Ideal dopant to increase charge separation efficiency in hematite photoanodes: germanium
Murillo Henrique de Matos Rodrigues, Ingrid Rodríguez‐Gutiérrez, Carlos Ospina, Carlos Alberto Rodrigo Costa, Cleyton Alexandre Biffe, João Batista Souza, Flávio L. Souza, Edson R. Leite
Abstract
The germanium improves the electronic conductivity and increases the majority carrier mobility, resulting in a photocurrent of 3.2 mA cm −2 .
Topics & Concepts
GermaniumPhotocurrentDopantHematiteIdeal (ethics)Materials scienceElectron mobilityOptoelectronicsCharge carrierConductivityDopingEngineering physicsChemistryMetallurgySiliconPhysicsPhysical chemistryPolitical scienceLawIron oxide chemistry and applicationsMine drainage and remediation techniquesArsenic contamination and mitigation