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Nanoscale Research Letters
Figure 1 | Nanoscale Research Letters

Figure 1

From: Optimization, Yield Studies and Morphology of WO3Nano-Wires Synthesized by Laser Pyrolysis in C2H2and O2Ambients—Validation of a New Growth Mechanism

Figure 1

Laser pyrolysis illustration and the role of carrier gas and precursor relative flow-rates (a) when the precursor flow-rate is larger than the encapsulating carrier gas (Ar) and (b) when the precursor flow-rate is smaller than the flow-rate of Ar. The precursor is driven either by C2H2or O2. The particle deposition in (a) has profile of a hump, whereas the deposition in (b) has a vacancy at the centre as indicated on the substrates

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