A facile one-pot synthesis of blue and red luminescent thiol stabilized gold nanoclusters: a thorough optical and microscopy study

Literature Information

Publication Date 2015-07-08
DOI 10.1039/C5CP01773D
Impact Factor 3.676
Authors

Nabin Kumar Pal, Carola Kryschi


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Abstract

Here in this contribution, blue and red luminescent 1-dodecanethiol (DT) terminated gold nanoclusters (AuNC) were prepared by a simple two-step synthesis route where the first step involved the surfactant-free synthesis of bare AuNC in N,N′-dimethylformamide (DMF) and the second step is the termination of the as-prepared bare AuNC by 1-dodecanethiol. The blue and red luminescent DT-terminated AuNC were isolated by a solvent-induced precipitation followed by an ultra-centrifugation technique. Both the bare AuNC and the blue and red luminescent DT-terminated AuNC exhibit stable photoluminescence and good solubility in various solvents. The photo-physical, electronic, structural, and morphological properties of the bare AuNC and the blue and red luminescent DT-terminated AuNC were examined by performing UV-Vis absorption spectroscopy, stationary and time-resolved PL spectroscopy, X-ray photoelectron spectroscopy (XPS), femtosecond transient absorption spectroscopy, Fourier-transform infrared spectroscopy (FTIR-ATR), and high-resolution transmission electron microscopy (HRTEM) experiments.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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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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