Surface morphology and performance evaluation of ZnO/PANI nanoparticle-based gas sensor: An overview - Alaa Nihad Tuama; Muhammad Sufi Roslan; Zahraa N. Salman; Raad Shaker Alnayl; Khalid Haneen Abass; Laith H. Alzubaidi; Ahmad Faiz Mat Zian Mat Zin; Norhazimah Abdul Halim; Muhammad Hasnain Jameel (Next Nanotechnology, 2026)