Photocatalytic Hydrogen Production from Aqueous Methanol Using Cu/S-TiO2 Under Visible-Light

Wenyu Zhang; Shengjun Wang; Jingguo Li; Feng Ma; Xiaoyong Yang

doi:10.14233/ajchem.2015.18376

Issue

Vol. 27 No. 3 (2015): Vol 27 Issue 3

Issue Published : January 19, 2015

This work is licensed under a Creative Commons Attribution 4.0 International License.

Photocatalytic Hydrogen Production from Aqueous Methanol Using Cu/S-TiO2 Under Visible-Light

https://doi.org/10.14233/ajchem.2015.18376

Wenyu Zhang

School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology, Jinan 250353, P.R. China

Shengjun Wang

School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology, Jinan 250353, P.R. China

Jingguo Li

School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology, Jinan 250353, P.R. China

Feng Ma

School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology, Jinan 250353, P.R. China

Xiaoyong Yang

School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology, Jinan 250353, P.R. China

Corresponding Author(s) : Wenyu Zhang

zhangwy051028@126.com

Asian Journal of Chemistry, Vol. 27 No. 3 (2015): Vol 27 Issue 3
Article Published : January 18, 2015

Abstract

Copper was loaded on the S-doped TiO₂ by methods of electroless plating, wet impregnation and chemical reduction, respectively. The physical structure and chemical properties of the prepared Cu/S-TiO₂ were characterized by UV-visible, XRD, XPS, EXAFS and FESEM techniques. It was illustrated that copper species loaded by electroless copper plating and wet impregnation method were Cu₂O/CuO, while Cu/Cu₂O was loaded by chemical reduction method. The Cu/S-TiO₂ prepared by electroless plating method showed excellent visible light absorption ability. Moreover, the electroless plated copper on S-TiO₂ was highly dispersed, which could facilitate the photo-generated charges capture, transfer and separation. Thus, the catalyst exhibited the highest photocatalytic activity of the three for hydrogen generation and is up to 7.5 mmol h^-1g^-1 cat in methanol solution under visible light and a possible catalytic mechanism was proposed.

Keywords

Photocatalysis Cu/S-TiO2 Electroless plating Hydrogen Methanol solution

Zhang, W., Wang, S., Li, J., Ma, F., & Yang, X. (2015). Photocatalytic Hydrogen Production from Aqueous Methanol Using Cu/S-TiO2 Under Visible-Light. Asian Journal of Chemistry, 27(3), 1111–1116. https://doi.org/10.14233/ajchem.2015.18376

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A. Fujishima and K. Honda, Nature, 238, 37 (1972); doi:10.1038/238037a0.

H.G. Yu, R. Liu, X.F. Wang, P. Wang and J.G. Yu, Appl. Catal. B, 111-112, 326 (2012); doi:10.1016/j.apcatb.2011.10.015.

H. Liu, J. Yuan and W.F. Shangguan, Energy Fuels, 20, 2289 (2006); doi:10.1021/ef060174n.

T. Sreethawong and S. Yoshikawa, Catal. Commun., 6, 661 (2005); doi:10.1016/j.catcom.2005.06.004.

M. Hara, J. Nunoshige, T. Takata, J.N. Kondo and K. Domen, Chem. Commun., 24, 3000 (2003); doi:10.1039/b309935k.

P. Gomathisankar, D. Yamamoto, H. Katsumata, T. Suzuki and S. Kaneco, Int. J. Hydrogen Energy, 38, 5517 (2013); doi:10.1016/j.ijhydene.2013.03.014.

S. Ichikawa, Energy Convers. Manage., 36, 613 (1995); doi:10.1016/0196-8904(95)00080-W.

A. Adachi, K. Ohta and T. Mizuno, Sol. Energy, 53, 187 (1994); doi:10.1016/0038-092X(94)90480-4.

I.H. Tseng, W.C. Chang and J.C.S. Wu, Appl. Catal. B, 37, 37 (2002); doi:10.1016/S0926-3373(01)00322-8.

I.H. Tseng, J.C.S. Wu and H.Y. Chou, J. Catal., 221, 432 (2004); doi:10.1016/j.jcat.2003.09.002.

K.B. Dhanalakshmi, S. Latha, S. Anandan and P. Maruthamuthu, Int. J. Hydrogen Energy, 26, 669 (2001); doi:10.1016/S0360-3199(00)00134-8.

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T. Ohno, M. Akiyoshi, T. Umebayashi, K. Asai, T. Mitsui and M. Matsumura, Appl. Catal. A, 265, 115 (2004); doi:10.1016/j.apcata.2004.01.007.

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A.L. Linsebigler, G.Q. Lu and J.T. Yates, Chem. Rev., 95, 735 (1995); doi:10.1021/cr00035a013.

Issue

Vol. 27 No. 3 (2015): Vol 27 Issue 3

Photocatalytic Hydrogen Production from Aqueous Methanol Using Cu/S-TiO2 Under Visible-Light

Corresponding Author(s) : Wenyu Zhang

Abstract

Keywords

Full Article

Download Citation

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