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One-Step Interfacial Integration of Graphene Oxide and Organic Chromophores into Multicomponent Nanohybrids with Photoelectric Properties
Langmuir ( IF 3.7 ) Pub Date : 2022-12-01 , DOI: 10.1021/acs.langmuir.2c02155 Alexandra I. Zvyagina 1 , Alexey E. Alexandrov 1 , Alexey A. Averin 1 , Ivan N. Senchikhin 1 , Maxim R. Sokolov 1 , Alexander A. Ezhov 2 , Alexey R. Tameev 1 , Maria A. Kalinina 1
Langmuir ( IF 3.7 ) Pub Date : 2022-12-01 , DOI: 10.1021/acs.langmuir.2c02155 Alexandra I. Zvyagina 1 , Alexey E. Alexandrov 1 , Alexey A. Averin 1 , Ivan N. Senchikhin 1 , Maxim R. Sokolov 1 , Alexander A. Ezhov 2 , Alexey R. Tameev 1 , Maria A. Kalinina 1
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A one-step protocol for interfacial self-assembly of graphene oxide (GO), glutamine-substituted perylene diimide (PDI-glu), 10,12-pentacosadiynoic acid (PCDA), and zinc acetate into three- and four-component hybrid nanofilms through hydrogen and coordination bonding was developed. The hybrids deposited onto solid supports were studied after polymerization of PCDA by UV–vis absorption, fluorescence, and Raman spectroscopies, scanning electron microscopy (SEM), and atomic force microscopy (AFM). The results of spectroscopic studies suggest that the hybrids assembled through H-bonds can maintain the light-induced Förster energy transfer from the PDI-glu chromophore to the conjugated polymer and then to GO leading to fluorescence quenching. In the hybrids assembled through coordination bonding with zinc clusters, the energy transfer proceeds from PDI-glu to the PDA polymer, whereas the transfer from PDA to GO is quenched completely. Another important characteristic of these ultrathin hybrids is their stability with respect to photobleaching of chromophores due to the acceptor properties of GO. The as-assembled hybrid nanofilms were integrated with conventional photovoltaic planar architectures to study their photoelectric properties. The zinc-containing hybrids integrated with a hole transport layer exhibited photovoltaic properties. The cell with the integrated four-component hybrid comprising both PDI-glu and PDA showed a photocurrent/dark current ratio almost an order higher than that of the three-component hybrid assembled with PDA only. The supramolecular method based on the interfacial self-assembly can be extended to a wide variety of organic chromophores and polymerizable surfactants for integrating them into multicomponent functional GO-based nanohybrids with targeted properties for organic electronics.
中文翻译：
氧化石墨烯和有机发色团一步界面整合成具有光电特性的多组分纳米杂化物
将氧化石墨烯 (GO)、谷氨酰胺取代的苝二酰亚胺 (PDI-glu)、10,12-五二十二炔酸 (PCDA) 和醋酸锌界面自组装成三组分和四组分混合纳米膜的一步协议通过氢和配位键被开发出来。在 PCDA 聚合后，通过紫外-可见吸收、荧光和拉曼光谱、扫描电子显微镜 (SEM) 和原子力显微镜 (AFM) 研究了沉积在固体支持物上的杂化物。光谱研究的结果表明，通过氢键组装的杂化物可以维持光诱导的 Förster 能量从 PDI-glu 发色团转移到共轭聚合物，然后转移到 GO，导致荧光猝灭。在通过与锌簇的配位键合组装的杂化物中，能量从 PDI-glu 转移到 PDA 聚合物，而从 PDA 到 GO 的转移被完全淬灭。这些超薄杂化物的另一个重要特征是由于 GO 的受体特性，它们在发色团光漂白方面的稳定性。组装后的混合纳米薄膜与传统的光伏平面结构相结合，以研究它们的光电特性。与空穴传输层集成的含锌杂化物表现出光伏特性。具有包含 PDI-glu 和 PDA 的集成四组分混合体的电池显示光电流/暗电流比几乎比仅用 PDA 组装的三组分混合体高一个数量级。
更新日期：2022-12-01
中文翻译：
氧化石墨烯和有机发色团一步界面整合成具有光电特性的多组分纳米杂化物
将氧化石墨烯 (GO)、谷氨酰胺取代的苝二酰亚胺 (PDI-glu)、10,12-五二十二炔酸 (PCDA) 和醋酸锌界面自组装成三组分和四组分混合纳米膜的一步协议通过氢和配位键被开发出来。在 PCDA 聚合后，通过紫外-可见吸收、荧光和拉曼光谱、扫描电子显微镜 (SEM) 和原子力显微镜 (AFM) 研究了沉积在固体支持物上的杂化物。光谱研究的结果表明，通过氢键组装的杂化物可以维持光诱导的 Förster 能量从 PDI-glu 发色团转移到共轭聚合物，然后转移到 GO，导致荧光猝灭。在通过与锌簇的配位键合组装的杂化物中，能量从 PDI-glu 转移到 PDA 聚合物，而从 PDA 到 GO 的转移被完全淬灭。这些超薄杂化物的另一个重要特征是由于 GO 的受体特性，它们在发色团光漂白方面的稳定性。组装后的混合纳米薄膜与传统的光伏平面结构相结合，以研究它们的光电特性。与空穴传输层集成的含锌杂化物表现出光伏特性。具有包含 PDI-glu 和 PDA 的集成四组分混合体的电池显示光电流/暗电流比几乎比仅用 PDA 组装的三组分混合体高一个数量级。
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