PHOTONIC HYBRIDS AND NANOMATERIALS GROUP

Aveiro-Portugal

university of aveiro

theoria poiesis praxis

physics department

ciceco

aveiro institute of materials

CApÍTULOS DE LIVRO

AR Bastos, PS André, LD Carlos, RAS Ferreira. Green photonics integrated circuits based on organic-inorganic hybrids., Book chapter from Nanocomposites for photonic and electronic applications. Chapter 9, Elsevier, (2020), em Sol-gel derived optical and photonic materials, edited by Elsevier, editores:  Rui Almeida, Alex Martucci, L. Santos and Rocio Hernandez.

 

 

ARTIGOS EM REVISTAS

Ming Fang, Albano N. Carneiro Neto, Lianshe Fu, Rute A. S. Ferreira, Verónica de Zea Bermudez and L. D. Carlos, A hybrid materials approach for fabricating efficient WLEDs based on di-ureasils doped with carbon dots and a europium complex, Adv. Mater. Technol. 2021, 2100727,  https://dx.doi.org/10.1002/admt.202100727.

 

Biju Francis, Mariela M. Nolasco, Paula Brandão, Rute A. S. Ferreira, Rafael S. Carvalho, Marco Cremona, and Luís D. Carlos, Efficient visible-light-excitable Eu3+ complexes for red organic light-emitting diodes, Eur. J. Inorg. Chem. 2020, 1260–1270,  https://dx.doi.org/10.1002/ejic.202000027.

 

Ming Fang, Lianshe Fu, Sandra F. H. Correia, Rute A. S. Ferreira and Luís D. Carlos, Highly efficient luminescent polycarboxylate lanthanide complexes incorporated into di-ureasils by an in-situ sol-gel process, Polymers 2018, 10, 434,  https://dx.doi.org/10.3390/polym10040434.

 

Ming Fang, Lianshe Fu, Rute A. S. Ferreira and Luís D. Carlos, White-light emitting di-ureasil hybrids, Materials 2018, 11, 2246, https://dx.doi.org/10.3390/ma11112246.

 

Airton G. Bispo-Jr, Sergio A. M. Lima, Luís D. Carlos, Ana M. Pires, and Rute A. S. Ferreira, Eu(II)-activated silicates for UV light-emitting diodes tuning into warm white light, Adv. Eng. Mater. 2020, 22, 2000422,  https://dx.doi.org/10.1002/adem.202000422.

 

Shikao Shi, Lina Wang, Ming Fang, Lianshe Fu, Luís D. Carlos, Rute A. S. Ferreira, Jiye Wang, Shuping Wang, Blue-light excitable La2Ce2O7:Eu3+ red phosphors for white light-emitting diodes, J. Alloys Compd. 2020, 814, 152226,  https://dx.doi.org/10.1016/j.jallcom.2019.152226.

 

Airton G. Bispo-Jr, Sergio A. M. Lima, Luís D. Carlos, Rute A. S. Ferreira, and Ana M. Pires, Red-emitting coatings for multifunctional UV/red emitting LEDs applied in plant circadian rhythm control, ECS J. Solid State Sci. Technol. 2020, 9, 016008,  https://dx.doi.org/10.1149/2.0122001JSS.

 

Airton G. Bispo-Jr, Sergio A. M. Lima, Luís D. Carlos, Rute A. S. Ferreira, Ana M. Pires, Phosphor-based green-emitting coatings for circadian lighting, J. Lumin. 2020, 224, 117298,  https://dx.doi.org/10.1016/j.jlumin.2020.117298.

 

Sandra F. H. Correia, Ricardo L. Fernandes, Lianshe Fu, Mariela M. Nolasco, Luís D. Carlos, and Rute A. S. Ferreira, High emission quantum yield Tb3+‐activated organic‐inorganic hybrids for UV‐down‐shifting green light‐emitting diodes, Eur. J. Inorg. Chem. 2020, (18), 1736–1742,  https://dx.doi.org/10.1002/ejic.202000054.

 

Ming Fang, Airton G. Bispo-Jr, Lianshe Fu, Rute A.S. Ferreira, Luís D. Carlos, Efficient green-emitting Tb-doped di-ureasil coating phosphors for near-UV excited light-emitting diodes, J. Lumin. 2020, 219, 116910,  https://dx.doi.org/10.1016/j.jlumin.2019.116910.

 

Thays C. F. Santos, Rebeca R. Rodrigues, Sandra F. H. Correia, Luís D. Carlos, Rute A. S. Ferreira, Celso Molina, Laura O. Péres, UV-converting blue-emitting polyfluorene-based organic-inorganic hybrids for solid state lighting, Polymer 2019, 174, 109–113,  https://dx.doi.org/10.1016/j.polymer.2019.04.042.

 

A. R. Bastos, B. McKenna, T. Silvério, L. D. Carlos, P. S. André, R. C. Evans, & R. A. S. Ferreira, Flexible photoluminescent waveguide amplifiers to improve visible light communication platforms. IET Optoelectronics, 2020, 14(6), 356-358,  https://dx.doi.org/10.1049/iet-opt.2020.0026.

 

Ana Bastos, Barry McKenna, Mário Lima, Paulo S. André, Luís D. Carlos, Rachel C. Evans, and Rute A. S. Ferreira, Flexible optical amplifier for visible-light communications based on organic-inorganic hybrids, ACS Omega 2018, 3, 13772−13781,  https://dx.doi.org/10.1021/acsomega.8b01726.

 

Ana R. Bastos, Guanpeng Lyu, Tiago Silvério, Paulo S. André, Rachel C. Evans, and Rute AS Ferreira. Flexible blue-light fiber amplifiers to improve signal coverage in advanced lighting communication systems, Cell Reports Phys. Sci. 2020, 1(4), 100041,  https://dx.doi.org/10.1016/j.xcrp.2020.100041.

 

João F. C. B. Ramalho, Sandra F. H. Correia, Lianshe Fu, Lara L. F. António, Carlos D. S. Brites, Paulo S. André, Rute A. S. Ferreira, and Luís D. Carlos, luminescence thermometry on the route of the mobile-based internet of things (IoT): How smart QR codes make it real, Adv. Sci. 2019, 6, 1900950, https://dx.doi.org/10.1002/advs.201900950.

 

Sandra F. H. Correia, Ana R. N. Bastos, Lianshe Fu, Luís D. Carlos, Paulo S. André, and Rute AS Ferreira. Lanthanide-based downshifting layers tested in a solar car race, Opto-Electronic Advances, 2019, 2 (6), 190006,  https://dx.doi.org/10.29026/oea.2019.190006.

 

PROTÓTIPOS

 

a) Emission spectra, and photographs, of the commercial LED and of the Eu3+-doped La2Ce2O7 red-emitting LEDs operating under forward-bias current of 2010-3 A; b) CIE chromaticity diagram (1931) showing the (x,y) emission chromaticity coordinates of original and coated LEDs.

a) Room temperature emission spectra of S1 to S5 WLEDs. The inset shows photographs of the devices. b) Relationship between CCT and CRI and the amount of blend phosphors used (the lines are visual guides).

a) Photographs of the operating LEDs prototypes with different composition; the CCT, the CRI, the LE of the LEDs, and the LER are also listed for each device, b) emission spectra, and c) 1931-CIE coordinate diagram of the LED prototypes operating at 3.1 V

(a) Emission spectra dependence on the operating voltage of the 365-B LED. The inset shows a photograph of the 365-B LED. (b) (x,y) 1931 CIE coordinate dependence on the operating voltage compared to the region required for traffic signals (region delimited by black lines) and automotive device (blue shadowed region) application.

Photograph of the green-emitting LED prototypes: near-UV SMD LEDs (number of LEDs = 35) coated with tU5Tb in a printed circuit board and operating at 20 mA

Photographs of a free standing film of 30TbSal@dU6 under (a) day light and (b) near-UV radiation (365 nm); In (c) a commercial NUV-LED chips (365 nm) coated with 30TbSal@dU6 is shown (the grey dashed circle signs the hybrid coating), whereas the photo in (d) zooms the LED operating at 510-3 A of driving current.

(a) CIE chromaticity diagram showing the (x,y) emission colour of d-U(600)PF1(circle), d-U (600)PF5 (triangle), d-U(600)PF10 (diamond) and d-U(600)PF20 (square) excited at 365 nm and (b) of d-U(600)PF5 as function of the excitation wavelength indicated for each data point, in nm; (c) radiant power spectrum of the best performance device; (d) CIE chromaticity diagram showing the (x,y) emission colour of the fabricated LED operating on 3.5 V, 20 mA. The inset shows a photograph of the LED.

MADE  BY  PHANTOM-G, AVEIRO, PORTUGAL