Nanocellulose-Assisted Molecularly Engineering of Nitrogen Deficient Graphitic Carbon Nitride for Selective Biomass Photo-Oxidation

Ren Zou; Zhongxin Chen; Linxin ZhongWu YangTingzhen LiJianyun GanYunyi YangZehong ChenHaihong LaiXuehui LiChuanfu LiuShimelis AdmassieEmmanuel Iheanyichukwu IwuohaJun LuXinwen Peng

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Nanocellulose-Assisted Molecularly Engineering of Nitrogen Deficient Graphitic Carbon Nitride for Selective Biomass Photo-Oxidation

机译：Nanocellulose-Assisted Molecularly Engineering of Nitrogen Deficient Graphitic Carbon Nitride for Selective Biomass Photo-Oxidation

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Structural modulation of graphitic carbon nitride (g-C3N4) remains a majorchallenge in rational catalyst design for artificial photosynthesis of valuablechemicals. Herein, a cellulose nanofiber (CNF) assisted polymerizationis utilized to prepare 1D holey g-C_3N_4 nanorods (HCN) with nitrogenvacancies and oxygen dopants for photochemical synthesis of lactic acidvia monosaccharide photooxidation. The HCN exhibits a remarkable yieldof 75.5% for lactic acid from a wide assortment of sugars such as hexose(C5) to pentose (C6), together with an excellent hydrogen production rate of2.8 mmol h~(?1) g~(?1). Mechanistic studies confirm the rapid generation of superoxideradical is responsible for the superior activity, enjoying the synergeticeffect between nitrogen vacancies and oxygen dopants. This work providesnew directions for the design of green and efficient photocatalysts for biomassupgrading.

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《Advanced functional materials》 |2023年第29期|2301311.1-2301311.8|共8页
作者
Ren Zou; Zhongxin Chen; Linxin ZhongWu YangTingzhen LiJianyun GanYunyi YangZehong ChenHaihong LaiXuehui LiChuanfu LiuShimelis AdmassieEmmanuel Iheanyichukwu IwuohaJun LuXinwen Peng;
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State Key Laboratory of Pulp and Paper EngineeringSouth China University of TechnologyGuangzhou 510641, China;

School of Science and EngineeringThe Chinese University of Hong KongShenzhen 518172, China;

School of Materials Science and EngineeringSouth China University of TechnologyGuangzhou, Guangdong 510640, ChinaKey Laboratory for NanoElectrochemistryUniversity of the Western CapeRobert Sobukwe Road, Cape Town, Bellville 7535, South AfricaCollege of Chemical and Biological EngineeringZhejiang UniversityHangzhou, Zhejiang 310027, China;

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正文语种英语
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biomass; cellulose nanofibers; lactic acid; monosaccharides; photooxidation;

Nanocellulose-Assisted Molecularly Engineering of Nitrogen Deficient Graphitic Carbon Nitride for Selective Biomass Photo-Oxidation

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