A Non-van der Waals Two-Dimensional Material from Natural Titanium Mineral Ore Ilmenite

Aravind Puthirath Balan; Sruthi Radhakrishnan; Ritesh Kumar; Ram Neupane; Shyam Kanta Sinha; Liangzi Deng; Carlos A. De Los Reyes; Amey Apte; B. Manmadha Rao; Maggie Paulose; Robert Vajtai; Ching Wu Chu; Gelu Costin; Angel A. Martí; Oomman K. Varghese; Abhishek K. Singh; Chandra Sekhar Tiwary; Maliemadom R. Anantharaman; Pulickel M. Ajayan

doi:10.1021/acs.chemmater.8b01935

A Non-van der Waals Two-Dimensional Material from Natural Titanium Mineral Ore Ilmenite

Aravind Puthirath Balan, Sruthi Radhakrishnan, Ritesh Kumar, Ram Neupane, Shyam Kanta Sinha, Liangzi Deng, Carlos A. De Los Reyes, Amey Apte, B. Manmadha Rao, Maggie Paulose, Robert Vajtai, Ching Wu Chu, Gelu Costin, Angel A. Martí, Oomman K. Varghese, Abhishek K. Singh, Chandra Sekhar Tiwary, Maliemadom R. Anantharaman, Pulickel M. Ajayan

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Abstract

Two-dimensional (2D) materials from naturally occurring minerals are promising and possess interesting physical properties. A new 2D material "Ilmenene" has been exfoliated from the naturally occurring titanate ore ilmenite (FeTiO₃) by employing liquid phase exfoliation in a dimethylformamide solvent by ultrasonic bath sonication. Ilmenene displays a [001] orientation that is confirmed by transmission electron microscopy. Probable charge transfer excitation from Fe²⁺Ti⁴⁺ to Fe³⁺Ti³⁺ results in ferromagnetic ordering along with the antiferromagnetic phase accompanied by enhanced anisotropy due to surface spins. The 2D nature and band gap states help ilmenene form a heterojunction photocatalyst with titania nanotube arrays, capable of broad spectrum light harvesting and separating/transferring the photogenerated charges effectively for solar photoelectrochemical water splitting.

Original language	English
Pages (from-to)	5923-5931
Number of pages	9
Journal	Chemistry of Materials
Volume	30
Issue number	17
DOIs	https://doi.org/10.1021/acs.chemmater.8b01935
Publication status	Published - 2018 Sept 11

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
Materials Chemistry

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10.1021/acs.chemmater.8b01935

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Puthirath Balan, A., Radhakrishnan, S., Kumar, R., Neupane, R., Sinha, S. K., Deng, L., De Los Reyes, C. A., Apte, A., Rao, B. M., Paulose, M., Vajtai, R., Chu, C. W., Costin, G., Martí, A. A., Varghese, O. K., Singh, A. K., Tiwary, C. S., Anantharaman, M. R., & Ajayan, P. M. (2018). A Non-van der Waals Two-Dimensional Material from Natural Titanium Mineral Ore Ilmenite. Chemistry of Materials, 30(17), 5923-5931. https://doi.org/10.1021/acs.chemmater.8b01935

@article{0a62038436944fd28498ec775a6bc5aa,

title = "A Non-van der Waals Two-Dimensional Material from Natural Titanium Mineral Ore Ilmenite",

abstract = "Two-dimensional (2D) materials from naturally occurring minerals are promising and possess interesting physical properties. A new 2D material {"}Ilmenene{"} has been exfoliated from the naturally occurring titanate ore ilmenite (FeTiO3) by employing liquid phase exfoliation in a dimethylformamide solvent by ultrasonic bath sonication. Ilmenene displays a [001] orientation that is confirmed by transmission electron microscopy. Probable charge transfer excitation from Fe2+Ti4+ to Fe3+Ti3+ results in ferromagnetic ordering along with the antiferromagnetic phase accompanied by enhanced anisotropy due to surface spins. The 2D nature and band gap states help ilmenene form a heterojunction photocatalyst with titania nanotube arrays, capable of broad spectrum light harvesting and separating/transferring the photogenerated charges effectively for solar photoelectrochemical water splitting.",

author = "{Puthirath Balan}, Aravind and Sruthi Radhakrishnan and Ritesh Kumar and Ram Neupane and Sinha, {Shyam Kanta} and Liangzi Deng and {De Los Reyes}, {Carlos A.} and Amey Apte and Rao, {B. Manmadha} and Maggie Paulose and Robert Vajtai and Chu, {Ching Wu} and Gelu Costin and Mart{\'i}, {Angel A.} and Varghese, {Oomman K.} and Singh, {Abhishek K.} and Tiwary, {Chandra Sekhar} and Anantharaman, {Maliemadom R.} and Ajayan, {Pulickel M.}",

note = "Publisher Copyright: {\textcopyright} 2018 American Chemical Society.",

year = "2018",

month = sep,

day = "11",

doi = "10.1021/acs.chemmater.8b01935",

language = "English",

volume = "30",

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Puthirath Balan, A, Radhakrishnan, S, Kumar, R, Neupane, R, Sinha, SK, Deng, L, De Los Reyes, CA, Apte, A, Rao, BM, Paulose, M, Vajtai, R, Chu, CW, Costin, G, Martí, AA, Varghese, OK, Singh, AK, Tiwary, CS, Anantharaman, MR & Ajayan, PM 2018, 'A Non-van der Waals Two-Dimensional Material from Natural Titanium Mineral Ore Ilmenite', Chemistry of Materials, vol. 30, no. 17, pp. 5923-5931. https://doi.org/10.1021/acs.chemmater.8b01935

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T1 - A Non-van der Waals Two-Dimensional Material from Natural Titanium Mineral Ore Ilmenite

AU - Puthirath Balan, Aravind

AU - Radhakrishnan, Sruthi

AU - Kumar, Ritesh

AU - Neupane, Ram

AU - Sinha, Shyam Kanta

AU - Deng, Liangzi

AU - De Los Reyes, Carlos A.

AU - Apte, Amey

AU - Rao, B. Manmadha

AU - Paulose, Maggie

AU - Vajtai, Robert

AU - Chu, Ching Wu

AU - Costin, Gelu

AU - Martí, Angel A.

AU - Varghese, Oomman K.

AU - Singh, Abhishek K.

AU - Tiwary, Chandra Sekhar

AU - Anantharaman, Maliemadom R.

AU - Ajayan, Pulickel M.

PY - 2018/9/11

Y1 - 2018/9/11

N2 - Two-dimensional (2D) materials from naturally occurring minerals are promising and possess interesting physical properties. A new 2D material "Ilmenene" has been exfoliated from the naturally occurring titanate ore ilmenite (FeTiO3) by employing liquid phase exfoliation in a dimethylformamide solvent by ultrasonic bath sonication. Ilmenene displays a [001] orientation that is confirmed by transmission electron microscopy. Probable charge transfer excitation from Fe2+Ti4+ to Fe3+Ti3+ results in ferromagnetic ordering along with the antiferromagnetic phase accompanied by enhanced anisotropy due to surface spins. The 2D nature and band gap states help ilmenene form a heterojunction photocatalyst with titania nanotube arrays, capable of broad spectrum light harvesting and separating/transferring the photogenerated charges effectively for solar photoelectrochemical water splitting.

AB - Two-dimensional (2D) materials from naturally occurring minerals are promising and possess interesting physical properties. A new 2D material "Ilmenene" has been exfoliated from the naturally occurring titanate ore ilmenite (FeTiO3) by employing liquid phase exfoliation in a dimethylformamide solvent by ultrasonic bath sonication. Ilmenene displays a [001] orientation that is confirmed by transmission electron microscopy. Probable charge transfer excitation from Fe2+Ti4+ to Fe3+Ti3+ results in ferromagnetic ordering along with the antiferromagnetic phase accompanied by enhanced anisotropy due to surface spins. The 2D nature and band gap states help ilmenene form a heterojunction photocatalyst with titania nanotube arrays, capable of broad spectrum light harvesting and separating/transferring the photogenerated charges effectively for solar photoelectrochemical water splitting.

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JO - Chemistry of Materials

JF - Chemistry of Materials

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ER -

A Non-van der Waals Two-Dimensional Material from Natural Titanium Mineral Ore Ilmenite

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