Intrinsic Photoluminescence Emission from Subdomained Graphene Quantum…
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논문명 | Intrinsic Photoluminescence Emission from Subdomained Graphene Quantum Dots |
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저자 | Hyewon Yoon, Yun Hee Chang, Sung Ho Song, Eui‐Sup Lee, Sung Hwan Jin, Chanae Park, Jinsup Lee, Bo Hyun Kim, Hee Jae Kang, Yong‐Hyun Kim, Seokwoo Jeon |
저널명 | Advanced Materials |
게재년월 | 2016/5/1 |
Vol. pp | 28권 26호 페이지 5255-5261 |
The photoluminescence (PL) origin of bright blue emission arising from intrinsic states in graphene quantum dots (GQDs) is investigated. The bright PL of intercalatively acquired GQDs is attributed to favorably formed subdomains composed of four to seven carbon hexagons. Random and harsh oxidation which hinders the energetically favorable formation of subdomains causes weak and redshifted PL.