Non-linear optical studies of CuPc. Experimental and Theoretical NANOTECHNOLOGY, [S. l.], v. 7, n. 3, p. 433–440, 2023. DOI: 10.56053/7.3.433. Disponível em: https://etnano.com/index.php/journal/article/view/14.. Acesso em: 23 feb. 2025.