Journal
DAE SOLID STATE PHYSICS SYMPOSIUM 2019
Volume 2265, Issue -, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/5.0018471
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The photoluminescence increment in chloride doped all-inorganic rubidium lead iodide (RbPbI3) perovskite has been reported. The pristine RbPbI3 perovskite was synthesized by a simple sol gel method and the crystals are found to be polycrystalline in nature having orthorhombic symmetry. Whereas, an increase in diffracting angles and band gap could be observed upon insertion of chloride in the perovskite structure. Moreover, the photoluminescence (PL) characteristics of the pristine perovskite demonstrated near band edge emission with poor intensity. But, an increasing trend of the PL intensity was observed for chloride doped crystals. Interestingly, an emission intensity more than 10(2) in order was observed when the chloride concentration was 30% with respect to the iodide. Thus, the increment in band gap due to chloride doping makes the RbPbI3 more flexible for wide range of optoelectronic devices. Further, the enhanced emission characteristics of the chloride doped perovskite enriches its implication in optoelectronic devices. Finally, we conclude that the RbPbI3 perovskite could be utilized in various application via optimized incorporation of chloride.
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