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- Publications
- Influence
Thin film deposition of Cu2O and application for solar cells
- K. Akimoto, S. Ishizuka, M. Yanagita, Y. Nawa, G. Paul, T. Sakurai
- Materials Science
- 1 June 2006
Abstract Deposition conditions of cuprous oxide (Cu2O) thin films on glass substrates and nitrogen doping into Cu2O were studied by using reactive radio-frequency magnetron sputtering method. The… Expand
Role of surface electronic structure in thin film molecular ordering.
- G. Thayer, J. Sadowski, F. Meyer Zu Heringdorf, T. Sakurai, R. Tromp
- Materials Science, Medicine
- Physical review letters
- 16 December 2005
We show that the orientation of pentacene molecules is controlled by the electronic structure of the surface on which they are deposited. We suggest that the near-Fermi level density of states above… Expand
Na-induced variations in the structural, optical, and electrical properties of Cu(In,Ga)Se2 thin films
- S. Ishizuka, A. Yamada, +5 authors S. Niki
- Materials Science
- 7 August 2009
The systematic variations in the structural, optical, and electrical properties of polycrystalline Cu(In,Ga)Se2 (CIGS) thin films with Na doping level were investigated. Precise control of the Na… Expand
CIGS solar cell with MBE-grown ZnS buffer layer
- M. Islam, S. Ishizuka, +4 authors K. Akimoto
- Chemistry
- 1 June 2009
Abstract Cu(In 0.52 Ga 0.48 )Se 2 solar cell performance with an MBE-grown ZnS buffer layer was studied. It was found that cell performance with the ZnS buffer layer was inferior compared to that… Expand
Energy Level Alignment at Interfaces in Metal Halide Perovskite Solar Cells
- Shenghao Wang, T. Sakurai, Weijia Wen, Yabing Qi
- Materials Science
- 1 November 2018
Thickness study of Al:ZnO film for application as a window layer in Cu(In1−xGax)Se2 thin film solar cell
- M. Islam, S. Ishizuka, +4 authors K. Akimoto
- Materials Science
- 15 February 2011
Structural, electrical and optical properties of Al doped ZnO (Al:ZnO) thin film of various thicknesses, grown by radio-frequency magnetron sputtering system were studied in relation to the… Expand
Ellipsometric study of an organic template effect : H2Pc/PTCDA
- O. Gordan, T. Sakurai, M. Friedrich, K. Akimoto, D. Zahn
- Materials Science
- 1 December 2006
Abstract A key prerequisite for fabricating opto-electronic devices with organic molecules is to control the molecular growth mode. In this work we present an ellipsometric study of the templating… Expand
Time-Resolved Microphotoluminescence Study of Cu(In,Ga)Se2
- T. Sakurai, Kei Taguchi, +5 authors K. Akimoto
- Materials Science
- 20 May 2011
The carrier recombination processes in Cu(In1-x,Gax)Se2 (CIGS) thin films were investigated by time-resolved microscopic-photoluminescence (µ-PL) measurement at room temperature. For films with x =… Expand
Impurities removal process for high-purity silica production from diatomite
- I. Abdellaoui, M. Islam, T. Sakurai, S. Hamzaoui, K. Akimoto
- Chemistry
- 1 August 2018
Abstract This study presents a novel chemical process for the extraction of high purity silica from diatomite. The process involves leaching of raw diatomite with acid prior to alkali extraction,… Expand
Energy band bending induced charge accumulation at fullerene/bathocuproine heterojunction interface
- S. Wang, T. Sakurai, R. Kuroda, K. Akimoto
- Materials Science
- 12 June 2012
The electronic properties of fullerene (C60)/bathocuproine (BCP)/Ag heterostructures were studied as a function of the BCP layer thickness by photoemission spectroscopy. For the thin BCP layer, the… Expand
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