关键词: Photoluminescence 、 Oxide 、 Nanotechnology 、 Heterojunction 、 Polyaniline 、 Optoelectronics 、 Materials science 、 Nanoshell 、 Bismuth 、 Nanoparticle 、 Scanning electron microscope
摘要: A novel heterostructure made of polyaniline (PANI) nanoparticles coated by nanolayer bismuth oxide Bi2O3 was synthesized. The structure characterized scanning electron microscopy, X-ray diffraction, and transmission microscopy. These characterizations showed that the nanoshell pure crystalline, has thickness in range 10 nm. experiment on photoluminescence (PL) nanoparticle, at room temperature, shows an emission band peaked around 385 When compared with PL spectrum nanoparticles, about 100 times enhancement found nanoparticle. current density versus voltage (J–V) measurements dark illumination this heterojunction 4 orders magnitude rectification 3 under illumination. obtained power conversion efficiency (h ¼ 7.453%) much enhanced alone 8.33 T S4 %) indicates prepared represents a promising photovoltaic solar cell. Copyright 2009 John Wiley & Sons, Ltd.
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