Engineering optical and spectroscopic properties of colloidal crystals

A. Chiappini, S. Nodehi, C. Armellini, V. Piccolo, D. Zonta, S.M. Pietralunga, M. Ferrari

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Abstract

Three-dimensional (3D) inverse opal photonic crystals present the advantage of a large surface to volume ratio, which permits to allocate a high number of chromophores that can be used (i.e) for the development of highly efficient optical devices and sensors based on fluorescence detection. In this work, Er 3+ -activated inverse opals (ErIO) were synthesized using a polystyrene (PS) template by the sol-gel method. It has been observed that the ErIO spontaneous decay rates (SDRs) are modified with respect to the bulk counterparts (ErR) due to the spatial modulation of the effective refractive index n eff at the nanoscale.

Original languageEnglish
Title of host publication20th Italian National Conference on Photonic Technologies (Fotonica 2018)
Place of PublicationStevenage
Pages1-4
Number of pages4
DOIs
Publication statusPublished - 16 May 2018
Event20th Italian National Conference on Photonic Technologies, Fotonica 2018 - Lecce, Italy
Duration: 23 May 201825 May 2018

Conference

Conference20th Italian National Conference on Photonic Technologies, Fotonica 2018
CountryItaly
CityLecce
Period23/05/1825/05/18

Fingerprint

Optical engineering
Optical sensors
Chromophores
Optical devices
Photonic crystals
Sol-gel process
Polystyrenes
Refractive index
Fluorescence
Modulation
Crystals

Keywords

  • colloidal crystals
  • FDTD
  • inverse opals
  • spontaneous emission

Cite this

Chiappini, A., Nodehi, S., Armellini, C., Piccolo, V., Zonta, D., Pietralunga, S. M., & Ferrari, M. (2018). Engineering optical and spectroscopic properties of colloidal crystals. In 20th Italian National Conference on Photonic Technologies (Fotonica 2018) (pp. 1-4). Stevenage. https://doi.org/10.1049/cp.2018.1633
Chiappini, A. ; Nodehi, S. ; Armellini, C. ; Piccolo, V. ; Zonta, D. ; Pietralunga, S.M. ; Ferrari, M. / Engineering optical and spectroscopic properties of colloidal crystals. 20th Italian National Conference on Photonic Technologies (Fotonica 2018). Stevenage, 2018. pp. 1-4
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Chiappini, A, Nodehi, S, Armellini, C, Piccolo, V, Zonta, D, Pietralunga, SM & Ferrari, M 2018, Engineering optical and spectroscopic properties of colloidal crystals. in 20th Italian National Conference on Photonic Technologies (Fotonica 2018). Stevenage, pp. 1-4, 20th Italian National Conference on Photonic Technologies, Fotonica 2018, Lecce, Italy, 23/05/18. https://doi.org/10.1049/cp.2018.1633

Engineering optical and spectroscopic properties of colloidal crystals. / Chiappini, A.; Nodehi, S.; Armellini, C.; Piccolo, V.; Zonta, D.; Pietralunga, S.M.; Ferrari, M.

20th Italian National Conference on Photonic Technologies (Fotonica 2018). Stevenage, 2018. p. 1-4.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

TY - GEN

T1 - Engineering optical and spectroscopic properties of colloidal crystals

AU - Chiappini, A.

AU - Nodehi, S.

AU - Armellini, C.

AU - Piccolo, V.

AU - Zonta, D.

AU - Pietralunga, S.M.

AU - Ferrari, M.

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AB - Three-dimensional (3D) inverse opal photonic crystals present the advantage of a large surface to volume ratio, which permits to allocate a high number of chromophores that can be used (i.e) for the development of highly efficient optical devices and sensors based on fluorescence detection. In this work, Er 3+ -activated inverse opals (ErIO) were synthesized using a polystyrene (PS) template by the sol-gel method. It has been observed that the ErIO spontaneous decay rates (SDRs) are modified with respect to the bulk counterparts (ErR) due to the spatial modulation of the effective refractive index n eff at the nanoscale.

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Chiappini A, Nodehi S, Armellini C, Piccolo V, Zonta D, Pietralunga SM et al. Engineering optical and spectroscopic properties of colloidal crystals. In 20th Italian National Conference on Photonic Technologies (Fotonica 2018). Stevenage. 2018. p. 1-4 https://doi.org/10.1049/cp.2018.1633