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[Fizinfo] BNC szeminárium - Selay Sert


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  • From: László Bottyán <bottyan.laszlo AT wigner.hu>
  • To: Fizinfo <fizinfo AT lists.kfki.hu>, KFKI Kampusz Intezetei <intezetek AT mail.kfki.hu>
  • Cc: International BNC user list <bnc-user AT bnc.hu>
  • Subject: [Fizinfo] BNC szeminárium - Selay Sert
  • Date: Mon, 22 Apr 2024 15:00:05 +0200 (CEST)
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English speakers please scroll down.

Tisztelt Kollégák,

A Budapesti Neutronközpont következő (angol nyelvű) szemináriumára

"Organofunctional Silica Nanomaterials for Energy and Environmental Applications" címmel,

2024. április 25-én, csütörtök 14:00 órakor kerül sor a

KFKI kampusz XIX. épülete tanácstermében.

Előadó: Selay Sert Çok
(BNC HUN-REN EK, illetve Chemical Engineering Dept, Ege Univ., İzmir,
Turkey)

Az előadást on-line formában is közvetíteni fogjuk. Az előadásra, illetve utólag a videofelvételre mutató linkeket a www.bnc.hu/News oldalra kitett hirdetésben közöljük.

Minden személyes és on-line érdeklődőt szeretettel várunk.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Dear Colleagues,

The next in-person (EN language) BNC seminar entitled:

"Development of In-situ Thin Film Growth for Polarized Neutron Reflectometry"

to be given by

Selay Sert Çok
(BNC HUN-REN EK, illetve Chemical Engineering Dept, Ege Univ., İzmir,
Turkey)

on 25 April, 2024 (Thursday) 2 p.m. (KFKI Campus, Bldg 19)

The seminar is also planned to be streamed. Please find the link to the
MS Teams netmeeting and later to the recorded video in the www.bnc.hu/News announcement.

All in-person and on-line visitors are welcome.

Best regards,

László Bottyán

----------------------------------------------------------------------------------

ABSTRACT

Organofunctional Silica Nanomaterials For Energy And Environmental
Applications

Selay Sert Çok(1,2), Adél Len(1), , Zoltán Dudás(1)

(1) BNC, HUN-REN Centre for Energy Research, Budapest, Hungary
(2) Chemical Engineering Department, Ege University, İzmir, Turkey

Sol-gel derived functional silica-based aerogel-like materials and hybrids comprise an important class of porous materials that are widely employed in many applications due to their highly developed porous network, ease of functionalization, mechanical/chemical/thermal stability, and recyclability. Thanks to the versatility of sol-gel chemistry, surface properties and microstructures of silica aerogels can easily be tuned by incorporating organic moieties into inorganic skeleton. These hybrid structures benefit from the functionality of the organic groups and the high surface area and stability of the inorganic silica host. So far, our research concentrated on the numerous ways of target-specific functionalization of silica aerogels/xerogels for diverse energy-related, environmental and biomedical applications. We have developed methyl, ethyl, vinyl, methacrylate, epoxide and amine functionalized silica aerogels by incorporating organosilanes in-situ to the sol-gel reactions. In those studies, chemical and structural variations induced by the added organic functional groups to the silica skeleton and their impact on the micro- and macroscopic properties were characterized by various techniques such as IR spectroscopy, ssNMR spectroscopy, N2 porosimetry, scanning electron microscopy, small- angle neutron and X-ray scattering, thermogravimetric analysis and contact angle measurements. Functionalized silica aero/xerogels were utilized both as efficient adsorbents with high sorption capacity and reusability for the removal of oil, organic solvents and pharmaceutical compounds from wastewater in environmental remediation applications and as thermal insulators with effective thermal conductivity values lower than 45 mW/mK in energy-saving applications. Due to their super hydrophobicity (Θ>150°) they prove to be effective as bacteria-repelling barriers for potential health-care-related applications. Keywords: silica aerogels-xerogels, organic functionality, thermal insulation, environmental remediation.

REFERENCES
1. Selay Sert Çok, Fatoș Koç, Adél Len, Nilay Gizli, Zoltán Dudás,
Separation and Purification Technology, 2024, 334, 125958.
2. Selay Sert Çok, Fatoş Koç, Zoltán Dudás, Nilay Gizli,
Gels, 2023, 9, 33.
3. S. Sert Çok, F. Koç, N. Gi̇zli̇, Journal of Hazardous Materials,
Volume 408, 124858, 2021.
4. S. Sert Çok, N. Gi̇zli̇, International Journal of Heat and Mass Transfer, Vol. 188, 122618, 2022.


  • [Fizinfo] BNC szeminárium - Selay Sert, László Bottyán, 04/22/2024

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