TY - GEN
T1 - Photoluminescence from SiO 2 nanostructures prepared by a sequential RIE process
AU - Pirouz, Amirabbas
AU - Ebrahimi, Seyedehaida
AU - Karbassian, Farshid
AU - Mohajerzadeh, Shamsoddin
PY - 2011
Y1 - 2011
N2 - SiO 2 nanostructures have been fabricated by sequential etching/passivation treatment of an amorphous SiO 2 layer, using mixture of SF 6, H 2 and O 2 gases. Photoluminescence measurements depicts that nano-textured SiO 2 films have emission spectra between 530 and 580 nm depending on the details of the sample treatment. The effects of sequence numbers, post-RIE-process hydrogenation treatment, and annealing temperature on the PL characteristics were explored. It is observed that annealing the porous SiO 2 nanostructures significantly increases the PL intensity. Increasing either the plasma current or hydrogenation time will cause a redshift in the PL spectrum. The morphology of the SiO 2 nanostructures has also been studied using field-emission scanning electron microscopy.
AB - SiO 2 nanostructures have been fabricated by sequential etching/passivation treatment of an amorphous SiO 2 layer, using mixture of SF 6, H 2 and O 2 gases. Photoluminescence measurements depicts that nano-textured SiO 2 films have emission spectra between 530 and 580 nm depending on the details of the sample treatment. The effects of sequence numbers, post-RIE-process hydrogenation treatment, and annealing temperature on the PL characteristics were explored. It is observed that annealing the porous SiO 2 nanostructures significantly increases the PL intensity. Increasing either the plasma current or hydrogenation time will cause a redshift in the PL spectrum. The morphology of the SiO 2 nanostructures has also been studied using field-emission scanning electron microscopy.
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U2 - 10.1109/NMDC.2011.6155380
DO - 10.1109/NMDC.2011.6155380
M3 - Conference contribution
AN - SCOPUS:84860487700
SN - 9781457721397
T3 - 2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011
SP - 372
EP - 375
BT - 2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011
T2 - 2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011
Y2 - 18 October 2011 through 21 October 2011
ER -