Choi, Yung Ji Hwang, Daesub Chung, Heejae Kim, Dong Young Kim, Dongho 2024-01-20T06:34:28Z 2024-01-20T06:34:28Z 2021-09-05 2015-07 1884-4049 https://pubs.kist.re.kr/handle/201004/125292 The ability to control inter-dot or inter-molecule spacing of functional moieties in solid-state devices has long been studied for both fundamental and technological reasons. In this study, we present a new strategy for controlling the distance between quantum dots (QDs) based on one-dimensional spatial confinement in a polymer nanofiber template. This reliable technique allows for the isolation of QDs at a sufficient distance in a thin film and retains their monomeric character, with distinct spectra from aggregates (similar to 30-nm shift) and monoexponential photoluminescence decay, indicating the suppression of inter-dot interactions. We successfully developed light-harvesting devices by incorporating QDs in nanofibers as an auxiliary light harvester, improving the performance of these devices from 5.9 to 7.4%. This strategy offers a viable path of controlling the arrangements of various functional moieties in solid-state devices. English NATURE PUBLISHING GROUP Controlling the spatial distribution of quantum dots in nanofiber for light-harvesting devices Article 10.1038/am.2015.76 1 NPG ASIA MATERIALS, v.7 NPG ASIA MATERIALS 7 N scie scopus 000358781900006 2-s2.0-84953733702 Materials Science, Multidisciplinary Materials Science Article SENSITIZED SOLAR-CELLS ENERGY RELAY DYES SOLID-STATE GRAPHENE PORPHYRINS BEHAVIOR TIO2 SENSITIZED SOLAR-CELLS ENERGY RELAY DYES SOLID-STATE GRAPHENE PORPHYRINS