Ramasundaram, Subramaniyan Son, Aseom Seid, Mingizem Gashaw Shim, Sujin Lee, Sang Hyup Chung, Yun Chul Lee, Changha Lee, Jaesang Hong, Seok Won 2024-01-20T07:33:32Z 2024-01-20T07:33:32Z 2021-09-05 2015-03 0304-3894 https://pubs.kist.re.kr/handle/201004/125732 A paper-like photocatalyst was fabricated by electrospraying an N,N'-dimethylformamide (DMF) dispersion of titanium dioxide (TiO2) nanoparticles (NPs) on a poly(vinylidene fluoride) nanofiber (PVDF NF) mat prepared by electrospinning. Morphological studies revealed that the TiO2 NPs uniformly deposited as clusters on the surface of the PVDF NF mat. The immobilized amount of TiO2 was found to be 2.08, 2.44, 3.80, and 4.73 mg per 45 cm(2) of PVDF-TiO2 hybrids for the electrospraying of 10, 20, 40, and 60 ml of TiO2-DMF, respectively. The hybrid photocatalysts were effective in degrading bisphenol A (BPA), 4-chlorophenol (4-CP), and cimetidine (CMT), which dissolved in both deionized water and secondary wastewater effluents, with activity being proportional to the quantity of TiO2 NPs immobilized. For the highest loading amount of TiO2, BPA, 4-CP, and CMT degraded completely within 100, 100, and 40 min of UV irradiation, respectively. Stable photo-oxidation of CMT was maintained through 10 repeated cycles. During these cycles, it was confirmed that there was no loss of TiO2 NPs by inductively coupled plasma optical emission spectrometry. Our results suggest that effective and stable PVDF-TiO2 hybrid photocatalysts can be fabricated on a large scale by combining electrospinning and electrospraying techniques. (C) 2014 Elsevier B.V. All rights reserved. English ELSEVIER SCIENCE BV Photocatalytic applications of paper-like poly(vinylidene fluoride)-titanium dioxide hybrids fabricated using a combination of electrospinning and electrospraying Article 10.1016/j.jhazmat.2014.12.004 1 JOURNAL OF HAZARDOUS MATERIALS, v.285, pp.267 - 276 JOURNAL OF HAZARDOUS MATERIALS 285 267 276 N scie scopus 000349880100035 2-s2.0-84919663595 Engineering, Environmental Environmental Sciences Engineering Environmental Sciences & Ecology Article TIO2 NANOPARTICLES PERFORMANCE DEGRADATION NANOTECHNOLOGY OXIDATION REACTOR PHENOL OXIDE FILM Electrospinning Electrospraying Paper-like photocatalyst Poly(vinylidene fluoride) nanofibers TiO2 nanoparticles