Graphene oxide/carbon dot composite: a new photoelectrode material for photocurrent response enhancement

Literature Information

Publication Date 2015-11-19
DOI 10.1039/C5CP05616K
Impact Factor 3.676
Authors

Ze Yang, Juan Xiao, Jia-Yun Wan, Zhong-Guo Liu, Ting-Ting Cao, Wen-Jie Zhang, Hang-Xing Wang


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Abstract

Low-dimensional carbon nanocomposite-based architectures and anchoring zero-dimensional carbon dots on two-dimensional graphene sheets may provide an important approach to develop energy harvesting and conversion strategies. In this work, as a novel photoelectrode with a high photocurrent response performance based on a composite made with all carbon-based materials consisting of p-type graphene oxide (GO) and n-type nitrogen, sulfur co-doped carbon dot (NS-CD) has been prepared via the electrophoretic deposition approach. The photoelectrochemical measurement shows that the GO/NS-CD composite greatly suppresses the charge recombination and evidently enhances the photocurrent response activity. It is anticipated that this work may pave a valuable step for the further development of all carbon-based optoelectronic devices with excellent performance.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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