1. ELectro-Optical FLEXible detectors for mixed radiation fields
ELOFLEX
ELectro-Optical FLEXible detectors for mixed radiation fields
TIFPA: RN – Alberto Quaranta.
INFN-BO: RL – Beatrice Fraboni.

2. Mixed Radiation Fields
Therapies with combined radiation fields (X-rays and protons).
Harsh environments (space exploration).
Security and safety monitors.

3. Flexible Radiation Detectors
Conformation to complex shapes for accurate dose measurements.
Large area applications.
Dose and energy distribution.

4. Organic Radiation Detectors
i-FLEXIS EU Project ( )
PET/PVA substrate
Gold electrodes
Organic
semiconductor
X-Rays
Low cost and low power consumption.
Printable on large areas of flexible substrates.
Different crystalline thickness.
Bending radius 0.3 cm.
B. Fraboni et al., Adv. Mater., 24, 17, 2289 (2012)
Ciavatti et al. Adv. Mater. Adv. Mater. 27, 7213 (2015)
L. Basiricò et al. Nature Comm. 7, (2016)

5. Organic Radiation Detectors
Linearity.
High sensitivity.
High reproducibility and stability.

6. Quantum Dots Scintillators
High Z.
Emission wavelength tunability with the dimension.
Solubility controlled by surface organic ligands.
Different compositions with suitable hysotopes.
Dose analysis through either light yield or yield degradation.
Several commercial Cd based compositions and few Cd-free QDs.

7. Previous Experience on Scintillators
Polysiloxane scintillators for neutrons (ORIONE- HYDE).
Pulse shape discrimination in polysiloxane scintillators (HYDE).
Irradiation effects on quantum dots for nanodosimetry (NADIR).
H+ 2.0 MeV on PSS
H+ 2.0 MeV on PVA

8. ELOFLEX Aims
Flexible electro-optical detectors obtained by coupling organic semiconductors with polymers (PVA/PSS) containing QDs.
Organic semiconductors more suitable for low LET radiation.
QD for on the detection of high LET radiation by on line detection of either the light yield or the yield degradation
DAQ
Proton beam
Vis-light
X-ray

9. First year: Responsivity Tests
Responsivity of both kinds of detectors to different radiations.
Proton beams: APSS TIFPA facility ( MeV).
AN2000 (2 MeV), CN (3-6 MeV).
X-ray beams: Trieste Synchrotron, X-ray tubes (BO-TN).

10. First year: QD Synthesis with Atmospheric Plasma
Fast and physical technique suitable for different types of QDs: Cd-free dots.
ZnS/ZnSe.
Graphene QDs.
Diamond nanocrystals.

11. Second year: production of mixed detectors
Junction between organic semiconductor devices and QD based scintillators.
Radiation detection with independent measurement of both electrical and optical signals.
Radiation detection where the optical signal is detected by the organic semiconductor (preliminar tests).
SiPM detector
Refl. Coating

12. Second year: production of scalable systems
First large area detectors.
Acquisition of doctor blade for the production of scalable systems (20 k€).

13. FTE TIFPA INFN-BO Alberto Quaranta 0.4 Enrico Zanazzi (PhD) 0.7
Andrea Ficorella (PhD)
Viviana Mulloni (FBK)
Totale 1.6
INFN-BO
Beatrice Fraboni
Laura Basiricò
Laura Fabbri
Totale 2.2
Percentuali TIFPA

14. Financial Request 2018 TIFPA INFN-BO Missioni: 3 k€
Inventariabile k€
Consumo: k€
INFN-BO
Missioni: k€
Consumo: k€
Richieste 2018 (da discutere)

15. Financial Request 2019 TIFPA BOLOGNA Missioni: 2 k€ Consumo: 5 k€
Inventariable k€
Consumo: k€
Richieste 2019 (da discutere).