Table 1

Summary of the experimental test plan

Test no.

Dopant concentration (wt%)

CH₄ (lpm)

Objective

1

A

0

1.8

Study the influence of dopant concentration on TiO₂ material properties such as size, crystal phase, suspension stability, and light absorption.

B

0.5

C

1

D

3

E

5

F

15

2

A

3

0.8

Study the effect of methane flow rate on size and crystal phase of the material.

B

1.2

C

1.5

D

1.8

3

A

1

Annealing temperature, 400°C, 600°C

Examine the effect of annealing on phase and microstructure characteristics of Cu-doped TiO₂ nanoparticles

B

15

Duration of annealing under air, 4 h

All the particles were synthesized by diffusion flame aerosol reactor. Annealing was done in a furnace under air atmosphere.

Sahu and Biswas Nanoscale Research Letters 2011 6:441   doi:10.1186/1556-276X-6-441