News

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

7/1/2019
 ​Photonics Summer Camp will be held until July 31​.
6/27/2019
​ECO Devices welcomes new PhD student​ Mohammed Najmi​​​!
6/20/2019
ECO Devices welcomes new PhD students Pavel Kirilenko and Artem Shushanian​​​!
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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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

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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2/19/2019
Arwa has earned 5th places and special awards in the IBDA’A National Olympiads, which took place in Riyadh. ​
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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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).
1/28/2019
Internship student Linping Qu leaves. Thank you very much!​
12/25/2018
Prof. Ohkawa has delivered a talk about Development of Nitride Photocatalyst.

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

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

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10/9/2018
ECO Devices Lab starts to grow III-Nitride materials by MOCVD. ​​
8/13/2018
Prof. Ohkawa has delivered a talk about AlGaN MOVPE growth and simulation.
8/7/2018
We have succeeded to simulate AlGaN MOVPE growth considering the polymer formation between Al- and Ga-related molecules.

7/1/2018
Photonics Summer Camp will be held until July 31.​​
6/4/2018
We have found out the growth mechanism of InGaN in MOCVD and their application to grow full-color InGaN LEDs.

3/23/2018
Scientific discussion

Professors always like to discuss anything ... .

2/27/2018
From SoftBank, Japan!

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

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.
1/23/2018
​Students Liang Zhang and Martin Velazquez took part in the KAUST WEP 2018 Science Fair showing a photocatalytic water splitting cell.  ​
12/3/2017
​ECO Devices welcomes Kuang-Sheng Ho to the research group. He joins as a Master Student​
8/13/2017
​Yuta Nakayama arrives as a Visiting Student from Kobe University in Japan
8/7/2017
ECO Devices welcomes Liang Zhang and Martin Velazquez-Rizo, new MS and PhD students respectively, that incorporate our Research Group​​​
7/16/2017
Photonics Summer Camp will be held until August 10​​
5/18/2017
​Visit of Nobel Laureate, Professor Shuji Nakamura (UCSB) to KAUST​​
4/13/2017
​ECO Devices welcomes Daisuke Iida as a Research Scientist.​​​
11/11/2016
ECO Devices welcomes Jose Maria Silva Corrugedo. He is the first staff member.
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). ​​
10/11/2016
ECO Devices welcomes Carmen Leticia Castrejon Barron, first PhD student in the group.
9/19/2016
​Prof. Ohkawa opens a new research group in KAUST. ​​​​​​​