Tuning the morphology of SrTiO3 nanocubes and their enhanced electrical conductivity

Yulia Eka Putri; Tio Putra Wendari; Annisa Aulia Rahmah; Refinel Refinel; Suhana Mohd Said; Nofrijon Sofyan; Diana Vanda Wellia

doi:10.1016/j.ceramint.2021.11.075

Tuning the morphology of SrTiO₃ nanocubes and their enhanced electrical conductivity

Yulia Eka Putri, Tio Putra Wendari, Annisa Aulia Rahmah, Refinel Refinel, Suhana Mohd Said, Nofrijon Sofyan, Diana Vanda Wellia

Department of Metallurgical and Material Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Strontium titanate (SrTiO₃) nanocubes were prepared via the solvothermal method in an isopropanol-water system, using cetyltrimethylammonium bromide (CTAB) as a capping agent and tert-butylamine (TBA) as a mineralizer. We found that the presence of TBA produced a synergistic effect in the nucleation and growth of SrTiO₃ in the solution, which enabled control over the formation of well-defined cubic particles. X-ray diffraction patterns of SrTiO₃, synthesized with the addition of 1 mol of TBA, showed a perovskite structure with high crystallinity. The presence of specific absorption peaks in the fourier-transform infrared (FTIR) spectrum confirmed the existence of CTAB and TBA on the surface of the particles. Transmission electron microscope (TEM) images showed that the sharp-edged cubic particles had narrow size distributions, and selected area electron diffraction (SAED) patterns indicated a high crystallinity. An increase in electrical conductivity values was found in the bulk samples with regular nanocube particles compared to those of non-regular nanocubes.

Original language	English
Pages (from-to)	5321-5326
Number of pages	6
Journal	Ceramics International
Volume	48
Issue number	4
DOIs	https://doi.org/10.1016/j.ceramint.2021.11.075
Publication status	Published - 15 Feb 2022

Keywords

Capping agent
Electrical conductivity
Mineralizer
Nanocube
Perovskite

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10.1016/j.ceramint.2021.11.075

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title = "Tuning the morphology of SrTiO3 nanocubes and their enhanced electrical conductivity",

abstract = "Strontium titanate (SrTiO3) nanocubes were prepared via the solvothermal method in an isopropanol-water system, using cetyltrimethylammonium bromide (CTAB) as a capping agent and tert-butylamine (TBA) as a mineralizer. We found that the presence of TBA produced a synergistic effect in the nucleation and growth of SrTiO3 in the solution, which enabled control over the formation of well-defined cubic particles. X-ray diffraction patterns of SrTiO3, synthesized with the addition of 1 mol of TBA, showed a perovskite structure with high crystallinity. The presence of specific absorption peaks in the fourier-transform infrared (FTIR) spectrum confirmed the existence of CTAB and TBA on the surface of the particles. Transmission electron microscope (TEM) images showed that the sharp-edged cubic particles had narrow size distributions, and selected area electron diffraction (SAED) patterns indicated a high crystallinity. An increase in electrical conductivity values was found in the bulk samples with regular nanocube particles compared to those of non-regular nanocubes.",

keywords = "Capping agent, Electrical conductivity, Mineralizer, Nanocube, Perovskite",

author = "Putri, {Yulia Eka} and Wendari, {Tio Putra} and Rahmah, {Annisa Aulia} and Refinel Refinel and Said, {Suhana Mohd} and Nofrijon Sofyan and Wellia, {Diana Vanda}",

note = "Funding Information: This work is supported financially by the Faculty of Mathematics and Natural Sciences of Universitas Andalas through a research fund of Dana PNBP Fakultas MIPA Universitas Andalas (Grant No.13/UN.16.03.D/PP/FMIPA/2020 ). Publisher Copyright: {\textcopyright} 2021",

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AU - Putri, Yulia Eka

AU - Wendari, Tio Putra

AU - Rahmah, Annisa Aulia

AU - Refinel, Refinel

AU - Said, Suhana Mohd

AU - Sofyan, Nofrijon

AU - Wellia, Diana Vanda

N1 - Funding Information: This work is supported financially by the Faculty of Mathematics and Natural Sciences of Universitas Andalas through a research fund of Dana PNBP Fakultas MIPA Universitas Andalas (Grant No.13/UN.16.03.D/PP/FMIPA/2020 ). Publisher Copyright: © 2021

PY - 2022/2/15

Y1 - 2022/2/15

N2 - Strontium titanate (SrTiO3) nanocubes were prepared via the solvothermal method in an isopropanol-water system, using cetyltrimethylammonium bromide (CTAB) as a capping agent and tert-butylamine (TBA) as a mineralizer. We found that the presence of TBA produced a synergistic effect in the nucleation and growth of SrTiO3 in the solution, which enabled control over the formation of well-defined cubic particles. X-ray diffraction patterns of SrTiO3, synthesized with the addition of 1 mol of TBA, showed a perovskite structure with high crystallinity. The presence of specific absorption peaks in the fourier-transform infrared (FTIR) spectrum confirmed the existence of CTAB and TBA on the surface of the particles. Transmission electron microscope (TEM) images showed that the sharp-edged cubic particles had narrow size distributions, and selected area electron diffraction (SAED) patterns indicated a high crystallinity. An increase in electrical conductivity values was found in the bulk samples with regular nanocube particles compared to those of non-regular nanocubes.

AB - Strontium titanate (SrTiO3) nanocubes were prepared via the solvothermal method in an isopropanol-water system, using cetyltrimethylammonium bromide (CTAB) as a capping agent and tert-butylamine (TBA) as a mineralizer. We found that the presence of TBA produced a synergistic effect in the nucleation and growth of SrTiO3 in the solution, which enabled control over the formation of well-defined cubic particles. X-ray diffraction patterns of SrTiO3, synthesized with the addition of 1 mol of TBA, showed a perovskite structure with high crystallinity. The presence of specific absorption peaks in the fourier-transform infrared (FTIR) spectrum confirmed the existence of CTAB and TBA on the surface of the particles. Transmission electron microscope (TEM) images showed that the sharp-edged cubic particles had narrow size distributions, and selected area electron diffraction (SAED) patterns indicated a high crystallinity. An increase in electrical conductivity values was found in the bulk samples with regular nanocube particles compared to those of non-regular nanocubes.

KW - Capping agent

KW - Electrical conductivity

KW - Mineralizer

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KW - Perovskite

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JO - Ceramics International

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Tuning the morphology of SrTiO₃ nanocubes and their enhanced electrical conductivity

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Keywords

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