關鍵字查詢 | 類別:期刊論文 | | 關鍵字:Investigation of lateral exciton transfer of coexistent quantum dot systems

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1 97/1 企管系 鄭振益 副教授 期刊論文 發佈 Investigation of lateral exciton transfer of coexistent quantum dot systems , [97-1] :Investigation of lateral exciton transfer of coexistent quantum dot systems期刊論文Investigation of lateral exciton transfer of coexistent quantum dot systemsLee, Jia-ren; Lu, Chien-rong; Jen, Jen-yi淡江大學物理學系cadmium compounds; excitons; II-VI semiconductors; photoluminescence; radiation quenching; red shift; scanning probe microscopy; semiconductor quantum dots; zinc compoundsCollege Park: American Institute of PhysicsJournal of Applied Physics 104(7), pp.073523(4 pages)The optical characterization of the ZnCdSe/ZnSe quantum dot (QDs) system is studied by photoluminescence (PL) spectrum measured at temperatures from 22 to 300 K. The distinct quenching rates of spectral integrated intensity demonstrate that there are divergent lateral exciton transfer modes between two types of coexistent QDs with different sizes and densities. The smaller and denser QD assemblies are advantageous to trigger lateral migration of thermally activated excitons due to their shallower localization and more coupli
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