Integrated nanosystems for solar fuel generation


Project Director: Dr. Neatu Stefan

Project ID: PNII-RU-TE-2014-4-1384

Project Director: Dr. Stefan Neatu
Project Type: National
Project Program: Human Resources, Young Research Teams
Funded by: Romanian National Authority for Scientific Research, UEFISCDI
Contractor: National Institute of Materials Physics
Project Status: Finished
Start Date: Thursday, 1 October, 2015

End Date: Thursday, 30 November, 2017

Project Abstract:

The project “Integrated nanosystems for solar fuel generation” aims the development of a bi- and/or multi-component ensemble mainly based on ferroelectric materials able to efficiently split the water and to perform the CO2 reduction under sunlight irradiation. To reach the project main goals different approaches will be studied. One approach is to develop operational OER and HER/CRR powder catalysts based on earth-abundant and stable ferroelectric materials, which finally to be able to perform easily water oxidation and CO2 reduction processes on their surfaces. Co-catalysts for both category of transformations will be loaded on the surface of the semiconductors in order to reduce each reaction overpotential. Another approach is to develop these materials in different morphologies (nanowires, nanotrees or thin films) and to check the stability and optimize their photocatalytic performances under different reaction conditions. The as prepared photocatalytic systems will be firstly tested in separate reaction conditions and later on coupled through an ohmic contact into an integrated nanosystem. The expected results from this project would make a major contribution to Romanian excellence and competitiveness in this research field.

Project leader: Dr. Stefan Neatu, CSIII

Members:

Dr. Maria Ruxandra Costescu, CSIII

Liviu Cristian Tanase, ACS

Andrei Gabriel Tomulescu, ACS

1.    Structural and magnetic properties of Ni nanofilms on Ge(001) by molecular beam epitaxy”, Amelia Elena Bocîrnea, Ruxandra Maria Costescu, Iuliana Pasuk, George Adrian Lungu, Cristian Mihail Teodorescu, Appl. Surf. Sci. 2017424, 337–344;

2.    Structural and magnetic properties of Ni nanofilms grown by molecular beam epitaxy on heated Ge(001) substrates, Amelia Bocîrnea, Ruxandra Maria Costescu, Adrian Lungu, Iuliana Pasuk, Dan Macovei, Cristian Teodorescu, International Conference on Physics of Advanced Materials ICPAMXIth Edition, September 8–14, 2016, Cluj-Napoca, Romania – Oral presentation;

3.    Three-component photocatalytic systems as new approach for water splitting reactionȘtefan Neațu, Florentina Neațu, Mihaela Florea, Laura E. Abramiuc, Cristian M. Teodorescu, The 9th International Conference on Advanced MaterialsROCAM 2017, June 7-10, 2017, Bucharest, Romania – Oral presentation;

4.    NiO-ZnO/TiO2 composites in the photocatalytic water splitting reactionȘtefan Neațu, Florentina Neațu, Mihaela Florea, Laura E. Abramiuc, Cristian M. Teodorescu, EUROPACAT 2017, August 27-31, 2017, Florence, Italy – Oral presentation;

5.    NiO-ZnO/TiO2 composites for photocatalytic water splittingȘtefan Neațu, Florentina Neațu, Laura E. Abramiuc, Mihaela Florea, Cristian M. Teodorescu – under revision;

6.    “Cost Efficient Oxygen Generation through Alkaline Water Electrolysis using Ni/SnO2 Catalysts”Ștefan Neațu, Florentina Neațu, Victor Diculescu, Simona Șomăcescu, Mihaela Florea – under preparation.


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