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1. Local Surface Plasmon Effect Solar Cells Process/Analysis

Plasmon resonance effect can be controlled wavelength or maximized by selecting nanomaterials and controlling size, structure and shape. Using hot electron by local surface plasmon effect, apply various heterojunction structure to gain an increase in light conversion efficiency by increasing photocurrent collection. To maintain the advantages of previous tandem structure solar cell and increase the light absorption efficiency, we develop a new concept of plasmon tandem solar cell consisting of plasmonic nanoparticles and one absorption layer.

Local Surface Plasmon Effect Solar Cells Process/Analysis
Further Readings
Surface Plasmon-Driven Hot Electron Flow Probed with Metal-Semiconductor Nanodiodes”,Nano Lett. 11 (10) 4251-4255 (2011)
Dual optical functionality of LSPR for RuO2 nanoparticle-ZnO nanorod hybrids grown by ALD”, J. Mater. Chem. 22, 14141-14148 (2012)
Electrical behavior of amorphous IGZO thin film transistors by embedding Au nanoparticles in the channel layer”, Applied Physics. 14 1767-17770 (2014)
"Depth-resolved band alignments of perovskite solar cells with significant interfacial effects" J. Mater. Chem. A 5 2563 (2017)
"Uniform ZnO nanorod/Cu2O core-shell structured solar cells by bottom-up RF magnetron sputtering", RSC Adv. 6 82900 (2016)

2. Solar Photocatalysis for Recyclable Clean Energy Fuel

- Hydrogen production water splitting

Hydrogen production water splitting

The water splitting is one of the most promising and cleaner method to produce hydrogen. In water splitting reaction, water and solar energy are used as source which are unlimited and environmentally cleaner. Our group synthesis various nanostructure metal oxide such as WOx, ZnO and SnSx for photocatalytic water splitting. To increase efficiency of hydrogen production reaction, various method that nanostructure, plasmon resonance effect and various additional layers are used.

- Direct conversion of Methane to Methanol/C2-C3 & Aromatic Compounds

Direct conversion of Methane to Methanol/C2-C3 & Aromatic Compounds

Current methods used to transform methane to Methanol process requires high temperature and high pressure so that is not economical and efficient. For resolving this problem, our group researches methane oxidation/C-H activation photocatalyst based on electro-photocatalyst. Our ultimate goal is direct conversion of methane to methanol direct conversion and useful carbon compounds using solar energy through formation of hot carrier in photocatalysis reaction and its plasmonic effect for optimization of nanostructure.

 

Further Readings

insights into the electronic bands of WO3/BiVO4/TiO2, revealing high solar water splitting efficiency”,J. Mater. Chem. A 5 1455 (2017)
“Enhancement of photoelectrochemical water splitting response of WO3 by means of Bi doping”, Journal of Catalysis 357 127-137  (2018)
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