RECENT ADVANCES IN TRANSITION METAL DICHALCOGENIDES-BASED MATERIALS FOR FOURTH-GENERATION PEROVSKITE SOLAR CELL DEVICES

Recent advances in transition metal dichalcogenides-based materials for fourth-generation perovskite solar cell devices

Transition metal dichalcogenides (TMDCs) have attracted momentous scientific attention because of their intriguing properties, such as high optical transparency, high charge mobility, self-passivating surfaces, adjustable bandgap values, and work function and chemical stability.These TMDC materials have been incorporated into third-generation perov

read more


Comparison of speech changes caused by four different orthodontic retainers: a crossover randomized clinical trial

ABSTRACT Objective: This study aimed to compare the influence of four different maxillary removable orthodontic retainers on speech.Material and Methods: Eligibility criteria for sample selection were: 20-40-year subjects with acceptable occlusion, native speakers of Portuguese.The volunteers (n=21) were divided in four groups randomized with a 1:1

read more