Light-emitting diodes (LEDs) have been regarded as the best artificial source of light for a plant factory. However, the effect of light quality on seedling production in such environments requires further study. On the basis of the practical application of light on cucumber seedlings (Ansha Company) in plant factories, the present investigation tracked and recorded the specific effects of red and blue light on the growth of the seedlings by analyzing the photo-biological mechanism involved. The growth parameters, as well as the photosynthetic characteristics of cucumber seedlings, were measured at different variations of light quality. The results showed that when the proportion of red light in the light source was higher than blue light, the height of the seedlings, leaf size, stem diameter, Dixon Quality Index (DQI), relative chlorophyll content, and the net photosynthetic rate were higher than those of the experimental group with a relatively high proportion of blue light. In the case of R7B3 (70% red light and 30% blue light), the stem diameter, DQI, and net photosynthetic rate of seedlings were 14%, 57%, and 22% higher than the minimum value, respectively. The present study analyzed the influence of red and blue light on plant growth characteristics during actual production and provides standardization for it.
Photocatalysis materials have gained significant attention as a powerful tool for environmental remediation and green energy generation, due to their remarkable ability to convert solar energy into chemical energy efficiently. Additionally, photocatalysis also plays a significant role in the medical realm, facilitating advancements in drug synthesis. However, the wavelengths of photocatalysis light normally focus on UV light, which is usually generated by higher energy. In recent years, the spotlight has shifted towards visible-light photocatalysis as a promising green and sustainable alternative due to the increasing concerns about environmental challenges and energy crises. This review focuses on the recent advancements in visible-light photocatalysis materials and emphasizes the diverse types of photocatalytic materials and their impactful applications in environmental remediation, organic synthesis chemistry, and energy conversion. Furthermore, the prevailing challenges and potential solutions in visible-light photocatalysis materials are also summarized to provide valuable insights for the further development and optimization of photocatalysis. Received: 25 April 2024 | Revised: 24 July 2024 | Accepted: 10 January 2025 Conflicts of Interest Jun Zou is an Editorial Board Member for Journal of Optics and Photonics Research and was not involved in the editorial review or the decision to publish this article. The authors declare that they have no conflicts of interest to this work. Data Availability Statement Data are available from the corresponding author upon reasonable request. Author Contribution Statement Xiaoyang Li: Investigation, Resources, Writing – original draft. Sihan Lin: Investigation. Rongrong Hu: Conceptualization, Investigation, Resources, Writing – review & editing, Supervision, Funding acquisition. Pan Liang: Investigation. Qiaoyun Wu: Investigation, Resources. Bobo Yang: Investigation. Shengquan Lin: Investigation. Quanlong Xu: Investigation. Junnan Mei: Investigation. Jun Zou: Conceptualization, Investigation, Supervision, Funding acquisition.
2D ODASnBr4 microcrystals with broad band emission centered at 586 nm and a high PL quantum yield of 98.22% were achieved by a facile saturation recrystallization process in ambient environmental conditions.