Ultra-sensitive, sustainable, and selective electrochemical hydrazine detection by ALD-developed two-dimensional WO3
| Parent link: | ChemElectroChem Vol. 5, iss. 2.— 2018.— [P. 266-272] |
|---|---|
| 企業作者: | |
| 其他作者: | , , , , , , |
| 總結: | Title screen Wafer-scale two-dimensional (2D) WO3 films with different thicknesses of 0.78, 1.4, 3.6, and 6.5 nm were fabricated on Au-SiO2/Si substrates using an atomic layer deposition technique. Their surface morphologies and chemical components were examined by field-emission scanning electron microscopy, atomic force microscopy and X-ray photoelectron spectroscopy. Cyclic voltammetry, chronoamperometry and electrochemical impedance spectroscopy were utilized for the analysis of the electrochemical behavior of 2D WO3 films towards hydrazine detection under various conditions. The effect of the thickness of 2D WO3 on the electrochemical performance was also analyzed. Significant improvement in hydrazine sensing capabilities was obtained for monolayer 2D WO3 (0.78 nm), demonstrating a high sensitivity of 1.24 [mu]A μM−1 cm−2, a linear hydrazine concentration detection ranging from 0.2 to 2100 [mu]M, great long-term stability, excellent selectivity and the lowest limit of detection of 0.015 [mu]M reported to date, which provide a great potential method for materials fabrication in the development of high-performance hydrazine detection. |
| 語言: | 英语 |
| 出版: |
2018
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| 主題: | |
| 在線閱讀: | https://doi.org/10.1002/celc.201700968 |
| 格式: | 電子 Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=667248 |
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| 200 | 1 | |a Ultra-sensitive, sustainable, and selective electrochemical hydrazine detection by ALD-developed two-dimensional WO3 |f Wei Zihan, Hai Zhenyin, M. K. Akbari [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 56 tit.] | ||
| 330 | |a Wafer-scale two-dimensional (2D) WO3 films with different thicknesses of 0.78, 1.4, 3.6, and 6.5 nm were fabricated on Au-SiO2/Si substrates using an atomic layer deposition technique. Their surface morphologies and chemical components were examined by field-emission scanning electron microscopy, atomic force microscopy and X-ray photoelectron spectroscopy. Cyclic voltammetry, chronoamperometry and electrochemical impedance spectroscopy were utilized for the analysis of the electrochemical behavior of 2D WO3 films towards hydrazine detection under various conditions. The effect of the thickness of 2D WO3 on the electrochemical performance was also analyzed. Significant improvement in hydrazine sensing capabilities was obtained for monolayer 2D WO3 (0.78 nm), demonstrating a high sensitivity of 1.24 [mu]A μM−1 cm−2, a linear hydrazine concentration detection ranging from 0.2 to 2100 [mu]M, great long-term stability, excellent selectivity and the lowest limit of detection of 0.015 [mu]M reported to date, which provide a great potential method for materials fabrication in the development of high-performance hydrazine detection. | ||
| 461 | |t ChemElectroChem | ||
| 463 | |t Vol. 5, iss. 2 |v [P. 266-272] |d 2018 | ||
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| 610 | 1 | |a осаждение | |
| 610 | 1 | |a морфология | |
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| 701 | 0 | |a Wei Zihan | |
| 701 | 0 | |a Hai Zhenyin | |
| 701 | 1 | |a Akbari |b M. K. |g Mohammad Karbalaei | |
| 701 | 0 | |a Hu Jie | |
| 701 | 0 | |a Hyde Lachlan | |
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| 701 | 1 | |a Zhuiykov |b S. |g Serge | |
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