**Author details**

Norani Muti Mohammed<sup>1</sup> , Robabeh Bashiri1 \*, Suriati Sufian<sup>2</sup> , Chong Fai Kait<sup>3</sup> and Saeed Majidai4

\*Address all correspondence to: robabeh.bashiri@utp.edu.my

1 Centre of Innovative Nanostructures and Nanodevices (COINN), Universiti Teknologi PETRONAS, Perak, Malaysia

2 Chemical Engineering Department, Universiti Teknologi PETRONAS, Perak, Malaysia

3 Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Perak, Malaysia

4 Leap Energy Partners, Kuala Lumpur, Malaysia
