Facile one-pot synthesis of 3D graphite-SiO2 composite foam for negative resistance devices

Wu Ye; Fu Hao; Roy Amitava; Song Pengfei; Lin Yingcheng; Kizilkaya Orhan; Xu Jian

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Facile one-pot synthesis of 3D graphite-SiO2 composite foam for negative resistance devices

机译：适用于负电阻装置的3D石墨-SiO2复合泡沫的舒适一锅合成

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In this study, we successfully prepare a porous graphite-SiO2 composite foam via a facile glucose-foamingbased method. The foam was characterized by XRD, XPS, SEM, Raman, and soft X-ray absorption spectroscopy of the carbon and oxygen K-edges and by silicon K-edge X-ray absorption near edge structure (XANES) spectroscopy. The electrical properties of the sample were evaluated using current-voltage measurements. The synthesized graphite-SiO2 composite foam showed negative resistance effect, i.e. an increase in the applied voltage led to a decrease in current. This negative resistance effect can be explained by two possible mechanisms: (1) the existence of defect states and (2) a change in the charge shifting amount.

机译：在该研究中，我们通过容易葡萄糖发泡方法成功地制备了多孔石墨-SiO2复合泡沫。泡沫的特征在于XRD，XPS，SEM，拉曼和碳和氧k边的软X射线吸收光谱和硅k边缘X射线吸收靠近边缘结构（Xanes）光谱。使用电流电压测量评估样品的电性能。合成的石墨-SiO 2复合泡沫显示出负电阻效应，即施加的电压的增加导致电流降低。这种负电阻效应可以通过两种可能的机制解释：（1）缺陷状态的存在和（2）电荷移位量的变化。

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来源
《RSC Advances》 |2017年第66期|共7页
作者
Wu Ye; Fu Hao; Roy Amitava; Song Pengfei; Lin Yingcheng; Kizilkaya Orhan; Xu Jian;
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作者单位

Louisiana State Univ Div Elect &

Comp Engn Coll Engn Baton Rouge LA 70803 USA;

McGill Univ Dept Mech Engn 817 Sherbrooke St West Room 270 Montreal PQ H3A 0C3 Canada;

Louisiana State Univ Ctr Adv Microstruct &

Devices 6980 Jefferson Highway Baton Rouge LA 70806 USA;

McGill Univ Dept Mech Engn 817 Sherbrooke St West Room 270 Montreal PQ H3A 0C3 Canada;

Chongqing Univ Minist Educ Key Lab Dependable Serv Comp Cyber Phys Soc Chongqing 400044 Peoples R China;

Louisiana State Univ Ctr Adv Microstruct &

Devices 6980 Jefferson Highway Baton Rouge LA 70806 USA;

Louisiana State Univ Div Elect &

Comp Engn Coll Engn Baton Rouge LA 70803 USA;

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原文格式 PDF
正文语种 eng
中图分类化学;
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1. Facile one-pot synthesis of 3D graphite-SiO2 composite foam for negative resistance devices [J] . Wu Ye, Fu Hao, Roy Amitava, RSC Advances . 2017,第66期

机译：适用于负电阻装置的3D石墨-SiO2复合泡沫的舒适一锅合成
2. Facile one-pot synthesis of 2D vanadium-doped NiCl(OH) nanoplates assembled by 3D nanosheet arrays on Ni foam for supercapacitor application [J] . Zhou Qingfeng, Gong Yun, Tao Keyu Applied Surface Science . 2019,第JUNa1期

机译：由3D纳米片阵列在镍泡沫上组装的2D钒掺杂NiCl（OH）纳米板的便捷一锅合成
3. Facile one-pot synthesis of 2D vanadium-doped NiCl(OH) nanoplates assembled by 3D nanosheet arrays on Ni foam for supercapacitor application [J] . Zhou Qingfeng, Gong Yun, Tao Keyu Applied Surface Science . 2019,第Juna1期

机译：适用于3D纳米片阵列的2D钒掺杂NiCl（OH）纳米纳米型纳米孔的纳米玻璃纳米液体的纳米玻璃铝合金组合的一罐合成
4. ONE-POT SYNTHESIS OF A NOVEL S-TRIAZINE-BASED HYPERBRANCHED CHARRING FOAMING AGENT AND ITS ENHANCEMENT ON FLAME RETARDANCY AND WATER RESISTANCE OF POLYPROPYLENE [C] . Panyue Wen, Yuan Hu 1st Asia-Oceanis symposium on fire safety materials science and engineering . 2015

机译：新型S-三嗪基超支化带电发泡剂的一锅合成及其对聚丙烯阻燃性和防水性的增强
5. Facile synthesis of Ni nanofoam for applications in energy storage devices. [D] . Liu, Chueh. 2016

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6. A Facile One-Pot Synthesis of Au/Cu2O Nanocomposites for Nonenzymatic Detection of Hydrogen Peroxide [O] . Ting Chen, Liangliang Tian, Yuan Chen, 2015

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7. Synergetic adsorption and photocatalytic degradation of pollutants over 3D TiO2-graphene aerogel composites synthesized : via a facile one-pot route [O] . Zhang JJ, Wu YH, Mei JY, 2016

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Facile one-pot synthesis of 3D graphite-SiO2 composite foam for negative resistance devices

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