Search Results - "Ren, Z.F."

Recent developments in earth-abundant and non-noble electrocatalysts for water electrolysis by Yu, F., Yu, L., Mishra, I.K., Yu, Y., Ren, Z.F., Zhou, H.Q.

“…Exploiting the peak excess electricity from abundant but intermittent wind and solar energy or from the overnight surplus in power grids to produce a storable…”
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Multiferroicity: the coupling between magnetic and polarization orders by Wang, K.F., Liu, J.-M., Ren, Z.F.

“…Multiferroics, defined for those multifunctional materials in which two or more kinds of fundamental ferroicities coexist, have become one of the hottest…”
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Recent progress in p-type thermoelectric magnesium silicide based solid solutions by de Boor, J., Dasgupta, T., Saparamadu, U., Müller, E., Ren, Z.F.

“…Thermoelectric materials can convert waste or process heat directly into usable electrical energy. They are therefore a fascinating opportunity to increase the…”
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High dispersion and electrocatalytic properties of platinum on well-aligned carbon nanotube arrays by Tang, H., Chen, J.H., Huang, Z.P., Wang, D.Z., Ren, Z.F., Nie, L.H., Kuang, Y.F., Yao, S.Z.

“…Platinum (Pt) electrocatalyst was electrochemically dispersed on well-aligned carbon nanotube (CNT) arrays by a potential-step method. The structure and…”
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Electrochemical characterization of carbon nanotubes as electrode in electrochemical double-layer capacitors by Chen, J.H, Li, W.Z, Wang, D.Z, Yang, S.X, Wen, J.G, Ren, Z.F

“…Carbon nanotubes uniformly 50 nm in diameter were directly grown on graphite foil. Cyclic voltammetry (CV) shows that the carbon nanotube/graphite foil…”
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Self-assembly of semiconducting oxide nanowires, nanorods, and nanoribbons by Wen, J.G., Lao, J.Y., Wang, D.Z., Kyaw, T.M., Foo, Y.L., Ren, Z.F.

“…We have synthesized three-dimensional self-assembled ZnO-based nanoscale heterostructures through the addition of alloying elements (In or Sn) during the vapor…”
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Effect of nickel, iron and cobalt on growth of aligned carbon nanotubes by HUANG, Z. P, WANG, D. Z, WEN, J. G, SENNETT, M, GIBSON, H, REN, Z. F

“…The effect of pure nickel, iron and cobalt on growth of aligned carbon nanotubes was systematically studied by plasma-enhanced hot-filament chemical vapor…”
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Joint effect of magnesium and yttrium on enhancing thermoelectric properties of n-type Zintl Mg3+Y0.02Sb1.5Bi0.5 by Song, S.W., Mao, J., Bordelon, M., He, R., Wang, Y.M., Shuai, J., Sun, J.Y., Lei, X.B., Ren, Z.S., Chen, S., Wilson, S., Nielsch, K., Zhang, Q.Y., Ren, Z.F.

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Effect of temperature on growth and structure of carbon nanotubes by chemical vapor deposition by LI, W. Z, WEN, J. G, REN, Z. F

“…The effect of temperature on growth and structure of carbon nanotubes (NTs) using chemical vapor deposition (CVD) has been investigated. Iron embedded silica…”
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Effect of gas pressure on the growth and structure of carbon nanotubes by chemical vapor deposition by LI, W. Z, WEN, J. G, TU, Y, REN, Z. F

“…The effect of gas pressure on the structure of carbon nanotubes (CNTs) has been systematically investigated in the chemical vapor deposition process. The yield…”
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Controlled growth of carbon nanotubes on graphite foil by chemical vapor deposition by Li, W.Z, Wang, D.Z, Yang, S.X, Wen, J.G, Ren, Z.F

“…Carbon nanotubes have been synthesized by chemical vapor deposition on graphite foil coated with stainless steel film as catalyst by magnetron sputtering…”
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Tribological behavior and graphitization of carbon nanotubes grown on 440C stainless steel by Hu, J.J., Jo, S.H., Ren, Z.F., Voevodin, A.A., Zabinski, J.S.

“…Vertically aligned carbon nanotube (CNT) arrays were directly grown onto 440C stainless steel substrates by plasma-enhanced chemical vapor deposition…”
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Electrochemical synthesis of polypyrrole/carbon nanotube nanoscale composites using well-aligned carbon nanotube arrays by CHEN, J. H, HUANG, Z. P, WANG, D. Z, YANG, S. X, WEN, J. G, REN, Z. F

“…Polypyrrole/carbon nanotube nanoscale composites were successfully fabricated by electrochemical deposition of polypyrrole over each of the carbon nanotubes in…”
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Sonochemical synthesis of hierarchical ZnO nanostructures by Khorsand Zak, A., Majid, W.H.abd, Wang, H.Z., Yousefi, Ramin, Moradi Golsheikh, A., Ren, Z.F.

“…► Four Solutions of zinc acetate and ammonia were prepared with same volume. ► High power ultrasound was applied to the solutions for 5, 15, 30, and 60min. ►…”
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Joint effect of magnesium and yttrium on enhancing thermoelectric properties of n-type Zintl Mg3+δY0.02Sb1.5Bi0.5 by Song, S.W., Mao, J., Bordelon, M., He, R., Wang, Y.M., Shuai, J., Sun, J.Y., Lei, X.B., Ren, Z.S., Chen, S., Wilson, S., Nielsch, K., Zhang, Q.Y., Ren, Z.F.

“…N-type Mg3Sb2-based Zintl compounds have attracted considerable interest in recent years for their high thermoelectric performance. Mg3Sb2-based compounds…”
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Anomalous transport and thermoelectric performances of CuAgSe compounds by Hong, A.J., Li, L., Zhu, H.X., Zhou, X.H., He, Q.Y., Liu, W.S., Yan, Z.B., Liu, J.-M., Ren, Z.F.

“…Copper silver selenide has two phases: low-temperature semimetal phase (α-CuAgSe) and high-temperature phonon-glass superionic phase (β-CuAgSe). In this work,…”
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Superplastic carbon nanotubes by Huang, J. Y, Chen, S, Wang, Z. Q, Kempa, K, Wang, Y. M, Jo, S. H, Chen, G, Dresselhaus, M. S, Ren, Z. F

“…The theoretical maximum tensile strain - that is, elongation - of a single-walled carbon nanotube is almost 20%, but in practice only 6% is achieved. Here we…”
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Thermoelectric properties of Ho-doped [Bi.sub.0.88][Sb.sub.0.12] by Lukas, K.C, Joshi, G, Modic, K, Ren, Z.F, Opeil, C.P

“…The Seebeck coefficients, electrical resistivities, total thermal conductivities, and magnetization are reported for temperatures between 5 and 350 K for…”
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Aligned millimeter-long carbon nanotube arrays grown on single crystal magnesia by Xiong, Guang-Yong, Wang, D.Z., Ren, Z.F.

“…Single crystal magnesium oxide (MgO) was found to be very beneficial to the growth of aligned carbon nanotube (CNT) arrays as long as 2.2 mm by chemical vapor…”
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Reversible transformation of hydrophobicity and hydrophilicity of aligned carbon nanotube arrays and buckypapers by dry processes by Wang, H.Z., Huang, Z.P., Cai, Q.J., Kulkarni, K., Chen, C.-L., Carnahan, D., Ren, Z.F.

“…Dry treatment using a combination of UV and ozone can readily change the surface of vertically aligned carbon nanotubes from superhydrophobic to…”
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