Browsing Physics by Author "Umar, Akrajas Ali"

Now showing items 1-4 of 4

EFEK VARIASI PERSENTASE ATOM PEN-DOPING GALIUM-BORON TERHADAP MORFOLOGI NANOROD ZnO

Saddiah; Iwantono; Umar, Akrajas Ali (2016-02-01)

ZnO nanorods growth has been performed by using hydrothermal method at a temperature of 90°C for 8 hours on the surface of Fluorine Tin Oxide (FTO). The effect of Gallium (Ga) atom varied by 1%; 1.5%; 2%; 3% with boron ...
Efek Variasi Suhu Annealing Terhadap Morfologi Nanotube ZnO yang Di-doping Boron

Pajrin, Erawati; Iwantono; Umar, Akrajas Ali (2016-01-30)

ZnO nanotube growth onto Florine Tin Oxide (FTO) was successfully carried out by the hydrothermal method. The effect of annealing temperature was evaluated using several methods : Field Emission Scanning Electron Microscopy ...
EFEK VARIASI SUHU ANNEALING YANG DI-DOPING BORON TERHADAP MORFOLOGI NANOROD ZnO

Damayana, Maya; Iwantono; Umar, Akrajas Ali (2016-05-19)

ZnO nanorods have successfully grown on the surface of FTO (Fluorine Tin Oxide) by hydrothermal method at a temperature of 90˚ C for 8 hours. This study was conducted to analyze the effect of variations in annealing ...
PENUMBUHAN DAN KARAKTERISASI NANOPARTIKEL PLATINUM DI ATAS PERMUKAAN SUBSTRAT PADAT DENGAN SEED-MEDIATED GROWTH

Afrida, Tengku; Iwantono; Umar, Akrajas Ali (2013-04-24)

Nanopartikel platinum berhasil ditumbuhkan di atas substrat padat dengan metode seed- mediated growth. Nanopartikel platinum ditumbuhkan pada temperatur 50°C dengan larutan PVP 8 ml dan katalis NaOH 0.10 ml, 0.15 ml, ...

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