Polydopamine nanofilms as visible light-harvesting interfaces for palladium nanocrystal catalyzed coupling reactions

Xie Aming; Zhang Kun; Wu FanWang NanaWang YuanWang Mingyang

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Polydopamine nanofilms as visible light-harvesting interfaces for palladium nanocrystal catalyzed coupling reactions

机译：可见聚光Polydopamine参量纳米晶体钯催化的接口耦合反应

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Light-harvesting material is of great importance for the efficient use of solar energy to drive catalytic reactions in chemistry. We herein report mussel-inspired polydopamine nanofilms as light-harvesting interfaces for heterogeneous palladium catalyzed coupling reactions under irradiation from visible light. Our strategy includes the in situ growth of palladium nanocrystals on a polydopamine nanofilm to prepare photo-catalysts and photocatalytic Suzuki coupling reactions involving a broad range of aryl bromides/iodides and arylboronic acid substrates. The polydopamine based photocatalysts could be supported on various carriers regardless of size or morphology, thus they are easily recycled and reused. A plausible photocatalytic mechanism has been proposed including light-harvesting, photoelectron-hole separation and transfer processes. This strategy also has potential for other noble metals such as platinum, indium and gold photocatalytic organic reactions such as couplings, reductions and oxidations.

机译：聚光材料具有十分重要的意义的有效利用太阳能来驱动在化学催化反应。报告mussel-inspired polydopamine参量聚光接口异构在钯催化偶联反应从可见光照射。包括钯的原位增长纳米晶体在polydopamine nanofilm准备photo-catalysts和铃木光催化涉及广泛的耦合反应芳基溴化物/碘化和arylboronic酸基板。可以支持不同运营商不管吗大小和形态,因此他们很容易回收和重用。提出了包括机制聚光,photoelectron-hole分离和转移过程。等贵金属铂、铟和金色光催化有机食品反应如联轴器、削减和氧化反应。

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《Catalysis science & technology》 |2016年第6期|1764-1771|共8页
作者
Xie Aming; Zhang Kun; Wu FanWang NanaWang YuanWang Mingyang;
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作者单位

PLA Univ Sci & Technol, State Key Lab Disaster Prevent & Mitigat Explos &, Nanjing 210007, Jiangsu, Peoples R China;

Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing 210094, Jiangsu, Peoples R China;

Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Jiangsu, Peoples R China;

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正文语种英语
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关键词
nanofilm; Oxidation; NanocrystalsVisible LightChemistryREACTIONreaction chemistryCoupling reactionSolar EnergyNoble metals;

机译：nanofilm;氧化;NanocrystalsVisibleLightChemistryREACTIONreaction chemistryCouplingreactionSolar EnergyNoble金属;

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1. Palladium-phosphinous acid complexes catalyzed Suzuki cross-coupling reaction of heteroaryl bromides with phenylboronic acid in water/alcoholic solvents [J] . Ben Li, Cuiping Wang, Guang Chen, 环境科学学报：英文版 . 2013,第006期
2. Microwave-assisted Palladium-micelle-catalyzed Suzuki Cross-coupling Reaction in Water [J] . LIN Li, LI Sheng-hai, JIANG Ri-hua 高等学校化学研究（英文版） . 2011,第004期
3. Palladium-catalyzed Suzuki-Miyaura cross-coupling reaction of organoboronic acids with N-protected 4-iodophenyl alanine linked isoxazoles [J] . E. Rajanarendar, G. Mohan, E. Kalyan Rao, 中国化学快报（英文版） . 2009,第001期
4. Nickel-promoted ligand-free palladium-catalyzed Suzuki coupling reaction [O] . Wang W, Wang RL, Wu F, 2005

机译：Nickel-promoted ligand-free palladium-catalyzed suzuki coupling reaction

Polydopamine nanofilms as visible light-harvesting interfaces for palladium nanocrystal catalyzed coupling reactions

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