Immobilization of titania nanoparticles on the surface of cellulose fibres by a facile single step hydrothermal method and study of their photocatalytic and antibacterial activities

Safer-by-design hybrid nanostructures: an alternative to conventional titanium dioxide UV filters in skin care products

“…[38][39][40][41][42][43] Owing to the relative ease of graing or immobilizing nanoparticles, there have been some studies in the past that have used native cellulose bers or nanobers as viable substrates for TiO 2 graing using various synthesis processes to impart photocatalytic properties to the composite. [44][45][46][47][48] The easy accessibility of these cellulose bers has also made their use favorable. However, control of functionalization is more difficult owing to their complex structure (composed of amorphous and crystalline parts) and stabilization of emulsions in a well-dened way cannot be achieved via these bers of length larger than the drop diameter.…”

ZnO nanowire-immobilized paper matrices for visible light-induced antibacterial activity against Escherichia coli

“…10,20 In the past few years, cellulosic materials modified with various metal/metal oxide NPs have become an emerging research area that has attracted great attention especially as an antimicrobial material by preventing/inhibiting the growth of microorganisms. [20][21][22][23][24][25][26][27] Other potential applications of these NP-modified cellulosic materials are photocatalysis, water purification, etc. 28,29 Among the metal oxides, ZnO NPs (band gap energy in bulk E g = 3.37 eV) have shown good photocatalytic, optical, magnetic, electrical, and photochemical properties and antimicrobial activity and thus have potential applications in gas sensors, solar cells, nanolasers, piezoelectric nanogenerators, optoelectronic devices, biodevices, biology, etc.…”

“…33,34 Very recently, our group has developed a singlestep in situ hydrothermal method to immobilize the TiO 2 NPs on the cellulose fibers of paper matrices with high retention %. 25,26 Both the synthesis of the nanostructures and their immobilization occur simultaneously. In the present research, a similar hydrothermal synthesis was performed to test the applicability of the method for the immobilization of ZnO nanostructures on the surface of the cellulose fibers.…”

Zinc Metal–Organic Framework Growing on the Surface of Fruit Peels and Its Photocatalytic Activity

“… 31 − 33 In addition, the reduction of the strength of cellulose O–H stretching vibration of biomasses/ZIF-8 at 3400–3200 cm –1 is due to the interaction between the hydroxyl group and Zn 2+ . 34 , 35 The spectrum bands at 1747,1745,1735, and 1733 cm –1 are caused by C=O stretching vibration of the carboxyl group. 32 As shown in Figure 2 a, in shaddock peel/ZIF-8 and orange peel/ZIF-8, the stretching vibration band of Zn–N is around 422 cm –1 .…”