| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Lima, João Carlos
Altice Portugal (Portugal)
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Cryoprotective Polysaccharides with Ordered Gel Structures Induce Ice Growth Anticipation and Survival Enhancement during Cell Cryopreservationcitations
- 2020Application of polyoxometalate-ionic liquids (POM-ILs) in dye-sensitized solar cells (DSSCs)citations
- 2017A non-invasive optical method for mapping temperature polarization in direct contact membrane distillationcitations
- 2016Molecular Weight Determination by Luminescent Chemo–enzymaticscitations
- 2015Tuning the Surface Chemistry of Nanoporous Carbons for Enhanced Nanoconfined Photochemical Activitycitations
- 2013Photoinduced reactions occurring on activated carbons. A combined photooxidation and ESR studycitations
- 2008Study of the effect of the phosphane bridging chain nature on the structural and photophysical properties of a series of gold(I) ethynylpyridine complexescitations
- 2008Probing the microenvironment of sol-gel entrapped cutinase: the role of added zeolite NaYcitations
- 2006Metallodendrimers containing both ruthenium (internal layer) and rhenium (external layer)citations
- 2000Fluorescence-labeled pyrenesulfonamide response for characterizing polymeric interfaces in composite materialscitations
Places of action
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article
Tuning the Surface Chemistry of Nanoporous Carbons for Enhanced Nanoconfined Photochemical Activity
Abstract
We showed the effect of surface oxidation on the conversion of light into a chemical reaction in the confined pore space of nanoporous carbons. The photoactivity of carbons is caused by the combination of high porosity and the presence of photoreactive sites that favor the splitting of the exciton inside the pores, which boosts its efficient use in chemical reactions. The incorporation of O-containing groups in the carbon matrix decreased the photoconversion inside the pores, although values were higher than those attained in solution. This is attributed to the lower stabilization of the exciton through the delocalization within the conjugated sp(2) network of the basal planes because of the electron-withdrawing effect of the O-containing groups. The photochemical conversion of light inside the pores is very sensitive to the acidic/basic nature of the O-containing groups of the carbon matrix, and can be enhanced by balancing the surface composition, porosity, and electronic mobility.