Mechanochemical synthesis of nanocrystalline ZnWO4 at room temperature

Characterization and photoactivity of coupled ZnO–ZnWO4 catalysts prepared by a sol–gel method

“…Zinc tungstate (ZnWO 4 ) is a promising material for applications in heterogeneous photocatalysis due to its interesting physical and chemical properties [25][26][27][28][29][30][31][32][33][34][35][36][37][38][39]. Zhu and coworkers reported that ZnWO 4 exhibited relatively high photocatalytic activity for the degradation of aqueous solutions of rhodamine B [25][26][27][28][29][30][31] and methylene blue [30,37] and also for gaseous formaldehyde [26][27][28].…”

“…Zhu and coworkers reported that ZnWO 4 exhibited relatively high photocatalytic activity for the degradation of aqueous solutions of rhodamine B [25][26][27][28][29][30][31] and methylene blue [30,37] and also for gaseous formaldehyde [26][27][28]. ZnWO 4 was efficient for the decomposition of salicylic acid [35] and the decoloration of methyl orange [37], malachite green [36,38] and rhodamine 6G [33]. Up to now ZnWO 4 photocatalysts have been synthesized by a variety of different processes including co-precipitation [26], hydrothermal methods [28][29][30][31][32][33], microwave assisted techniques [35,39] and mechanochemical synthesis at room temperature [38].…”

“…ZnWO 4 was efficient for the decomposition of salicylic acid [35] and the decoloration of methyl orange [37], malachite green [36,38] and rhodamine 6G [33]. Up to now ZnWO 4 photocatalysts have been synthesized by a variety of different processes including co-precipitation [26], hydrothermal methods [28][29][30][31][32][33], microwave assisted techniques [35,39] and mechanochemical synthesis at room temperature [38]. In the present paper we report the synthesis of ZnWO 4 and ZnO-ZnWO 4 photocatalysts obtained by a novel sol-gel method.…”

ZnO Nanorods Arrays and Heterostructures for the High Sensitive UV Photodetection

“…Metal nanoparticles (Tsuzuki & McCormick, 2004;Ding et al, 1995), ZnO nanocrystals (Tsuzuki & McCormick, 2001;Ao et al, 2006), CdS quantum dots (Patra et al, 2011) and various complex oxide nanoparticles (Pullar et al, 2007;Mancheva et al, 2011) have been synthesized by several groups using mechanosynthesis technique. For the growth of the NRs by this method, a suitable surfactant should be chosen, which play a crucial role for the growth in one-direction.…”

Application of mechanochemical synthesis of advanced materials

“…From those SEM images, nano-scale particles are always observed. So mechanochemical process are often applied to produce nano-structured materials [27][28][29][30].…”