Zero-dimensional heterostructures: N-doped graphene dots/SnO<sub>2</sub> for ultrasensitive and selective NO<sub>2</sub> gas sensing at low temperatures
Rahul Purbia, Yeong Min Kwon, Hong‐Dae Kim, Yun Sik Lee, Heungjoo Shin, Jeong Min Baik
Abstract
Facile synthesis of zero-dimensional heterostructures consisting of N-doped graphene quantum dots (N-GDs) and SnO<sub>2</sub> nanoparticles is reported for the NO<sub>2</sub> gas sensor with high sensitivity and excellent selectivity.
Topics & Concepts
HeterojunctionGrapheneMaterials scienceQuantum dotDopingSelectivityNanotechnologyZero (linguistics)OptoelectronicsSensitivity (control systems)ChemistryElectronic engineeringBiochemistryLinguisticsPhilosophyCatalysisEngineeringGas Sensing Nanomaterials and SensorsCarbon and Quantum Dots ApplicationsGraphene research and applications