Enhanced photovoltaic properties via end‑capped acceptor moieties with quinoidal selenophene π‑spacer: probed by DFT/TD‑DFT - Khan, Mashal; khalid, Muhammad; Murtaza, Shahzad; Braga, Ataualpa Albert Carmo; Imran, Muhammad; Ojha, Suvash Chandra (Journal of Saudi Chemical Society, 2025)