Diketopyrrolopyrrole derivatives: influence of peripheral groups in the excited states absorption process - Cocca, Leandro Henrique Zucolotto; Valverde, João Victor Pereira; Marcia, Rafael Queiros; Leithold Neto, Alfredo; Macedo, Andreia Gerniski; Rodrigues, Paulo Cristina; Mendonça, Cleber Renato; De Boni, Leonardo (Photonics West, 2024)