Study on local oxygen absorption/desorption dynamics onto 2D materials probed by potential-sensitive THz radiation

Filchito Renee Bagsican; Andrew Winchester; Sujoy Ghosh; Xiang Zhang; Lulu Ma; Minjie Wang; Hironaru Murakami; Saikat Talapatra; Robert Vajtai; Pulickel M. Ajayan; Junichiro Kono; Iwao Kawayama; Masayoshi Tonouchi

doi:10.1364/ISUPTW.2016.IT5A.1

Study on local oxygen absorption/desorption dynamics onto 2D materials probed by potential-sensitive THz radiation

Filchito Renee Bagsican, Andrew Winchester, Sujoy Ghosh, Xiang Zhang, Lulu Ma, Minjie Wang, Hironaru Murakami, Saikat Talapatra, Robert Vajtai, Pulickel M. Ajayan, Junichiro Kono, Iwao Kawayama, Masayoshi Tonouchi

Nanofabrication Research Laboratory

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

In the present work, a new approach to visualize a local kinetics of oxygen absorption/desorption onto atomic-scale 2D materials is introduced and applied for grapheme and a-few-layer tungsten disulfur. A principle that waveforms of terahertz radiation from 2D materialcoated InP are strong dependent on the surface potential of InP, being affected sensitively with the absorbates is employed, and the waveforms are analyzed, which enables us to estimate the adsorption energy of the molecules on the 2D materials. Since the THz waves are emitted only from the area excited with femtosecond laser pulses, scanning the laser beam on the sample provides the image of local adsorption dynamics with a resolution of the beam diameter. The new approach will bring a new potential tool for the study of molecular adsorption dynamics onto 2D materials.

Original language	English
Title of host publication	International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016
Publisher	Optica Publishing Group (formerly OSA)
ISBN (Print)	9781943580217
DOIs	https://doi.org/10.1364/ISUPTW.2016.IT5A.1
State	Published - 2016
Event	International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016 - Chongqing, China Duration: Oct 10 2016 → Oct 12 2016

Publication series

Name	Optics InfoBase Conference Papers
ISSN (Electronic)	2162-2701

Conference

Conference	International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016
Country/Territory	China
City	Chongqing
Period	10/10/16 → 10/12/16

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10.1364/ISUPTW.2016.IT5A.1

Cite this

Bagsican, F. R., Winchester, A., Ghosh, S., Zhang, X., Ma, L., Wang, M., Murakami, H., Talapatra, S., Vajtai, R., Ajayan, P. M., Kono, J., Kawayama, I., & Tonouchi, M. (2016). Study on local oxygen absorption/desorption dynamics onto 2D materials probed by potential-sensitive THz radiation. In International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016 (Optics InfoBase Conference Papers). Optica Publishing Group (formerly OSA). https://doi.org/10.1364/ISUPTW.2016.IT5A.1

@inproceedings{b4256becb9ba4c22bb1a294c6442c24c,

title = "Study on local oxygen absorption/desorption dynamics onto 2D materials probed by potential-sensitive THz radiation",

abstract = "In the present work, a new approach to visualize a local kinetics of oxygen absorption/desorption onto atomic-scale 2D materials is introduced and applied for grapheme and a-few-layer tungsten disulfur. A principle that waveforms of terahertz radiation from 2D materialcoated InP are strong dependent on the surface potential of InP, being affected sensitively with the absorbates is employed, and the waveforms are analyzed, which enables us to estimate the adsorption energy of the molecules on the 2D materials. Since the THz waves are emitted only from the area excited with femtosecond laser pulses, scanning the laser beam on the sample provides the image of local adsorption dynamics with a resolution of the beam diameter. The new approach will bring a new potential tool for the study of molecular adsorption dynamics onto 2D materials.",

author = "Bagsican, {Filchito Renee} and Andrew Winchester and Sujoy Ghosh and Xiang Zhang and Lulu Ma and Minjie Wang and Hironaru Murakami and Saikat Talapatra and Robert Vajtai and Ajayan, {Pulickel M.} and Junichiro Kono and Iwao Kawayama and Masayoshi Tonouchi",

note = "Publisher Copyright: {\textcopyright} OSA 2016.; International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016 ; Conference date: 10-10-2016 Through 12-10-2016",

year = "2016",

doi = "10.1364/ISUPTW.2016.IT5A.1",

language = "English",

isbn = "9781943580217",

series = "Optics InfoBase Conference Papers",

publisher = "Optica Publishing Group (formerly OSA)",

booktitle = "International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016",

}

Bagsican, FR, Winchester, A, Ghosh, S, Zhang, X, Ma, L, Wang, M, Murakami, H, Talapatra, S, Vajtai, R, Ajayan, PM, Kono, J, Kawayama, I & Tonouchi, M 2016, Study on local oxygen absorption/desorption dynamics onto 2D materials probed by potential-sensitive THz radiation. in International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016. Optics InfoBase Conference Papers, Optica Publishing Group (formerly OSA), International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016, Chongqing, China, 10/10/16. https://doi.org/10.1364/ISUPTW.2016.IT5A.1

Study on local oxygen absorption/desorption dynamics onto 2D materials probed by potential-sensitive THz radiation. / Bagsican, Filchito Renee; Winchester, Andrew; Ghosh, Sujoy et al.
International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016. Optica Publishing Group (formerly OSA), 2016. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Study on local oxygen absorption/desorption dynamics onto 2D materials probed by potential-sensitive THz radiation

AU - Bagsican, Filchito Renee

AU - Winchester, Andrew

AU - Ghosh, Sujoy

AU - Zhang, Xiang

AU - Ma, Lulu

AU - Wang, Minjie

AU - Murakami, Hironaru

AU - Talapatra, Saikat

AU - Vajtai, Robert

AU - Ajayan, Pulickel M.

AU - Kono, Junichiro

AU - Kawayama, Iwao

AU - Tonouchi, Masayoshi

PY - 2016

Y1 - 2016

N2 - In the present work, a new approach to visualize a local kinetics of oxygen absorption/desorption onto atomic-scale 2D materials is introduced and applied for grapheme and a-few-layer tungsten disulfur. A principle that waveforms of terahertz radiation from 2D materialcoated InP are strong dependent on the surface potential of InP, being affected sensitively with the absorbates is employed, and the waveforms are analyzed, which enables us to estimate the adsorption energy of the molecules on the 2D materials. Since the THz waves are emitted only from the area excited with femtosecond laser pulses, scanning the laser beam on the sample provides the image of local adsorption dynamics with a resolution of the beam diameter. The new approach will bring a new potential tool for the study of molecular adsorption dynamics onto 2D materials.

AB - In the present work, a new approach to visualize a local kinetics of oxygen absorption/desorption onto atomic-scale 2D materials is introduced and applied for grapheme and a-few-layer tungsten disulfur. A principle that waveforms of terahertz radiation from 2D materialcoated InP are strong dependent on the surface potential of InP, being affected sensitively with the absorbates is employed, and the waveforms are analyzed, which enables us to estimate the adsorption energy of the molecules on the 2D materials. Since the THz waves are emitted only from the area excited with femtosecond laser pulses, scanning the laser beam on the sample provides the image of local adsorption dynamics with a resolution of the beam diameter. The new approach will bring a new potential tool for the study of molecular adsorption dynamics onto 2D materials.

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U2 - 10.1364/ISUPTW.2016.IT5A.1

DO - 10.1364/ISUPTW.2016.IT5A.1

M3 - Conference contribution

AN - SCOPUS:85165752395

SN - 9781943580217

T3 - Optics InfoBase Conference Papers

BT - International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016

PB - Optica Publishing Group (formerly OSA)

T2 - International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016

Y2 - 10 October 2016 through 12 October 2016

ER -

Bagsican FR, Winchester A, Ghosh S, Zhang X, Ma L, Wang M et al. Study on local oxygen absorption/desorption dynamics onto 2D materials probed by potential-sensitive THz radiation. In International Symposium on Ultrafast Phenomena and Terahertz Waves, ISUPTW 2016. Optica Publishing Group (formerly OSA). 2016. (Optics InfoBase Conference Papers). doi: 10.1364/ISUPTW.2016.IT5A.1

Study on local oxygen absorption/desorption dynamics onto 2D materials probed by potential-sensitive THz radiation

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