TY - JOUR ID - 13777 TI - Influence of Iron Doping on Structural and Optical Properties of Nickel Oxide Nanoparticles JO - Advanced Materials Letters JA - AML LA - en SN - 0976-3961 AU - Ahammed, Nashiruddin AU - Mehedi Hassan, M. AD - Department of Physics, Govt. General Degree College, Muragachha, Nadia, W.B. 741154, India AD - Sensor and Actuator Division, CSIR-Central Glass and Ceramic Research Institute, Kolkata, W.B. 700032, India Y1 - 2019 PY - 2019 VL - 10 IS - 10 SP - 746 EP - 751 KW - Nickel oxide nanoparticle KW - XRD KW - TEM KW - Band gap DO - 10.5185/amlett.2019.0004 N2 - In this article, auto combustion prepared Ni1-xFexO (0≤x≤0.10) nanoparticles (NPs) have been investigated for their structural, morphological and optical properties. X-ray diffraction (XRD) studies reveal that all Fe doped NiO samples crystallize in single phase without any impurity. The crystallite size monotonically decreases from 20 nm to 10 nm with increasing Fe substitution. Transmission Electron Microscope images represent that the synthesized NiO NPs with size around 28 nm. A red shift in UV-Vis spectra indicates that band gap can be tuned by Fe doping from 3.76 eV to 2.51 eV because of the upward shifting of t2g level.  The broad transmittance peak in Fourier transform infra-red spectra at 500 cm -1 is assigned to Ni–O stretching vibration mode. Differential scanning calorimetry curve revealed that the transition at 250 o C was exothermic because of structural relaxation. Copyright © VBRI Press. UR - https://aml.iaamonline.org/article_13777.html L1 - https://aml.iaamonline.org/article_13777_1f914e3386ec4a0ed543a9b2719cef45.pdf ER -