Morphological evolution of 3D ZnO hierarchical nanostructures by diethylene glycol-assisted sol-gel synthesis for highly effective photocatalytic performance was written by Pham, Hoai Linh Linh;Nguyen, Van Hao;Nguyen, Van Khien;Tran, Nhu Hoa Thi;Le, Hong Phong Thi;Tran, Thi Huong;Nguyen, Hong Nhung;Lam, Kieu Giang Thi;Dang, Van Thanh. And the article was included in Journal of Sol-Gel Science and Technology in 2022.Quality Control of 2,2′-Oxybis(ethan-1-ol) This article mentions the following:
In this study, we focus on synthesizing various 3D ZnO hierarchical nanostructures (ZnH) for highly effective photocatalytic performance via an innovative sol-gel method using diethylene glycol as an assembly-guiding agent. The morphol. of 3D ZnH can be turned from nanospheres into nanoplate blocks and nanosheet-based flowers by increasing the concentration of diethylene glycol. Possible growth mechanisms are proposed for different assembly architectures. Anal. of characterization techniques reveal that the synthesized hierarchical structures exhibited a large sp. surface area, high degree of crystallinity, and a band gap in the range 2.95-3.11 eV, depending on their morphol. X-ray photoelectron and photoluminescence spectroscopy revealed the presence of rich oxygen vacancies introduced by the 3D ZnO hierarchical morphol. The photodegradation experiment results presented in ZnO nanosheet-based flower shown superior photoactivity of rhodamine B degradation compared with nanospheres and nanoplate blocks structures. This is attributed to the larger surface area, enhanced light absorption, and more effective photogenerated charge separation on account of their rich Vo. The establishment of relevant structural-optical property relationships is expected to provide deeper insights into the potential use of ZnH for innovative devices. Graphical abstract [graphic not available: see fulltext]. In the experiment, the researchers used many compounds, for example, 2,2′-Oxybis(ethan-1-ol) (cas: 111-46-6Quality Control of 2,2′-Oxybis(ethan-1-ol)).
2,2′-Oxybis(ethan-1-ol) (cas: 111-46-6) belongs to alcohols. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. Secondary alcohols are easily oxidized without breaking carbon-carbon bonds only as far as the ketone stage. No further oxidation is seen except under very stringent conditions.Quality Control of 2,2′-Oxybis(ethan-1-ol)
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts