Advanced Materials Division@C4T


   N. Bontempi,  I. Vassalini, S. Danesi, M. Ferroni, M. Donarelli, P. Colombi, I. Alessandri, Non-plasmonic SERS with silicon: is it really safe? New insights into the optothermal properties of core/shell microbeads, J. Phys. Chem. Lett. 2018, 9, 2127-2132
Editor's Choice Paper!!!
  S. Danesi, M. Gandolfi, L. Carletti, N. Bontempi, C. De Angelis, F. Banfi, I. Alessandri, Photo-induced heat generation in non-plasmonic nanoantennas, Phys. Chem. Chem. Phys. 2018, 20, 15307-15315



N. Bontempi, I. Vassalini, S. Danesi, I. Alessandri, ZORRO: zirconium oxide resonators for all-in-one Raman and whispering-gallery-mode optical sensing, Chemical Communications, 10.1039/C7CC06357A

I. Vassalini, I. Alessandri, “The phactalysts”: carbon nanotube/TiO2 composites as phototropic actuators for wireless remote triggering of chemical reactions and catalysis, Nanoscale, 2017,9, 11446-11451   

I. Vassalini, L. Borgese, M. Mariz, S. Polizzi, G. Aquilanti, P. Ghigna, A. Sartorel, V. Amendola, I. Alessandri, Enhanced electrocatalytic oxygen evolution in Au-Fe nanoalloys, Angewandte Chemie International Edition, doi: 10.1002/anie.201703387

N. Bontempi, E. Biavardi, D. Bordiga, G. Candiani, I. Alessandri*,P. Bergese*, E. Dalcanale*, Probing lysine mono-methylation in histone H3 tail peptides with an abiotic receptor coupled to non-plasmonic resonator, Nanoscale (2017), 9, 8639-8646

N. Bontempi, K. E. Chong, H. W. Orton, I. Staude, D.-Y. Choi, I. Alessandri, Y. S. Kivshar, D. N. Neshev, Highly sensitive biosensors based on all-dielectric nanoresonators, Nanoscale (2017), 9, 4972-4980, doi: 10.1039/C6NR07904K

J. Gjipalaj, I. Alessandri, Easy recovery, mechanical stability, enhanced adsorption capacity and recyclability of alginate-based TiO2macrobead photocatalysts for water,  Journal of Environmental Chemical Engineering 5 (2), 1763-1770, doi: 10.1016/j.jece.2017.03.017


I. Alessandri, J. R. Lombardi, Enhanced Raman Scattering with Dielectrics, Chemical Reviews (2016), doi: 10.1021/acs.chemrev.6b00365 (Cover paper)

I. Alessandri, I. Vassalini, M. Bertuzzi, N. Bontempi, M. Memo, A. Gianoncelli, "Ramassays": synergistic enhancement of plasmon-free Raman scattering and mass spectrometry for multimodal analysis of small molecules, Scientific Reports (2016), 6, Article number:34521, doi: 10.1038/srep34521

N. Bontempi, L. Carletti, C. De Angelis, I. Alessandri, Plasmon-free SERS detection of environmental CO2 on TiO2 surfaces, Nanoscale (2016), DOI: 10.1039/c5nr08380j

I. Vassalini, I. Alessandri, Spatial and Temporal Control of Information Storage in Cellulose by Chemically Activated Oscillations, ACS-Applied Materials & Interfaces (2015), 7, 28708-28713.


1) I. Alessandri, E. Biavardi, A. Gianoncelli, P. Bergese, E. Dalcanale, Cavitands Endow All-Dielectric Beads With Selectivity for Plasmon-Free Enhanced Raman Detection of Nε-Methylated Lysine, ACS-Applied Materials & Interfaces (2015), in press, DOI: 10.1021/acsami.5b08190

2) I. Vassalini, E. Rotunno, L. Lazzarini, I. Alessandri, “Stainless” gold nanorods: preserving shape, optical properties and SERS activity in oxidative environment, ACS-Applied Materials & Interfaces (2015), 7, 18794-18802.

3) G. Drera, A. Giampietri, I. Alessandri, E. Magnano, F. Bondino, S. Nappini, Grain size stoichiometry control over RF-sputtered multiferroic BiFeO3 thin films on silicon substrates, Thin Solid Films (2015) 589, 551-555.

4) M. Salmistraro, S. Sassolini, A. Weber-Bargioni, S. Cabrini, I. Alessandri, Fabrication of gold nanoantennas on SiO2/TiO2 core/shell beads to study photon-driven surface reactions, Microelectronic Engineering (2015) 143, 69-73.



5)  N. Bontempi, M. Salmistraro, M. Ferroni, L. E. Depero, I. Alessandri, Probing the spatial extension of light trapping-induced enhanced Raman scattering in high-density Si nanowire arrays, Nanotechnology (2014) 25, 465705.

Highlighted by

6)  I. Alessandri, N. Bontempi, L. E. Depero, Colloidal lenses as universal Raman scattering enhancers, RSC Advances (2014) 4, 38152-38158.

7)  I. Alessandri, L. E. Depero, All-Oxide Raman-Active Traps for Light and Matter: Probing Redox Homeostasis Model Reactions in Aqueous Environment, Small (2014) 10, 1294-1298.

8) C. Montis, D. Maiolo, I. Alessandri, P. Bergese, D. Berti, Interaction of nanoparticles with lipid membranes: a multiscale perspective, Nanoscale (2014) 6, 6452-6457.


9)  I. Alessandri, Enhancing Raman scattering without plasmons: unprecedented sensitivity achieved by TiO2 shell-based resonators, Journal of the American Chemical Society (2013) 135(15), 5541-5544.

Special Mention NEST Prize 2103

10) M. Salmistraro, A. Schwartzberg, W. Bao, L. E. Depero, A. Weber-Bargioni, S. Cabrini, I. Alessandri, Triggering and monitoring plasmon enhanced reactions by optical nanoantennas coupled to photocatalytic beads, Small (2013) 9, 3301-3307.

11)I. Alessandri, M. Ferroni, L. E. Depero, Plasmonic heating-assisted transformation of SiO2/Au core/shell nanospheres (Au nanoshells): caveats and opportunities for SERS and direct laser writing, Plasmonics (2013) 8, 129.


12)    I. Alessandri*, Self-healing hybrid nanocomposites: role and activation of inorganic moieties and hybrid nanophases in Self-Healing at the Nanoscale: Mechanisms and Key Concepts of Natural and Artificial Systems-Taylor &Francis-CRC, Boca Raton (FL): ISBN: 978-1-4398-5473-0 (2011).

13)   G.Sinha, L.E. Depero, I. Alessandri*, Recyclable SERS substrates based on Au- coated nanorods, ACS-Applied Materials and Interfaces (2011) 3(7), 2557-2563.

14)    I. Alessandri*, M. Ferroni, L. E. Depero, Plasmon-assisted, spatially resolved laser generation of transition metal oxides from liquid precursors, Journal of Physical Chemistry C (2011) 115, 5174.

15)   I. Alessandri*, E. Bontempi, P. Bergese, L. E. Depero, Materials from colloidal beads: synthesis and applications, in Encyclopedia of Nanoscience and Nanotechnology ed, S. H. Nalwa, American Scientific Publishers (2011).

16)    L. Borgese, E. Bontempi, P. Colombi, L. E. Depero, I. Alessandri*, Tailoring phase and composition at the nanoscale: atomic layer deposition of Zn-Ti-O thin films, Crystal Engineering Communications (2011) 13, 6621.

17)   I. Alessandri*, Plasmonic heating assisted deposition of bare Au nanoparticles on titania nanoshells, Journal of Colloid and Interface Science (2010) 351, 576.

18)    S. Pal, L. E. Depero, I. Alessandri*, Using aggregates of gold nanorods in SER(R)S experiments: an empirical evaluation of some critical aspects, Nanotechnology (2010), 21, 42570.

19)   I. Alessandri*, L. E. Depero, Metal oxide microrings with femtoliter capacity for Raman microspectroscopy, ACS-Applied Materials and Interfaces (2010) 2, 594-602.

20)    I. Alessandri*, Writing, self-healing and self erasing on conductive pressure-sensitive adhesives, Small (2010) 6, 1679-1685.

21)    I. Alessandri*, L. E. Depero, Using plasmonic heating of gold nanoparticles to generate local SER(R)S-active TiO2 spots, Chemical Communications (2009), 17, 2359.

22)    I. Alessandri*, M. Zucca, M. Ferroni, E. Bontempi, L. E. Depero, Tailoring the Pore Size and Architecture of CeO2/TiO2 Core/Shell Inverse Opals by Atomic Layer Deposition, Small (2009) 5, 336.

23)   I. Alessandri*, M. Zucca, M. Ferroni, E. Bontempi, L. E. Depero, Growing ZnO Nanocrystals on Polystyrene Nanospheres by Extra-Low-Temperature Atomic Layer Deposition, Crystal Growth & Design (2009) 9, 1258.

24)    I. Alessandri*, M. Ferroni, L. E. Depero, In situ plasmon heating-induced generation of Au/TiO2 “hot spots” on colloidal crystals, ChemPhysChem, (2009), 10, 1017.

25)   I. Alessandri*, M. Ferroni, Exploiting optothermal conversion for nanofabrication: site-selective generation of Au/TiO2 inverse opals, Journal of Materials Chemistry (2009), 19, 7990.

26)    S. Vieno, L. Madini, N. Barabanti, I. Alessandri , M. Gagliani, A. Cerutti Indirect resin composite restorations: evaluation of polymerization of luting agents by means of micro-Raman spectrophotometry Minerva stomatologica (2009)  58.

27)    P. Colombi, I. Alessandri, P. Bergese, S. Federici, L. E. Depero, Self-assembled polystyrene nanospheres for the evaluation of atomic force microscopy tip curvature radius Measurement Science and Technology (2009)  20, art. no. 084015.

28)    I. Alessandri*, P. Bergese, L. E.  Depero,  ZnO whiskers and belts in chestnut husk-like structures: Synthesis and proof of chemomechanical transduction Journal of Nanoscience and Nanotechnology (2009)  9, 1597-1602.

29)    I. Alessandri*, L. E. Depero, Laser-induced modification of polymeric beads coated with gold nanoparticles, Nanotechnology (2008) 19, 305301.





30)   Bergese, P., Oliviero, G., Alessandri, I., Depero, L.E. Thermodynamics of mechanical transduction of surface confined receptor/ligand reactions (2007) Journal of Colloid and Interface Science, 316, pp. 1017-1022.

31)   Alessandri, I*., Comini, E., Bontempi, E., Faglia, G., Depero, L.E., Sberveglieri, G. Cr-inserted TiO2 thin films for chemical gas sensors (2007) Sensors and Actuators, B: Chemical, 128 (1), pp. 312-319.

32)   Ponzoni, A., Comini, E., Sberveglieri, G., Alessandri, I., Bontempi, E., Depero, L.E. Tin, niobium and vanadium mixed oxide thin films based gas sensors for chemical warfare agent attacks prevention (2007) Proceedings of IEEE Sensors, art. no. 4388654, pp. 1322-1325.

33)   Bergese, P., Alessandri, I., Bontempi, E., Depero, L.E., Aronne, A., Fanelli, E., Pernice, P., Ballaran, T.B., Miyajima, N., Sigaev, V.N., Phase transformations in bulk nanostructured potassium niobiosilicate glasses (2006) Journal of Physical Chemistry B, 110 (51), pp. 25740-25745.

34)   Alessandri, I.*, Bañares, M.A., Depero, L.E., Ferroni, M., Fornasiero, P., Gennari, F.C., Hickey, N., Martinez-Huerta, M.V., Montini, T. Structural investigation of Ce2Zr2O8 after redox treatments which lead to low temperature reduction (2006) Topics in Catalysis, 41 (1-4), pp. 35-42.

35)   Benedetti, D., Alessandri, I., Bergese, P., Bontempi, E., Colombi, P., Garipoli, D., Pedrazzani, R., Zanola, P., Depero, L.E., Laboratory microbeam analysis applied to cultural heritage studies (2006) Microchimica Acta, 155 (1-2), pp. 101-104.

36)   Hazra, S.K., Tripathy, S.R., Alessandri, I., Depero, L.E., Basu, S. Characterizations of porous titania thin films produced by electrochemical etching (2006) Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 131 (1-3), pp. 135-141.

37)   Pedrazzani, R., Alessandri, I., Bontempi, E., Cappttelli, F., Cianci, M., Pantos, E., Toniolo, L., Depero, L.E. Study of sulphation of Candoglia marble by means of micro X-ray diffraction experiments (2006) Applied Physics A: Materials Science and Processing, 83 (4), pp. 689-694.

38)    Alessandri, I., Armelao, L., Bontempi, E., Bottaro, G., Depero, L.E., Poli, F., Tondello, E., Sol-gel synthesis and characterization of lamellar mesostructured titania films (2005) Materials Science and Engineering C, 25 (5-8), pp. 560-564

39)    Comini, E., Faglia, G., Sberveglieri, G., Alessandri, I., Bontempi, E., Depero, L.E. Characterization of p-type Cr:TiO2 gas sensor (2005) Proceedings of IEEE Sensors, 2005, art. no. 1597950, pp. 1320-1322.

40)   Platé, M., Bondino, F., Zacchigna, M., Zangrando, M., Alessandri, I., Affronte, M., Malavasi, L., Parmigiani, F. Lattice effects in the ferromagnetic insulating phase of manganites (2005) Physical Review B - Condensed Matter and Materials Physics, 72 (8), art. no. 085102.

41)    Alessandri, I.*, Comini, E., Bontempi, E., Sberveglieri, G., Depero, L.E., Structural characterization of V2O5-TiO2 thin films deposited by RF sputtering from a titanium target with vanadium insets (2005) Sensors and Actuators, B: Chemical, 109 (1), pp. 47-51.

42)    Bergese, P., Alessandri, I., Colombo, I., Coceani, N., Depero, L.E. Microstructure and morphology of nimesulide/crospovidone nanocomposites by Raman and electron microscopies (2005) Composites Part A: Applied Science and Manufacturing, 36 (4), pp. 443-448.

43)   Montini, T., Hickey, N., Fornasiero, P., Graziani, M., Bañares, M.A., Martinez-Huerta, M.V., Alessandri, I., Depero, L.E. Variations in the extent of pyrochlore-type cation ordering in Ce 2Zr2O8: A t′-κ pathway to low-temperature reduction (2005) Chemistry of Materials, 17 (5), pp. 1157-1166.

44)    Alessandri, I., Bontempi, E., Sangaletti, L., Pagliara, S., Malavasi, L., Parmigiani, F., Flor, G., Depero, L.E. Sodium doped lanthanum manganites thin films: Influence of the oxygen content on the structural parameters (2004) Journal De Physique. IV : JP, 118, pp. 165-171.

45)    Malavasi, L., Mozzati, M.C., Alessandri, I., Depero, L.E., Azzoni, C.B., Fior, G., Sodium-doped LaMnO3 thin films: Influence of substrate and thickness on physical properties (2004) Journal of Physical Chemistry B, 108 (36), pp. 13643-13651.

46)    Malavasi, L., Mozzati, M.C., Alessandri, I., Affronte, M., Cervetto, V., Azzoni, C.B., Flor, G. Thin films of sodium-doped lanthanum manganites: Role of substrate and thickness on the magnetoresistive response (2004) Solid State Ionics, 172 (1-4 SPEC. ISS.), pp. 265-269.

47)    Petrov, A.Yu., Aruta, C., Mercone, S., Adamo, C., Alessandri, I., Maritato, L.,  Room temperature metal-insulator transition in as grown (La 1-xSrx)yMnO3 thin films deposited by molecular beam epitaxy (2004) European Physical Journal B, 40 (1), pp. 11-17.

48)    Alessandri, I.*, Malavasi, L., Bontempi, E., Mozzati, M.C., Azzoni, C.B., Flor, G., Depero, L.E. Synthesis and characterisation of La1-xNaxMnO 3+δ thin films manganites (2004) Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 109 (1-3).

49)   Alessandri, I, Gelfi, M., Bontempi, E., Roberti, R., Depero, L.E. Bidimensional X-ray diffraction analysis for structural and microstructural characterization of lanthanum manganite thin films (2004) Journal of Physical Chemistry B, 108 (17), pp. 5189-5191.

50)    Bondino, F., Platé, M., Zangrando, M., Zacchigna, M., Cocco, D., Comin, A., Alessandri, I., Malavasi, L., Parmigiani, F., Doping Dependence of the Electronic Structure of La1-xNa xMnO3 by Resonant X-ray Emission and X-ray Absorption Spectroscopy (2004) Journal of Physical Chemistry B, 108 (13), pp. 4018-4023.

51)   Ghigna, P., Spinolo, G., Alessandri, I., Davoli, I., D'Acapito, F., Do we have a probe for the initial stages of solid state reactions? (2003) Physical Chemistry Chemical Physics, 5 (11), pp. 2244-2247.

52)   Malavasi, L., Alessandri, I., Mozzati, M.C., Ghigna, P., Chiodelli, G., Azzoni, C.B., Flor, G. Preparation, structural and magnetic characterisation of RF-sputtered La1-xNaxMnO3±δ thin films manganites (2003) Physical Chemistry Chemical Physics, 5 (11), pp. 2274-2278

53)   D'Acapito, F., Ghigna, P., Alessandri, I., Cardelli, A., Davoli, I. Probing the initial stages of solid-state reactions by total reflection EXAFS (reflEXAFS) (2003) Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 200, pp. 421-424.


Other publications

- M. Platé, F. Bondino,  M. Zangrando, M. Zacchigna, I. Alessandri, D. Cocco, M. Matteucci, K.C. Prince,  A. Comin, F. Parmigiani, Elettra Synchrotron Research Highlights (2003), april  46-50.


- P. Zanola, I. Alessandri, L. E. Depero, La Chimica e l’Industria (2005) 1, 114-117.


-S. Vieno, L. Madini, N. Barabanti, I. Alessandri, M. Gagliani, A. Cerutti, Minerva Stomatol. (2009) 58, 1-8.


-I. Alessandri, Brescia Ricerche (2013).