DataVXDigest Journal of Nanomaterials and BiostructuresPaper
journal article·2025-06-15Open access

Highly efficient visible light mediated photocatalytic degradation of alizarin yellow dye and antibacterial activity by polyaniline/reduced graphene oxide anchored to NiFe double layered hydroxide

Functional Materials Laboratory, Department of Chemistry Prof. Rajendra Singh (Rajju Bhaiya), Institute of Physical Sciences for Study and Research, Veer Bahadur Singh Purvanchal University, Jaunpur-222003, Uttar Pradesh, India, S. Yadav, A. Jilani, Center of Nanotechnology, King Abdul-Aziz University, Jeddah 21589, Saudi Arabia, A. Prajapati, Functional Materials Laboratory, Department of Chemistry Prof. Rajendra Singh (Rajju Bhaiya), Institute of Physical Sciences for Study and Research, Veer Bahadur Singh Purvanchal University, Jaunpur-222003, Uttar Pradesh, India, S. Sachan, Functional Materials Laboratory, Department of Chemistry Prof. Rajendra Singh (Rajju Bhaiya), Institute of Physical Sciences for Study and Research, Veer Bahadur Singh Purvanchal University, Jaunpur-222003, Uttar Pradesh, India, R. S. Yadav, Functional Materials Laboratory, Department of Chemistry Prof. Rajendra Singh (Rajju Bhaiya), Institute of Physical Sciences for Study and Research, Veer Bahadur Singh Purvanchal University, Jaunpur-222003, Uttar Pradesh, India, M. Oves, Center of Excellence in Environmental Studies, King Abdul-Aziz University, Jeddah 21589, Saudi Arabia, S. K. Chaurasia, Centre for Nanoscience & Technology, Prof. Rajendra Singh (Rajju Bhaiya), Institute of Physical Sciences for Study and Research, Veer Bahadur Singh Purvanchal University, Jaunpur-222003, Uttar Pradesh, India, A. Yadav, Green Laboratory, Department of Chemistry, Ewing Christian College (University of Allahabad) Prayagraj-211003, Uttar Pradesh, India, M. O. Ansari, Center of Nanotechnology, King Abdul-Aziz University, Jeddah 21589, Saudi Arabia, P. Kumar, Functional Materials Laboratory, Department of Chemistry Prof. Rajendra Singh (Rajju Bhaiya), Institute of Physical Sciences for Study and Research, Veer Bahadur Singh Purvanchal University, Jaunpur-222003, Uttar Pradesh, India

Digest Journal of Nanomaterials and Biostructures· Volume 20· Issue 2
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Abstract

Herein nickel-iron double layered hydroxide (NiFe-DLH) was prepared by co-precipitation and further binary rGO@NiFe-DLH and ternary Pani/rGO@NiFe-DLH composite was synthesized by doping NiFe-DLH with reduced graphene oxide (rGO) and rGO plus polyaniline (Pani) respectively by hydrothermal methodology. Upon visible light exposure the ternary composite showed superior degradation of alizarin yellow R (AYR) dye in comparison to NiFe-DLH and rGO@NiFe-DLH. The X-ray diffraction, scanning electron microscopy and photoluminescence spectroscopy were used to analyze Pani and rGO integration into the NiFe-DLH structure. The degradation efficiency of AYR dye at various conditions was employed to evaluate the photocatalytic performance of the ternary Pani/rGO@NiFe-DLH composite. A significant enhancement in the photocatalytic efficiency of ternary composite as compared to NiFe-DLH and rGO@NiFe-DLH was observed. The ternary composite showed exceptional durability and reusability throughout 10 cycles of degradation. Apart from this, antibacterial potency of the nanocomposite against gram-negative bacterium E. coli was also studied, which indicated significant growth inhibition of E. coli in liquid culture.
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Research context

NanomaterialsCompositesCatalysis & surfaces

OpenAlex topics: Conducting polymers and applications · Advanced Nanomaterials in Catalysis

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