Two-photon absorption process in symmetric diketopyrrolopyrrole derivatives: influence of Thienyl Moiety and Bromine Atom - Valverde, João Victor Pereira; Cocca, Leandro Henrique Zucolotto; Leithold Neto, Alfredo; Macedo, Andreia Gerniski; Silva, Daniel Luiz da; Rodrigues, Paula Cristina; De Boni, Leonardo; Mendonça, Cleber Renato (Brazil MRS Meeting, 2023)