{"knowledge_schema": {"broad_category": "Chemistry \u2192 Organic Electronics \u2192 Organic Radicals", "refinement": "This area focuses on the design and application of organic radicals in electronic devices, particularly in organic light-emitting diodes (OLEDs).", "specific_scope": "The challenge specifically pertains to the performance characteristics of air-stable organic radicals, particularly their charge mobility, which is crucial for efficient OLED operation.", "goal": "Identify and understand the challenges faced in the development of effective air-stable organic radicals for OLED applications."}, "summary": "In the context of designing air-stable organic radicals for OLEDs, a significant challenge is low charge mobility due to structural rigidity. This affects the efficiency of charge transport within the device, which is critical for optimal performance. Understanding this challenge helps in guiding the design of better materials that can enhance the functionality of OLEDs."}