High-Throughput One-Photon Excitation Pathway in 0D/3D Heterojunotions for Visible-Light Driven Hydrogen Evolution

Li Bo; Peng Wei; Zhang Jing; Lian Ji-Chun; Huang Tao; Cheng Na; Luo Ziyu; Huang Wei-Qing; Hu Wangyu; Pan Anlian; Jiang Lang; Huang Gui-Fang

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High-Throughput One-Photon Excitation Pathway in 0D/3D Heterojunotions for Visible-Light Driven Hydrogen Evolution

机译：0D / 3D异质谐振途径的高通量单光子励磁通路用于可见光驱动的氢气进化

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The development of an effective one-photon excitation pathway to improve the charge-carrier separation and mobility of semiconductors, which have been proven to be favorable for heterogeneous catalysis, is highly desirable but remains a great challenge. Herein, a high-throughput one-photon excitation pathway is reported by constructing 0D carbon dots/3D porous carbon nitride nanovesicles (denoted as CDs/PCN NVs) heterostructures for photocatalytic hydrogen evolution. In particular, the optimum CDs/PCN NVs heterostructures exhibit an impressive performance of 14.022 mmol h(-1) g(-1), which is 56.54 times higher than that of pristine CN. Detailed characterization reveals that the improved performance is primarily attributed to the high-throughput and one-photon excitation pathway. The former could be attributed to a great deal of CDs with high charge-carrier mobility coupled to PCN NVs, which enable more electrons to be photoexcited via the broad absorption response, and the multiple reflection of incident light owing to the porous nanovesicle structure with shortened route of carriers migrating toward the surface; the latter would lead to the photoinduced holes and electrons accumulated at the valence band of PCN NVs and surface of CDs, respectively, achieving an effective spatial separation. The high-throughput one-photon excitation pathway demonstrated here may provide insights into the development of nanocomposites for various related applications.

机译：已经被证明是有利于异质催化的有效单光子励磁通路的发展以改善半导体的电荷载流子分离和迁移率，这是非常理想的，但仍然是一个巨大的挑战。这里，通过构建0d碳点/ 3D多孔碳氮化纳米粒子（表示为Cds / PCN NVS）异质结构来报告高通量的单光子激发途径，用于光催化氢气进化。特别地，最佳CDS / PCN NVS异质结构表现出14.022mmol H（-1）G（-1）的令人印象深刻的性能，比原始CN高56.54倍。详细表征揭示了改进的性能主要归因于高通量和单光子励磁路径。前者可以归因于具有高电荷载流子迁移率的大量CD，其耦合到PCN NVS，这使得能够通过宽度吸收响应和由于多孔纳米粒度结构而缩短的入射光的多次反射来实现更多的电子。载体朝向表面迁移的途径;后者将导致光脉冲孔和在CD的PCN NVS和CDS表面的价带中积聚的电子，从而实现有效的空间分离。这里证明的高通量单光子激发途径可以为各种相关应用提供纳米复合材料的开发的见解。

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《Advanced Functional Materials》 |2021年第18期|2100816.1-2100816.12|共12页
作者
Li Bo; Peng Wei; Zhang Jing; Lian Ji-Chun; Huang Tao; Cheng Na; Luo Ziyu; Huang Wei-Qing; Hu Wangyu; Pan Anlian; Jiang Lang; Huang Gui-Fang;
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Hunan Univ Coll Phys & Elect Coll Mat Sci & Engn Coll Chem & Chem Engn Changsha 410082 Peoples R China;

Hunan Univ Coll Phys & Elect Coll Mat Sci & Engn Coll Chem & Chem Engn Changsha 410082 Peoples R China;

Univ Chinese Acad Sci Coll Chem Sci Beijing 100049 Peoples R China;

Hunan Univ Coll Phys & Elect Coll Mat Sci & Engn Coll Chem & Chem Engn Changsha 410082 Peoples R China;

Hunan Univ Coll Phys & Elect Coll Mat Sci & Engn Coll Chem & Chem Engn Changsha 410082 Peoples R China;

Hunan Univ Coll Phys & Elect Coll Mat Sci & Engn Coll Chem & Chem Engn Changsha 410082 Peoples R China;

Hunan Univ Coll Phys & Elect Coll Mat Sci & Engn Coll Chem & Chem Engn Changsha 410082 Peoples R China;

Hunan Univ Coll Phys & Elect Coll Mat Sci & Engn Coll Chem & Chem Engn Changsha 410082 Peoples R China;

Hunan Univ Coll Phys & Elect Coll Mat Sci & Engn Coll Chem & Chem Engn Changsha 410082 Peoples R China;

Hunan Univ Coll Phys & Elect Coll Mat Sci & Engn Coll Chem & Chem Engn Changsha 410082 Peoples R China;

Univ Chinese Acad Sci Coll Chem Sci Beijing 100049 Peoples R China;

Hunan Univ Coll Phys & Elect Coll Mat Sci & Engn Coll Chem & Chem Engn Changsha 410082 Peoples R China;

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carbon dots; carbon nitride; hydrogen evolution; one#8208; photon excitation pathway; 0D; 3D heterojunctions;

机译：碳点;碳氮化物;氢气进化;单光子励磁路径;0D;3D异电;

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1. Scalable one-pot synthesis of porous 0D/2D C_3N_4 nanocomposites for efficient visible-light driven photocatalytic hydrogen evolution [J] . Cai Guohui, Wang Jiangpeng, Wu Xiuqin, Applied Surface Science . 2018,第NOVa30期

机译：可扩展的一锅法合成多孔0D / 2D C_3N_4纳米复合材料，用于高效可见光驱动的光催化氢生成
2. 3D reticulated carbon nitride materials highuniformly capture 0D black phosphorus as 3D/ 0D composites for stable and efficient photocatalytic hydrogen evolution [J] . Song Ting, Zeng Gongchang, Zhang Piyong, Journal of Materials Chemistry, A. Materials for energy and sustainability . 2019,第2期

机译：3D网状碳氮化物质高型捕获0d黑磷作为3D / 0d复合材料，用于稳定高效的光催化氢气进化
3. CeO2 nanocrystal-modified layered MoS2/g-C3N4 as 0D/2D ternary composite for visible-light photocatalytic hydrogen evolution: Interfacial consecutive multi-step electron transfer and enhanced H2O reactant adsorption [J] . Zhu Chengzhang, Wang Yuting, Jiang Zhifeng, Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications . 2019,第期

机译：CEO2纳米晶体改性层状MOS2 / G-C3N4作为可见光光催化氢进化的0d / 2d三元复合材料：界面连续的多步电子转移和增强的H2O反应物吸附
4. The Development of Framework Catalyst for Visible-Light Driven Hydrogen Evolution [C] . Chinapang Pondchanok, Kondo Mio, Shigeyuki Masaoka 日本化学会春季年会講演予稿集 . 2018

机译：可见光驱动氢气进化骨架催化剂的发展
5. Semihydrogenated BN Sheet: A Promising Visible-light Driven Photocatalyst for Water Splitting [O] . Xingxing Li, Jin Zhao, Jinlong Yang -1

机译：半氢化BN板：可见光驱动的水分解光催化剂
6. One‐Photon Excitation Pathway: High‐Throughput One‐Photon Excitation Pathway in 0D/3D Heterojunctions for Visible‐Light Driven Hydrogen Evolution (Adv. Funct. Mater. 18/2021) [O] . Bo Li, Wei Peng, Jing Zhang, 2021

机译：单光子励磁路径：可见光驱动氢进化的0d / 3d异质结中的高通量单光子励磁路径（adv。Funct。Mater。18/2021）

High-Throughput One-Photon Excitation Pathway in 0D/3D Heterojunotions for Visible-Light Driven Hydrogen Evolution

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