Synergistic contribution to the enhanced charge transfer of the silver/4-mercaptobenzoic acid/polyaniline (Ag/MBA/PAN) system: thickness-dependent of PAN

Pan, Yuenan; Chu, Qi; Guo, Shuang; Jin, Sila; Park, Eungyeong; Park, Yeonju; Sun, Ya‐Guang; Chen, Lei; Jung, Young Mee

doi:10.1016/j.apsusc.2022.152863

Cited by 3 publications

(1 citation statement)

References 42 publications

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“…The Fermi energy level of Ag was found to be −4.84 eV. The highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy levels of MBA were previously reported to be −8.48 and −3.21 eV, 54 respectively. We analyzed the Ag-MBA-PANI system using ultraviolet photoelectron spectroscopy and found that under vacuum, the energies of the HOMO and LUMO of PANI were −5.63 and −2.51 eV, respectively.…”

Section: The Journal Of Physical Chemistry Cmentioning

confidence: 87%

Surface Plasmon Resonance-Induced Charge Transfer in Ag/Mercaptobenzoic Acid/Polyaniline Sandwich Structures

Yang,

Guo,

Park

et al. 2024

J. Phys. Chem. C

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Tunable surface plasmon resonance (SPR) of silver (Ag) films fabricated via magnetron sputtering technology was achieved. The experimental findings demonstrated that the thickness of the Ag film gradually increased with increasing sputtering time, resulting in a red shift of the SPR peak. To investigate the charge transfer (CT) induced by SPR in a metal/probe molecule/ organic semiconductor system, a composite system composed of Ag nanoparticles, mercaptobenzoic acid (MBA), and polyaniline (PANI) was prepared by a layered assembly method. Notably, the surface-enhanced Raman scattering (SERS) intensity of the Ag/ MBA/PANI system increased significantly with the introduction of PANI. The contribution of CT was evaluated by using the CT degree of the Ag/MBA/PANI system. On the basis of these results, the CT direction was confirmed by 2D correlation spectroscopy, revealing that the Ag/MBA/PANI system had good stability and excellent SERS performance. This development opens up novel possibilities and perspectives for the fabrication of SERS-active substrates.

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Section: The Journal Of Physical Chemistry Cmentioning

confidence: 87%

Surface Plasmon Resonance-Induced Charge Transfer in Ag/Mercaptobenzoic Acid/Polyaniline Sandwich Structures

Yang,

Guo,

Park

et al. 2024

J. Phys. Chem. C

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Organic and inorganic semiconducting materials-based SERS: recent developments and future prospects

Ozdemir,

Ozkan Hukum,

Usta

et al. 2024

J. Mater. Chem. C

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Diverse Applications of Two-Dimensional Correlation Spectroscopy (2D-COS)

Park,

Noda,

Jung

2024

Appl Spectrosc

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This second of the two-part series of a comprehensive survey review provides the diverse applications of two-dimensional correlation spectroscopy (2D-COS) covering different probes, perturbations, and systems in the last two years. Infrared spectroscopy has maintained its top popularity in 2D-COS over the past two years. Fluorescence spectroscopy is the second most frequently used analytical method, which has been heavily applied to the analysis of heavy metal binding, environmental, and solution systems. Various other analytical methods including laser-induced breakdown spectroscopy, dynamic mechanical analysis, differential scanning calorimetry, capillary electrophoresis, seismologic, and so on, have also been reported. In the last two years, concentration, composition, and pH are the main effects of perturbation used in the 2D-COS fields, as well as temperature. Environmental science is especially heavily studied using 2D-COS. This comprehensive survey review shows that 2D-COS undergoes continuous evolution and growth, marked by novel developments and successful applications across diverse scientific fields.

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Synergistic contribution to the enhanced charge transfer of the silver/4-mercaptobenzoic acid/polyaniline (Ag/MBA/PAN) system: thickness-dependent of PAN

Cited by 3 publications

References 42 publications

Surface Plasmon Resonance-Induced Charge Transfer in Ag/Mercaptobenzoic Acid/Polyaniline Sandwich Structures

Surface Plasmon Resonance-Induced Charge Transfer in Ag/Mercaptobenzoic Acid/Polyaniline Sandwich Structures

Organic and inorganic semiconducting materials-based SERS: recent developments and future prospects

Diverse Applications of Two-Dimensional Correlation Spectroscopy (2D-COS)

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