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LINA JAYA DIGUNA, PH.D.

lina.diguna@pmbs.ac.id
(021) 304 50 500 ext. 2231
1st Floor, William Soeryadjaya Building, Universitas Prasetiya Mulya BSD Campus

Renewable Energy Engineering

Profile
Education
Achievements
Experience
Publication (Selected)
Profile

Lina Jaya Diguna, Ph.D currently serves as a Faculty Member as well as Vice Dean 1 for Academic and Student Affairs at Universitas Prasetiya Mulya. She received her Bachelor of Science degree from Bandung Institute of Technology in 2003. She joined Japanese Universities Studies in Science and Technology (JUSST)Program in 2001-2002 as an exchange student and then pursued her Master of Engineering degree in 2006 and Doctor of Philosophy degree in 2009 at The University of Electro-Communications, Japan. In graduate studies, she has developed a new type of photoelectrochemical-based solar cells using inverse opal structured electrode with the sensitization of semiconductor quantum dots. In addition to its optical absorption and incident photon-to-current conversion efficiency, she also characterized the ultrafast carrier dynamics using a femtosecond laser and investigated the importance role of the interfaces between quantum dots in the carrier relaxation. By proposing an appropriate surface modification, she could successfully improve the photovoltaic characteristics including energy conversion efficiency.This project was funded by Marubun Research Promotion Foundation grants. After the graduation, she joined Hitachi, Ltd. at Yokohama Research Laboratory as a researcher. In this capacity, she has conducted research in electronic assembly technology with low manufacturing cost, high performance and high reliability by developing different joint materials, device structure and assembly processes. She has published international journals with total citations more than 700 according to Scopus and international patents.

Education
  • Doctor of Philoshopy in Applied Physics and Chemistry, The University of Electro-Communications, Tokyo 2009
  • Master of Engineering in Applied Physics and Chemistry, The University of Electro-Communications, Tokyo 2006
  • Bachelor of Science in Chemistry, Institut Teknologi Bandung 2003
Achievements
  • 2006-2007 and 2007-2008 : MARUBUN Research Promotion Foundation: provides research grants,
  • 2003-2009: MEXT Japanese Government Scholarship
  • 2001: Best in Chemistry’s 98 student (2001) in Bandung Institute of Technology
  • 2001- 2002 : AIEJ (Association of International Education Japan) Scholarship
Experience
  • USBI – Sampoerna University, Indonesia, Faculty of Science and Technology – Lecturer, August 2014 – July 2015
  • Lone Star College , Jakarta, Indonesia – Adjunct Faculty August 2014 – July 2015
  • Hitachi Ltd., Japan, Yokohama Research Laboratory (formerly known as Production Engineering Research Laboratory - Researcher, April 2009 – July 2014
Publication (Selected)
  • Lina J. Diguna, Motonobu Murakami, Akira Sato, Yuki Kumagai, Taishi Ishihara, Naoki Kobayashi, Qing Shen and Taro Toyoda “Photoacoustic and Photoelectrochemical Characterization of Inverse Opal TiO2 Sensitized with CdSe Quantum Dots”, Japanese Journal of Applied Physics 45 (2006) 5563.
  • Lina J. Diguna, Qing Shen, Akira Sato, Kenji Katayama, Tsuguo Sawada and Taro Toyoda “Optical absorption and ultrafast carrier dynamics of characterization of CdSe quantum dots deposited on different morphologies of nanostructured TiO2 films”, Materials Science and Engineering C 27 (2007) 1514.
  • Lina J. Diguna, Qing Shen, Junya Kobayashi and Taro Toyoda “High efficiency of CdSe quantum-dot-sensitized TiO2 inverse opal solar cells”, Applied Physics Letters 91 (2007) 023116.
  • Qing Shen, Junya Kobayashi, Lina J. Diguna, Taro Toyoda “Effect of ZnS Coating on the Photovoltaic Properties of CdSe Quantum Dot-Sensitized Solar Cells”, Journal of Applied Physics 103 (2008) 084304.
  • Sixto Giménez, Iván Mora-Seró, Lorena Macor, Nestor Guijarro, Teresa Lana-Villarreal, RobertoGómez, Lina J. Diguna, Qing Shen, Taro Toyoda and Juan Bisquert “Improving the performance of colloidal quantum-dot-sensitized solar cells”, Nanotechnology 20 (2009) 295204.