The effect of π-extended indoleninyl-dibenzotetraaza[14]annulenes on their third-order nonlinear optical properties - Ramle, Abdul Qaiyum; Hisham, Shameer; Md Yusof, Enis Nadia; Alsaee, Saleh K.; Mohamad Latif, Muhammad Alif; Arshad, Suhana; Basirun, Wan Jefrey; Tiekink, Edward R.T.; Adam, Mohd Ridhwan (Elsevier, 2024)