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CdS/TiO 2 Heterojunction Semiconductor Photocatalyst CdS/TiO 2 Heterojunction Semiconductor Photocatalyst Taylor Marino, Nicole Moore, William Neer.

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Presentation on theme: "CdS/TiO 2 Heterojunction Semiconductor Photocatalyst CdS/TiO 2 Heterojunction Semiconductor Photocatalyst Taylor Marino, Nicole Moore, William Neer."— Presentation transcript:

1 CdS/TiO 2 Heterojunction Semiconductor Photocatalyst CdS/TiO 2 Heterojunction Semiconductor Photocatalyst Taylor Marino, Nicole Moore, William Neer

2 Overview Applications Type II Heterojunction Semiconductor CdS/TiO 2 Nanocomposite Method of Synthesis Methods of Characterization

3 Applications Reduction of CO 2 Reduction of CO 2 Charge Collection Charge Collection Production of Biofuels Assistance Production of Biofuels Assistance Marschall, R. Semiconductor Composites: Strategies for Enhancing Charge Carrier Separation to Improve Photocatalytic Activity. Adv. Funct. Mater. [Online] 2014, 24, 2421–2440.

4 Applications Water Splitting Marschall, R. Semiconductor Composites: Strategies for Enhancing Charge Carrier Separation to Improve Photocatalytic Activity. Adv. Funct. Mater. [Online] 2014, 24, 2421–2440.

5 Type II Heterojunction

6 Identity and Structure

7 Synthesis Method

8

9 Characterization XPS Qin, N.; Liu, Y.; Wu, W.; Shen, L.; Chen, X.; Li, Z.; Wu, L. One-Dimensional CdS/TiO 2 Nanofiber Composites as Efficient Visible-Light-Driven Photocatalysts for Selective Organic Transformation: Synthesis, Characterization, and Performance. Langmuir [Online] 2015, 31, 1203-1209.

10 Characterization XRD Liu, S.; Zhang, N.; Tang, Z.; Xu, Y. Synthesis of One-Dimensional CdS@TiO 2 Core-Shell Nanocomposites Photocatalyst for Selective Redox: The Dual Role of TiO 2 Shell. ACS Applied Materials & Interfaces [Online] 2012, 4, 6378-6385.

11 Characterization SEM Liu, S.; Zhang, N.; Tang, Z.; Xu, Y. Synthesis of One-Dimensional CdS@TiO 2 Core-Shell Nanocomposites Photocatalyst for Selective Redox: The Dual Role of TiO 2 Shell. ACS Applied Materials & Interfaces [Online] 2012, 4, 6378-6385.

12 Characterization UV/Vis Liu, S.; Zhang, N.; Tang, Z.; Xu, Y. Synthesis of One-Dimensional CdS@TiO 2 Core-Shell Nanocomposites Photocatalyst for Selective Redox: The Dual Role of TiO 2 Shell. ACS Applied Materials & Interfaces [Online] 2012, 4, 6378-6385.

13 Summary Applications Type II Heterojunction Semiconductor CdS/TiO 2 Nanocomposite Method of Synthesis Methods of Characterization

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