Supplementary materials

Cu-doped TiO2/reduced graphene oxide thin-film photocatalysts:

Effect of Cu content upon methylene blue removal in water

Thanh-Truc Pham1, Chinh Nguyen-Huy1, Hyun-Jun Lee1, Thuy-Duong Nguyen-Phan1, Tae

Hwan Son2, Chang-Koo Kim3, and Eun Woo Shin1*

1Laboratory of Surface Engineering, Department of Chemical Engineering, University of Ulsan,

Daehakro 93, Nam-gu, Ulsan 680-749, South Korea.

2 Tae Sung Environment Institute Co. Ltd., Daehakro 44, Nam-gu, Ulsan 680-749, South Korea.

3 Department of Chemical Engineering and Department of Energy Systems Research, Ajou

University, 206 Worldcup-ro, Yeongtong-gu, Suwon 443-749, Korea

* Correspondence: Eun Woo Shin, School of Chemical Engineering, University of Ulsan,

Daehakro 93, Nam-gu, Ulsan 680-749, South Korea.

Tel.: +82 52 259 2253; Fax: +82 52 259 1689.

e-mail: ewshin@ulsan.ac.kr

1.

Figure S1. Typical elemental mapping of 0-CTG-5.

Figure S2. Typical elemental mapping of 1-CTG-5.

Figure S3. Typical elemental mapping of 5-CTG-5.

Figure S4. (a) TGA and (b) DTG curves of Cu-doped TiO2/RGO composites.