Electronic effects of nano-confinement in functional organic and inorganic materials for optoelectronics

Jongkuk Ko, Rüdiger Berger, Hyemin Lee, Hyunsik Yoon, Jinhan Cho, Kookheon Char

Research output: Contribution to journalReview articlepeer-review

19 Citations (Scopus)


When various optically and/or electronically active materials, such as conjugated polymers, perovskites, metals, and metal oxides, are confined at the nanoscale, they can exhibit unique nano-confined behavior that significantly differs from the behavior observed at the macroscale. Although controlled nano-confinement of functional materials can allow modulation of their electronic properties without the aid of any synthetic methodologies or additional chemical treatments, limited assembly approaches for nano-confinement and insufficient analytical tools for electronic characterization remain critical challenges in the development of novel optoelectronic materials and the investigation of their modulated properties. This review describes how the nano-confined features of organic and inorganic materials are related to the control and improvement of their optoelectronic properties. In particular, we focus on various assembly approaches for effective nano-confinement as well as methods for nano-electronic characterization. Then, we briefly present challenges and perspectives on the direction of nano-confinement in terms of the preparation of optoelectronic materials with desired functionalities. Furthermore, we believe that this review can provide a basis for developing and designing next-generation optoelectronics through nano-confinement.

Original languageEnglish
Pages (from-to)3585-3628
Number of pages44
JournalChemical Society Reviews
Issue number5
Publication statusPublished - 2021 Mar 7

ASJC Scopus subject areas

  • Chemistry(all)


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