Degree in Industrial Chemistry with honors, Università di Venezia-Cà Foscari, 1987.

Carriera accademica ed attività didattica

2012 to present: Associate Professor of Chemistry, Department of Industrial Engineering (DII), University of Trento

2002 - 2012: Associate Professor of Chemistry, Faculty of Engineering, University of Trento

1988 - 2002 : Assistant Professor, Faculty of Engineering, University of Trento (Italy)


1990:  Chercheur Associé - CNRS, internship at Laboratoire de Chimie de la Matière Condensée, collaboration with Dr. Florence Babonneau, Université Pierre et Marie Curie, Paris, France, 

2003: Visiting professor Laboratoire de Chimie de la Matière Condensée (Prof. C. Sanchez), Université Pierre et Marie Curie, Paris, France

2007: Visiting professor INSA – Lyon (France), IPC - LMM ,Prof. J-F. Gérard, Dr J. Galy.


Teaching activity (last 3 years)

Chemistry (LT Environmental and Land Engineering, 1st year, 1st semester, 9 Italian credits, 150 students/class)

Chemistry Laboratory (LT Industrial Engineering, 3rd year, 2nd semester, 4 Italian credits, 10 students/class)

Properties and Characterization of Materials - Module 2 (until 2014: Materials Characterization - module 2; LM Materials Engineering, 1st year, 2nd semester, 6 Italian credits, 60 students/class)

Environmental Chemistry, (TPALL -Unitn, 2nd year, 1st semester, 1 Italian credit, 10 students/class)


Interessi di ricerca
  • Sol-gel synthesis and spectroscopic characterization of hybrid organic-inorganic (O/I) materials
  • Synthesis and chemical modification of nanobuilding blocks and nanoparticles for the preparation of patternable coatings with application in photonics, microfluidics and bio-sensing.
  • Metal oxides particles by microemulsion route, matrices for dispersion of chromophores and metal particles, active materials for chemical sensors and photocatalysis
  • Metal oxide thin films for optical and memristive applications
  • Infrared and Nuclear Magnetic Resonance characterization of hybrid organic-inorganic (O/I) materials, glasses, ceramics, polymer, composites and natural materials
Attività di ricerca

Sandra Dirè belongs to the Materials Chemistry Group of DII and, at present, she is  responsible of the NMR Laboratory "Klaus Muller", equipped with three spectrometers (9.4 and 7 T) for solid state and solution NMR and one EPR instrument.

She has more than twenty years experience in sol-gel chemistry and synthesis and spectroscopic characterization of hybrid organic/inorganic materials.

She has been scientist in charge for several national PRIN projetcts and one European ITN project; she participated to a COST action (2012-2016, MP1202, Hybrid Materials and Interfaces) and she has been partner of a PAT project (Grandi Progetti PAT, 2013-2017, MADELENA, Inorganic memristic devices).


Research topics

Sol-gel synthesis and characterization of inorganic layers for electronic and sensing applications

Sol-gel synthesis and chemical modification of hybrid organic-inorganic nanocomposites, tunable silsesquioxanes with functional properties

Wet chemistry methods for the preparation of metal phosphates

Solid state NMR characterization of hybrid organic/inorganic materials, polymers, composites, glasses and ceramics, natural materials


Most recent publications


Massimiliano D’Arienzo, Sandra Dirè, Matteo Redaelli, Evgeny Borovin, Emanuela Callone, Barbara Di Credico, Franca Morazzoni, Alessandro Pegoretti, Roberto Scotti, “Unveiling the hybrid interface in polymer nanocomposites enclosing silsesquioxanes with tunable molecular structure: spectroscopic, thermal and mechanical properties”,  Journal of Colloid and Interface Science,  512 (2018) , 609-617. (IF 4.233)

Di Credico, Barbara; Cobani, Elkid; Callone, Emanuela; Conzatti, Lucia; Cristofori, Davide; D'Arienzo, Massimiliano; Dirè, Sandra; Giannini, Luca; Hanel, Thomas; Scotti, Roberto; Stagnaro, Paola; Tadiello, Luciano; Morazzoni, Franca, "A Versatile Approach to Prepare Layered Silicates Composites: the case of Sepiolite Nanofibers" , Appl. Clay Sci.,  152 (2018) pp. 51-64. (IF 3.101).


Matteo Frasnelli, Francesco Cristofaro, Vincenzo M. Sglavo, Sandra Dirè, Emanuela Callone, Riccardo Ceccato, Giovanna Bruni, Antonia Icaro Cornaglia, Livia Visai, “Synthesis and characterization of strontium-substituted hydroxyapatite nanoparticles for bone regeneration”, Materials Science and Engineering C, 71 (2017), 653-662; doi: 10.1016/j.msec.2016.10.047 (IF. 3.420).

Valentina Prusakova, Cristian Collini, Marco Nardi, Roberta Tatti, Lorenzo Lunelli, Lia Vanzetti, Leandro Lorenzelli, Giacomo Baldi, Andrea Chiappini, Alessandro Chiasera, Davor Ristic, Roberto Verucchi, Mauro Bortolotti, Sandra Dirè, “The Development of Sol-Gel Derived TiO2 Thin Films and Corresponding Memristor Architectures”, RSC Advances, 7, (2017), 1654 – 1663; DOI: 10.1039/c6ra25618j (IF. 3.289)

D'Arienzo, Massimiliano, Redaelli, Matteo, Callone, Emanuela, Conzatti, , Di Credico, Barbara, Dire', Sandra, Giannini, Luca, Polizzi, Stefano, Schizzi, Ilaria, Scotti, Roberto, Tadiello, Luciano, Morazzoni, Franca, “Hybrid SiO2@POSS nanofiller: a promising reinforcing system for rubber nanocomposites”, Mater.Chem.Front. 1 (2017) 1441-1452; DOI: 10.1039/c7qm00045f

Rita Figueira , Emanuela Callone, Carlos Silva, Elsa Pereira, Sandra Dirè, “Hybrid coatings enriched with tetraethoxysilane for corrosion mitigation of hot-dip galvanized steel in chloride contaminated simulated concrete pore solutions”, Materials, 10 (2017), 306, online available; doi:10.3390/ma10030306. (IF. 2.728).

Michele Fedel, Emanuela Callone; Matias Fabbian; Flavio Deflorian; Sandra Diré, “Influence of Ce3+ doping on molecular organization of Si-based organic/inorganic sol-gel layers for corrosion protection”, Applied Surface Science 414 (2017) 82-91. (IF. 3.150)

Emanuela Callone, Riccardo Ceccato, Flavio Deflorian, Michele Fedel, Sandra Dirè, “Filler-matrix interaction in sodium montmorillonite-organosilica nanocomposite coatings for corrosion protection”, Appl.Clay Sci. e 150 (2017) 81–88. (IF ).

Sandra Dirè, Davide Bottone, Emanuela Callone, Devid Maniglio, Isabelle Génois and François Ribot, “Hydrophobic Coatings by \Thiol-Ene Click Functionalization of Silsesquioxanes with Tunable Architecture”, Materials, 10, (2017) 913; doi:10.3390/ma10080913, online available (IF 2.728).


E. Callone, S. Dirè, X. Hu, A. Motta, “Processing influence on molecular assembling and structural conformations in silk fibroin: elucidation by solid state NMR”, ACS Biomater. Sci. Eng., 2016, 2 (5), pp 758–767. DOI:10.1021/acsbiomaterials.5b00507.

G. Gibin, A. Lorenzetti, E. Callone, S. Dirè, P. Dolcet, A. Venzo, V. Causin, A. Marigo, M. Modesti, S. Gross, “Smart and covalentely crosslinked: first example of hybrid shape memory materials reinforced through covalent bonds by zirconium oxoclusters”, ChemPlusChem, 81(3) (2016) 338-350. DOI: 10.1002/cplu.201500339.(IF 3.026)

Dawit Gemechu Ayana, Riccardo Ceccato, Cristian Collini, Leandro Lorenzelli, Valentina Prusakova, Sandra Dirè, “Sol-gel derived oriented multilayer ZnO thin films with memristive response”, Thin Solid Films, 615 (2016) 427-436. (IF 1.761)

Evgeny Borovin, Emanuela Callone, Francois Ribot and Sandra Diré, “Mechanism and kinetics of oligosilsesquioxanes growth in the ISWP sol-gel route: dependence on the water availability”, European Journal of Inorganic Chemistry (2016), 2016 (13-14), 2166-2174. DOI: 10.1002/ejic.201501220 (IF  2.942).

V. Prusakova, C. Collini, L. Lunelli, L. Vanzetti, A. Chiappini, L. Lorenzelli, C. Pederzolli, A. Chiasera, M. Ferrari, S. Dirè, “Towards low voltage resistive switch in sol-gel derived TiO2/Ta2O5 stack thin films”, Materials and Design (2016), 105,  359-365. doi:10.1016/j.matdes.2016.05.086. (IF 3.626).

Dawit G. Ayana , Valentina Prusakova , Cristian Collini , Marco V. Nardi , Roberta Tatti , Mauro Bortolotti , Leandro Lorenzelli , Andrea Chiappini , Alessandro Chiasera , Maurizio Ferrari , Lorenzo Lunelli , and Sandra Dirè, “Sol-gel synthesis and characterization of undoped and Al-doped ZnO thin films for memristive application”, AIP Advances 6, 111306 (2016); DOI: 10.1063/1.4968192 (IF. 1.496)

Sandra Dirè, Evgeny Borovin, Francois Ribot, “Architecture of Silsesquioxanes”, in Handbook of Sol-Gel Science and Technology 2nd Edition, L. Klein et al. (eds.), Springer International Publishing Switzerland 2016, DOI 10.1007/978-3-319-19454-7_119-1.

E. Borovin, E. Callone, B. Papendorf, G. Guella, S. Dirè, “Influence of sol-gel conditions on the growth of thiol-functionalized silsesquioxanes prepared by in situ water production”, J. Nanosci. Nanotech., 16(3) (2016) 3030–3038. doi:10.1166/jnn.2016.11031.(IF 1.339).



Sandra Dirè, Evgeny Borovin, Masaki Narisawa and Gian Domenico Sorarù, Synthesis and Characterization of the First Transparent Silicon Oxycarbide Aerogel Obtained Through H2 Decarbonization”, Journal of Materials Chemistry A, 2015, 3, 24405 - 24413 (IF 7.443).

A. Susanna, L. Armelao, E. Callone, S. Dirè, M. D’Arienzo, B. Di Credico, L. Giannini, T. Hanel, F. Morazzoni, R. Scotti, “ZnO nanoparticles anchored to silica filler. A curing accelerator for isoprene rubber composites”, Chem. Eng. J. 275 (2015), 245–252.(IF 4.058).

I. Santoni, E. Callone A. Sandak, J. Sandak, S. Dirè, “Solid state NMR and IR characterization of wood polymer structure in relation to tree provenance”, Carbohydrate Polymers 117 (2015) 710-721. DOI:10.1016/j.carbpol.2014.10.057. (IF 3.916).

F. Munarin, P. Petrini, R. Gentilini, R.S. Pillai, S. Dirè, M.C. Tanzi, V.M. Sglavo, “Micro- and Nano- Hydroxyapatite as Active Reinforcement for Soft Biocomposites”, Int. J. Biol. Macromol., 72 (2015) 199-209. DOI : 10.1016/j.ijbiomac.2014.07.050.     (IF 3.096).

Valentina Prusakova, Cristina Armellini, Alessandro Carpentiero, Andrea Chiappini, Cristian Collini, Sandra Dirè, Maurizio Ferrari, Leandro Lorenzelli, Marco Nardello, Simone Normani, Alessandro Vaccari, Alessandro Chiasera, “Morphologic, structural, and optical characterization of solgel derived TiO2 thin films for memristive devices”, Phys. Status Solidi C 12, No. 1–2, 192–196 (2015). DOI 10.1002/pssc.201400101.



The complete list is available at:

Appartenenza a società e comitati scientifici

International Sol-Gel Society

Convegni e conferenze

International Workshop on Glasses, Ceramics and Hybrids from Gels.

Workshop Italiano Sol-Gel

Electroceramics and E MRS meeting

Altre attività

Reviewer :
J. Sol-Gel Science and Technology
J. European Ceramic Society
J. American Ceramic Society
J. Materials Chemistry
Chemistry of Materials
New J. of Chemistry
Vibrational Spectroscopy
Optical Materials
 She has organized the III and VIII edition of the Italian Sol-Gel Workshop in 2002 and 2012