Intro to Ryu Group

My group studies chemical principles that rule the materials of low dimensions. All lives and things consist of numerous atoms and molecules. They form not only three-dimensional bulk structures, but also tiny ones including quantum dots in displays and catalysts, nanopores in cellular membranes, stacked atom-thick sheets in battery electrodes, nanowires in functional materials. In materials that perform certain functions, whether bio or inorganic, molecules flow in and out as reactants and products along with energy. In photocatalysts and photovoltaics, for example, energy absorbed from the sun is circulated in the form of excitons or charges. Understanding the flow of matter and energy is one essential task of modern chemistry and material sciences.

My group also develops various cutting-edge laser spectroscopy and microscopy methods. We utilize scattering, absorption, and emission of light generated after interaction with the matter in the low dimensions: time-independent vs time-resolved modes for absorption and emission, spontaneous vs stimulated Raman scattering, linear vs nonlinear spectroscopy. All methods are built on high-performance optical microscopes to target tiny worlds.

Currently, my group focuses on inorganic and organic 2D materials. Graphene, an inorganic representative for example, is only one-atom-thick but can be as wide as hundreds of microns or even more. Graphene is still an aromatic molecule, gigantically conjugated. Since its first isolation from graphite in 2004, scientists have made various exciting observations (see an essay or an academic review written by one of the 2010 Nobel laureates in Physics). Recently, we created 2D molecular crystals of polyacenes, which will be the first generation of organic 2D materials. We are much excited about the novel properties that our spectroscopic tools are revealing.

See the Research section for the details. 

Positions in Ryu Group

대학원생 모집: 2차원을 비롯한 저차원 물질의 화학적 물성 탐구를 위한 레이저 분광학 연구에 뜻이 있는 석사, 박사 및 통합프로그램 신입생을 모집합니다. 자세한 내용은 "Research" 페이지를 참조하거나 류순민 교수에게 문의하기 바랍니다.  [연락처]

연구참여 학부생 인턴 모집: 여름 및 겨울방학 또는 학기 중에 연구실 경험을 하고자 하는 학부생을 모집합니다. 타교 학생들을 위한 하계(7월) 및 동계(1월) 연구참여 프로그램도 있으니 전화, 이메일 또는 연구실 방문을 통해서 확인하기 바랍니다. [연락처] 

Positions available for prospective PhD & MS students: My group focuses on high-impact research. For those who are interested in the graduate program, please contact Sunmin Ryu. Applicants from foreign countries will also be strongly considered. [contact]

For undergraduate students: My group can bring you fun scientific experience this summer and winter. You can work together with the other group members in solving various scientific problems. If you are interested, please contact me. [contact]