Improved photocatalytic activity of ZnO film prepared via green synthesis method using red watermelon rind extract

AS Rini, Y Rati, R Fadillah, R Farma, L Umar… - 2022 - catalog.lib.kyushu-u.ac.jp
In this study, the zinc oxide (ZnO) films have been prepared via the green-synthesis method
with rind extract of red watermelon (Citrullus lanatus) as bio-stabilizer, at various acidity (pH) …

Enhanced photocatalytic reactivity of nanojunction titania segregated by graphene oxide for decolorization of cationic pollutant and antibacterial applications

JS Alnawmasi - Biomass Conversion and Biorefinery, 2024 - Springer
A high bandgap of titanium dioxide (TiO2) and a very high electron–hole recombination rate
hindered its photocatalytic activity under a wide range of irradiation. Therefore, using …

Cytotoxicity of nanoparticles used in cosmetic industries: an in-depth insight

S Dash, S Singh, SK Singh - 2022 - catalog.lib.kyushu-u.ac.jp
As the incidence of skin malignancies, such as melanoma and nonmelanoma, has
increased, so has the use of sunscreens. Sunscreen-mediated photoprotection relies on …

Potential use of corn cob waste as the base material of silica thin films for anti-reflective coatings

H Al Hijri, JF Fatriansyah, N Sofyan, D Dhaneswara - 2022 - catalog.lib.kyushu-u.ac.jp
This research involves silica extraction from corn cob waste with the sol-gel method using
qualitative and ashless filter paper as a comparison. Anti-reflective coatings, as silica thin …

The effect of electrospinning precursor flow rate with rotating collector on ZnO nanofiber size results on double-layered DSSC photoanode fabrication

D Widhiyanuriyawan, Z Arifin, A Muwaffaq, S Suyitno… - 2023 - catalog.lib.kyushu-u.ac.jp
DSSC solar cells are predicted to be energy conversion devices for the next generation;
therefore, various developments are carried out to improve the performance of DSSC solar …

Adsorption Capacity of Mesoporous SBA-15 Particles Synthesized from Corncobs and Rice Husk at Different CTAB/P123 Ratios and Their Application for Dyes …

D Dhaneswara, N Zulfikar, JF Fatriansyah, MS Mastuli… - 2023 - catalog.lib.kyushu-u.ac.jp
Mesoporous silica can be a dye adsorbent to overcome related environmental problems. In
this report, the extraction of mesoporous SBA-15 from corncob ash (CCA) and rick husk ash …

Mini Review of Thermoelectric and their Potential Applications as Coolant in Electric Vehicles to Improve System Efficiency

C Harsito, MRA Putra, DA Purba, T Triyono - 2023 - catalog.lib.kyushu-u.ac.jp
Thermoelectric is a phenomenon of the temperature difference conversion into electrical
energy or vice versa. The phenomenon has been developed into a module so that it can be …

Photocatalytic Hydrogen Production Using Fe-Graphene/TiO2 Photocatalysts in the Presence of Polyalcohols as Sacrificial Agents

M Naimah, FDN Pratama, M Ibadurrohman - 2022 - catalog.lib.kyushu-u.ac.jp
Modifications of TiO2 in photocatalytic hydrogen production have been widely studied to
resolve its limitations in harnessing visible light and electron-hole recombination. Among …

Synthesis of WO_3/Pt Nanoparticle by Microwave-assisted Sol-gel Method for Enhanced Photocatalytic Property in Visible Light

H Widiyandari, Y Ayash, MS Al Ja'farawy, A Subagio… - 2023 - catalog.lib.kyushu-u.ac.jp
Pt co-catalyst WO3 (WO3/Pt) nanoparticle has been synthesized with a variation of platinum
co-catalyst mass percentage using the microwave-assisted sol-gel method. The XRD …

Fabrication of Oxide Passivated and Antireflective Thin Film Coated Emitter Layer in Two Steps for the Application in Photovoltaic

N Akter, A Hossion, N Amin - 2022 - catalog.lib.kyushu-u.ac.jp
The gap between laboratory scale and commercial silicon solar cells is wider, as many
processes are not being practiced in commercialization. In this work, we have investigated …