Research Focus

Synthetic Photorefractive Polymer Composite

Our research interest includes synthesis and characterization of p-type photoconductive polymer for photorefractive (PR) composite. The polymer is then mixed with nonlinear optical (NLO) chromophore, plasticizer and sensitizer to fabricate PR film. The study aims to achieve a fast response and high efficiency PR composite by improving charge generation, hole mobility, and controlling trap density. The fabrication of a PR film device for 3D display and communication is also a part of the research. Our current research interests are holography, photoconductive polymer, charge carriers photo-generation and transportation in PR materials as well as organic semiconductor.

Education

B.S., Polymer Material, Ho Chi Minh City University of Technology, 2010
Ph.D., Macromolecule Science and Engineering, Kyoto Institute of Technology , 2014

Awards

September 2014: Best Paper Award. Vietnamese- Japanese Students’ Scientific Exchange Meeting (VJSE) 2014.

April 2013: “International Commission for Optics (ICO) Travel Grant winner for Digital Holography 3D Imaging Topical Meeting” The Optical Society (OSA), Scientific Associate of the International Council for Science (ICSU), Affiliated Commission of the International Union of Pure and Applied Physics (IUPAP).

October 2010- September 2014: Japanese Government (MONBUKAGAKUSHO:MEXT) scholarship.

Publications

Tam Van Nguyen, Ha Ngoc Giang, Kenji Kinashi, Wataru Sakai, Naoto Tsutsumi "Photorefractivity of perylene bisimide-sensitized poly(4-(diphenylamino) benzyl acrylate" Macromolecular Chemistry and Physics 217 (2016), 1521-3935.

Ha Ngoc Giang, Kenji Kinashi, Wataru Sakai and Naoto Tsutsumi “Triphenylamine Photoconductive Polymers for High Performance Photorefractive Devices”, Journal of Photochemistry and Photobiology A: Chemistry 291 (2014), 26-33.

Ha Ngoc Giang, Kenji Kinashi, Wataru Sakai and Naoto Tsutsumi “Photorefractive response and real-time holographic application of a poly(4-(diphenylamino)benzyl acrylate)-based composite”, Polymer Journal 46 (2014), 59–66.

Ha Ngoc Giang, Kenji Kinashi, Wataru Sakai and Naoto Tsutsumi “Photorefractive Composite Based on a Monolithic Polymer”, Macromolecular Chemistry and Physics 213 (2012), 9, 982-988.