Polímeros conjugados como camada ativa de diodos emissores de luz e fotodetectores Conjugated polymers as active layers in light-emitting diodes and photodetectors

by Ivo A. Hümmelgen, Lucimara S. Roman, Joaquim R. de Lima
Published 1998-01-01

Concomitant in Situ FTIR and Impedance Measurements To Address the 2‑Methylcyclopentanone Vapor-Sensing Mechanism in MnO2–Polymer Nanocomposites

by Viola O. Okechukwu, Vuyo Mavumengwana, Ivo A. Hümmelgen, Messai A. Mamo
Published 2019-05-01

Fungi Active Microbial Metabolism Detection of Rhizopus sp. and Aspergillus sp. Section Nigri on Strawberry Using a Set of Chemical Sensors Based on Carbon Nanostructures

by Marcia W. C. C. Greenshields, Bruno B. Cunha, Neil J. Coville, Ida C. Pimentel, Maria A. C. Zawadneak, Steffani Dobrovolski, Mireli T. Souza, Ivo A. Hümmelgen
Published 2016-09-01

Hierarchical Nanoflowers of Colloidal WS₂ and Their Potential Gas Sensing Properties for Room Temperature Detection of Ammonia

by Siziwe S. Gqoba, Rafael Rodrigues, Sharon Lerato Mphahlele, Zakhele Ndala, Mildred Airo, Paul Olawale Fadojutimi, Ivo A. Hümmelgen, Ella C. Linganiso, Makwena J. Moloto, Nosipho Moloto
Published 2021-08-01