ABOUT US


The Centre for Hybrid and Organic Solar Energy (CHOSE) was founded in 2006 from the will of the Lazio Region and the University of Rome Tor Vergata to create a center of excellence in the field of next-generation photovoltaics.

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CHOSE AT "FORMULA E"

CHOSE, from 13 to 14 April 2018, among the excellence guests of the Allianz E-Village, the first roman edition of Formula E in the "Nuvola di Fuksas" Convention Center

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JIYOUNG KIM, A GUEST OF EXCELLENCE AT CHOSE

On 3 April 2018 a guest of excellence at CHOSE!

Jiyoung Kim, a professor at the UT Dallas Materials Science and Engineering, held a seminar on the Atomic Layer Deposition of innovative materials and visited our lab.

With Paolo Mariani and Aldo Di Carlo

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PEROVSKITE / GRAPHENE MODULES AT THE MOBILE WORLD CONGRESS

Our perovskite / graphene modules on display at the Mobile World Congress (26 Feb - 1 Mar 2018) while charging a smartphone.

Thanks to the work of Antonio Agresti, Sara Pescetelli, Alessandro Lorenzo Palma and Aldo Di Carlo.

Thanks also to the partners ISTITUTO ITALIANO DI TECNOLOGIA and NANO Group - Kymakis Lab in "The Graphene Flagship".

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THE PRINTABLE THERMOELECTRIC FROM CHOSE LAB AT GiTe 2018

CHOSE at GiTe 2018, the conference "Giornate sulla Termoelettricità" (sixth edition) hosted in Santa Margherita Ligure on February 21-22, 2018.

Andrea Reale illustrates in his talk the latest results obtained with the printable thermoelectric recently started in our lab!

A work in collaboration with Luca La Notte, Saeed Mardi, Paolo Mariani, Luigi Vesce, Sara Pescetelli, Antonio Agresti and Aldo Di Carlo.

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GiTe 2018 en

 

THE CHOSE PEROVSKITE MODULES WITH RECORD OF EFFICIENCY

February 2018: other important results at CHOSE!

Efficiency record for a perovskite module realized with the Charon automated blade coater of Cicci Research s.r.l.

Thanks to Luigi Vesce, Luigi Angelo Castriotta, Alessandro Lorenzo Palma and Fabio Matteocci.

 

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LATEST GENERATION PHOTOVOLTAIC CELLS ON FLEXIBLE SUBSTRATES

The latest generation photovoltaic offers the opportunity to be applied on flexible substrates.

Here are some examples of the technologies used at CHOSE:

 

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PROGETTO DI COLLABORAZIONE CON GSF

Aggiornamenti sui progressi della nostra collaborazione con Global Solar Fund (GSF) con cui stiamo sviluppando un nuovo metodo di coating.

"La ricerca e i test eseguiti hanno confermato le nostre ipotesi: una riduzione della temperatura indotta dal "coating" da 1 fino a 5° C con conseguente aumento della resa del pannello e quindi della produzione di energia. Terminata questa prima fase sperimentale del nostro progetto, ora possiamo passare ad ulteriori test sui nostri impianti con l’obiettivo di validare i dati registrati in laboratorio nei mesi più caldi."


Leggi tutto: La vernice che migliora l’energia

 

FUTURE ENERGY - EXPO ASTANA 2017

CHOSE BETWEEN THE EXCELLENCES OF THE ITALIAN PAVILION

Another prestigious goal for CHOSE, just back from the international scene. It is the result of the presence of CHOSE at the EXPO dedicated to the future of energy, housed in Astana, capital of Kazakhstan, from 10 July to 10 September 2017.

FUTURE ENERGY - EXPO ASTANA 2017

In order to this important event, the first one for an Asian country, in the frame of the very suggestive setting of the italian pavilion designed by the architect Paolo Desideri Team, the Centre for Hybrid and Organic Solar Energy of the University of Rome "Tor Vergata" has been selected by the Lazio Region to represent one of the excellence more in line with strategic actions aimed at ecological sustainability.

Read more: FUTURE ENERGY - EXPO ASTANA 2017
 

GRAPHENE-PEROVSKITE MODULES PRESENTED AT TALLINN DIGITAL SUMMIT

CHOSE has been invited to present the results of its research on graphene-perovskite modules at the Tallinn Digital Summit.
In the photo, Prof. Aldo Di Carlo is describing the research of CHOSE and of the Graphene Flagship to Italian Prime Minister On. Paolo Gentiloni.

                 
 
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FACILITIES

facilities

PRESS REVIEW

press review

MASTER MIF

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CHOSE organizza in collaborazione con l'Università degli Studi di Roma Tor Vergata e l'associazione FREEnergy un Master di II livello in "Ingegneria del Fotovoltaico" .

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Università degli Studi di Roma
"Tor Vergata"


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ON THE IMPORTANCE OF FERROELECTRIC DOMAINS FOR THE PERFORMANCE OF PEROVSKITE SOLAR CELLS

importance of ferroelectric domains for the performance of perovskite solar cells

On the importance of ferroelectric domains for the performance of perovskite solar cells

The effect of ferroelectric polarization patterns in MAPbI3 on JV characteristics has been analyzed. We discuss models for the polarization orientation pattern and magnitude of the ferroelectric domains. Simulations performed on real patterns show that the presence of ordered ferroelectric domains, even with a weak characteristic polarization magnitude enhances the power conversion efficiencies and are mandatory to reproduce the experimental J-V characteristics.
Results have been published on Nano Energy 48, pp. 20-26.

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PEROVSKITE SOLAR MODULES

Perovskite Solar Modules with 95% Aperture Ratio

Fully laser processed Perovskite Solar Cell modules with 95% Aperture Ratio

Laser patterning has been applied to realize Perovskite solar modules with a ratio between active and total substrate area of 95% and an efficiency of 9.3%. These values are new records for large area (14.5 cm2) fully laser processed perovskite devices. This work signs a forward step to the industrialization of perovskite based solar technology. Results have been published on IEEE Journal of Photovoltaics DOI: 10.1109/JPHOTOV.2017.2732223

GRAPHENE-PEROVSKITE

Graphene-Perovskite Solar module with efficiency 12.6%

Graphene-Perovskite Solar module with efficiency 12.6% on 50 cm2

Graphene interface engineering (GIE) is proposed as an effective way to boost efficiency in Perovskite solar cells and modules. A record efficiency of 12.6% on 50 cm2 module active area has been achieved by introduce Graphene in the mesoporous TiO2 and lithium neutralized graphene oxide (GO-Li) at the mTiO2/perovskite.
Results have been published on ACS Energy Lett. 2017, 2, 279−287

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REDUCED GRAPHENE OXIDE

Reduced Graphene Oxide

Reduced Graphene Oxide as Efficient and Stable Hole Transporting Material in Mesoscopic Perovskite Solar Cells
Nano Energy
DOI: 10.1016/j.nanoen.2016.02.027

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PEROVSKITE MODULE

perovskite module

We fabricated the first perovskite-based monolithic series-type module showing very promising results in terms of the power conversion efficiency, the reproducibility of the fabrication process and long-term stability.

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PEROVSKITE SOLAR CELLS

We fabricated perovskite based solar cells using CH3NH3PbI3-xClx with different hole transporting materials such as Spiro-OMeTAD and P3HT.

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SDSC MODULE

We fabricated the first solid state dye solar cell (SDSC) module using poly(3-hexilthiophene) (P3HT) as Hole Transport Material for the dye regeneration process.

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A COATING FOR ALL

Fully sprayed polymer solar cell modules open the way to bring Photovoltaics nominally everywhere, thanks to spray coating conformability to virtually any kind of substrate.

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GREENHOUSE

THE PHOTOVOLTAIC GREENHOUSE

We have demonstrated the feasibility of the fabrication of a photovoltaic greenhouse roof by using techniques based on solution processing (spray coating and screen printing).

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