News

Welcome Dr. Zhe

7/31/2019
ECO Devices welcomes new Postdoc Zhe Zhuang!

Paper accepted in Energy Technology (Wiley)!

7/5/2019
The paper entitled “A Stand-Alone Module for Solar-Driven H2 Production Coupled with Redox-Mediated Sulfide Remediation ” reports successful H2S splitting into solid sulfur and hydrogen gas. H2S is toxic gas in crude oil plants. This is an international collaboration including KAUST and Aramco.

KAUST Photonics Summer Camp 2019 Starts.

7/1/2019
 ​Photonics Summer Camp will be held until July 31​.

Welcome Mohammed

6/27/2019
​ECO Devices welcomes new PhD student​ Mohammed Najmi​​​!

Welcome Pavel and Artem

6/20/2019
ECO Devices welcomes new PhD students Pavel Kirilenko and Artem Shushanian​​​!

Professor Kazuhiro Ohkawa elected Fellow of the Japan Society of Applied Physics

5/16/2019
Professor Kazuhiro Ohkawa elected Fellow of the Japan Society of Applied Physics​​
https://www.kaust.edu.sa/en/news/kaust-professor-kazuhiro-ohkawa-elected-fellow-of-the-japan-society-of-applied-physics

Paper accepted in Journal of Crystal Growth!

3/21/2019
The paper entitled “Influence of polymerization among Al- and Ga-containing molecules on growth rate and Al content in AlGaN” indicates the AlGaN growth mechanism. AlGaN is one of key materials for light-emitters and electronic devices.

Journal of Crystal Growth 516, pp.17–20 (2019). DOI: j.jcrysgro.2019.03.023 
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Paper accepted in Japanese Journal of Applied Physics!

3/6/2019
The paper entitled “Photoelectrochemical H2 generation from water using a CoOx/GaN photoelectrode" announced a new co-catalyst for GaN photocatalyst.

 Japanese Journal of Applied Physics 58, SCCC23 (2019).

 DOI: https://doi.org/10.7567/1347-4065/ab0f1d

Paper accepted in Nano Energy!

3/2/2019
The paper entitled “Photoelectrochemical hydrogen generation using graded In-content InGaN photoelectrode structures" proposed an effective nano-structure.
Nano Energy 59,  pp.569–573 (2019). DOI: j.nanoen.2019.03.011 
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Congratulation! Arwa won IBDA’A 5th place and special awards

2/19/2019
Arwa has earned 5th places and special awards in the IBDA’A National Olympiads, which took place in Riyadh. ​

Paper accepted in Journal of Crystal Growth!

2/8/2019
The paper entitled “Metalorganic vapor-phase epitaxial growth simulation to realize high-quality and high-In-content InGaN alloys” will inspire InGaN MOVPE growth and their LED applications.
​​​​​​Journal of Crystal Growth 512, pp.69-73 (2019).​ DOI: ​j.jcrysgro.2019.02.018​

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Paper accepted in Japanese Journal of Applied Physics!

2/8/2019
The paper entitled “Investigation of p-GaN layer thickness of InGaN-based photoelectrode for photoelectrochemical hydrogen generation” mentioned the enhancement of energy conversion efficiency by band engineering.
 Japanese Journal of Applied Physics 58, SCCC32 (2019).

Thank you, Linping Qu!

1/28/2019
Internship student Linping Qu leaves. Thank you very much!​

Prof. Ohkawa has delivered a seminar in Xiamen University, China.

12/25/2018
Prof. Ohkawa has delivered a talk about Development of Nitride Photocatalyst.

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Prof. Ohkawa has delivered a invited talk in The technical meeting of Solid State Physics and Application Division, Japanese Society of Applied Physics, Tokyo, Japan

12/17/2018
Prof. Ohkawa has delivered a talk about clean energy generation by semiconductor photoelectrodes.

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Prof. Ohkawa has delivered a invited talk in International workshop on UV materials and Devices 2018, Kunming, China.

12/10/2018
We succeeded to explain AlGaN MOVPE growth mechanism.

Daisuke's talk in IWN2018.

11/15/2018
Daisuke has delivered the talk about the band engineering of an InGaN-based photocatalyst in International Workshop on Nitride Semiconductors 2018 (IWN2018). He designed the band structure of the material for improving the photoelectrochemical hydrogen generation from water. ​

Great News! Daisuke's invited talk in IWN2018.

11/13/2018
Daisuke has delivered the invited talk in International Workshop on Nitride Semiconductors 2018 (IWN2018). He explained about the state-of-the-art high In content InGaN-based amber, orange, and red LEDs.​​

Martin has delivered the poster presentation in IWN2018.

11/12/2018
Martin has delivered the poster presentation in International Workshop on Nitride Semiconductors 2018 (IWN2018). This is the first time for him presented at an international conference. He discovered a new co-catalyst for nitride photocatalysts to split water into clean hydrogen and oxygen. 

Prof. Ohkawa has delivered a invited talk in Clean Energy Generation by Artificial Photosynthesis Based on Semiconductor Technology 28th Annual Saudi-Japan Symposium 2018.

11/12/2018
Prof. Ohkawa has delivered a talk about clean energy generation by semiconductor photoelectrodes.

Prof. Ohkawa has delivered a invited talk in 15th China International Forum on Solid State Lighting & 2018 International Forum on Wide Bandgap Semiconductors.

10/24/2018
Prof. Ohkawa has delivered a talk about solid-state lighting and related nitride MOVPE growth.

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MOCVD growth starts!!

10/9/2018
ECO Devices Lab starts to grow III-Nitride materials by MOCVD. ​​

Prof. Ohkawa has delivered a seminar in Polish Center for Technology Development, Wroclaw, Poland.

8/13/2018
Prof. Ohkawa has delivered a talk about AlGaN MOVPE growth and simulation.

Prof. Ohkawa has delivered a talk in 7th International Symposium on Growth of III-Nitrides.

8/7/2018
We have succeeded to simulate AlGaN MOVPE growth considering the polymer formation between Al- and Ga-related molecules.

Prof. Ohkawa has delivered a seminar in School of Crystals Science and Technology, Japanese Society of Applied Physics, Tokyo University of Agriculture and Technology.

7/31/2018
Prof. Ohkawa has delivered a talk about fundamental III-nitrides MOVPE growth.

KAUST Photonics Summer Camp 2018 Starts

7/1/2018
Photonics Summer Camp will be held until July 31.​​

Prof. Ohkawa has delivered a talk in 19th International Conference on Metalorganic Vapor Phase Epitaxy.

6/4/2018
We have found out the growth mechanism of InGaN in MOCVD and their application to grow full-color InGaN LEDs.

Visit of Professors from Japan

3/23/2018
Scientific discussion

Professors always like to discuss anything ... .

Visit of Tomohiro Yamamoto from SoftBank, Japan

2/27/2018
From SoftBank, Japan!

Tomohiro Yamamoto is an alum of Ohkawa’s group.​​​​

Okonomiyaki Workshop at Daisuke Iida House

2/3/2018
As a small relax activity from hard work, Research Scientist Daisuke Iida offered traditional Japanese food at his house for the ECO Devices members.

ECO Devices participates in the KAUST Winter Enrichment Program (WEP) 2018 Science Fair

1/23/2018
​Students Liang Zhang and Martin Velazquez took part in the KAUST WEP 2018 Science Fair showing a photocatalytic water splitting cell.  ​

Welcome Kuang

12/3/2017
​ECO Devices welcomes Kuang-Sheng Ho to the research group. He joins as a Master Student​

Welcome Yuta

8/13/2017
​Yuta Nakayama arrives as a Visiting Student from Kobe University in Japan

Welcome Liang and Martin

8/7/2017
ECO Devices welcomes Liang Zhang and Martin Velazquez-Rizo, new MS and PhD students respectively, that incorporate our Research Group​​​

KAUST Photonics Summer Camp 2017 Starts

7/16/2017
Photonics Summer Camp will be held until August 10​​

Visit of Nobel Laureate, Shuji Nakamura, to ECO Devices Lab

5/18/2017
​Visit of Nobel Laureate, Professor Shuji Nakamura (UCSB) to KAUST​​

Welcome Dr. Daisuke

4/13/2017
​ECO Devices welcomes Daisuke Iida as a Research Scientist.​​​

Welcome Jose

11/11/2016
ECO Devices welcomes Jose Maria Silva Corrugedo. He is the first staff member.

Daisuke's paper published in Applied Physics Express

10/12/2016
​D. Iida, K. Niwa, S. Kamiyama, and K. Ohkawa, “Demonstration of InGaN-based orange LEDs with hybrid multiple-quantum-wells structure“, Appl. Phys. Express 9, 111003 (2016). ​​

Welcome Leticia

10/11/2016
ECO Devices welcomes Carmen Leticia Castrejon Barron, first PhD student in the group.

Prof. Ohkawa opens Energy Conversion Devices and Materials (ECO Devices) Lab

9/19/2016
​Prof. Ohkawa opens a new research group in KAUST. ​​​​​​​