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Phototactic Photocatalysis Enabled by Functionalizing Active Microorganisms with Photocatalyst
Advanced Sustainable Systems ( IF 6.5 ) Pub Date : 2023-11-27 , DOI: 10.1002/adsu.202300302 Zhiyong Li 1 , Guangshen Chen 1 , Pengfei Cheng 1, 2 , Zhang Zhang 1 , Junming Liu 1, 3
Advanced Sustainable Systems ( IF 6.5 ) Pub Date : 2023-11-27 , DOI: 10.1002/adsu.202300302 Zhiyong Li 1 , Guangshen Chen 1 , Pengfei Cheng 1, 2 , Zhang Zhang 1 , Junming Liu 1, 3
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Positive phototropism enables plants to take advantage of sunlight more efficiently. However, positive phototropism of plant-like photocatalyst has not been reported yet, which cause people's limited understanding on it. Therefore, developing new photocatalysts that can move toward the light source and thus speed up the photocatalytic process, is a great challenge. Herein, a biologically active photocatalyst (graphitic carbon nitride combined with algae microorganisms, g-C3N4/alga) is reported first that can behave like green plants and move toward light source, leading to a great enhancement in photocatalysis. The photocatalytic degradation efficiency of the phototactic g-C3N4/alga is improved up to 570% than that of pure g-C3N4. The phototactic g-C3N4/alga photocatalyst can effectively utilize the synergy of phototaxis of microalgae and photocatalytic activity of g-C3N4 to promote the pollutant decomposition using sunlight. Imparting photocatalyst with positive phototropism will open a new door in photocatalysis field for clean energy production, pollutant treatment, and biomass conversion.
中文翻译：
用光催化剂功能化活性微生物实现趋光光催化
正向光性使植物能够更有效地利用阳光。然而，类植物光催化剂的正向光性尚未见报道，导致人们对其认识有限。因此，开发能够向光源移动从而加速光催化过程的新型光催化剂是一个巨大的挑战。在此，首次报道了一种生物活性光催化剂（石墨氮化碳与藻类微生物结合，gC 3 N 4 /alga），它可以像绿色植物一样向光源移动，从而大大增强光催化作用。光趋gC 3 N 4 /藻的光催化降解效率比纯gC 3 N 4提高了570％ 。趋光性gC 3 N 4 /藻类光催化剂能够有效利用微藻的趋光性和gC 3 N 4的光催化活性的协同作用，利用阳光促进污染物分解。赋予光催化剂正向光性，将为光催化领域清洁能源生产、污染物处理和生物质转化打开一扇新的大门。
更新日期：2023-11-27
中文翻译：
用光催化剂功能化活性微生物实现趋光光催化
正向光性使植物能够更有效地利用阳光。然而，类植物光催化剂的正向光性尚未见报道，导致人们对其认识有限。因此，开发能够向光源移动从而加速光催化过程的新型光催化剂是一个巨大的挑战。在此，首次报道了一种生物活性光催化剂（石墨氮化碳与藻类微生物结合，gC 3 N 4 /alga），它可以像绿色植物一样向光源移动，从而大大增强光催化作用。光趋gC 3 N 4 /藻的光催化降解效率比纯gC 3 N 4提高了570％ 。趋光性gC 3 N 4 /藻类光催化剂能够有效利用微藻的趋光性和gC 3 N 4的光催化活性的协同作用，利用阳光促进污染物分解。赋予光催化剂正向光性，将为光催化领域清洁能源生产、污染物处理和生物质转化打开一扇新的大门。
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