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It is significant to design an electrode with high carrier separation and transport efficiency in photoelectrochemical water splitting system. In this work, we utilize a facile H2O2 etching method for...

The number of elderly Internet users has increased significantly in the past few years. However, the impact of Internet use on mental health remains unclear. In this study, we performed a difference-in-differences analysis using data from the 2016 and 2018 waves of the China Family Panel Studies (CFPS) to evaluate the impact of Internet usage on mental health among elderly individuals. A total of 5031 validated respondents were included to explore the relationship between Internet use and reduced levels of depression as well as improved life satisfaction among elderly individuals. The results showed that Internet use significantly reduced depression levels. Unexpectedly, Internet use was not found to improve life satisfaction. Moreover, discontinuing Internet use was not significantly associated with improvements in depression or life satisfaction. More research is needed to fully elucidate the relationship between Internet use and depression levels, as well as life satisfaction among elderly individuals.

The novel one-dimensional core-shell zinc ferrite (ZnFe2O4) p-n homojunction is prepared by a facile two-step hydrothermal method. Core-shell homojunction is constructed by decorating p-type Ni-ZnFe2O4 (shell) on n-type ZnFe2O4 (core)....

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