DataVXACS Applied Nano MaterialsPaper
journal article·2018-10-26

Two-Photon Absorption and Fluorescence in Micrometer-Sized Single Crystals of a Rhodamine B Coordinated Metal–Organic Framework

Mayank Gupta, Dileep Kottilil, Kapil Tomar, Shunbin Lu, C. Vijayan, Wei Ji, Parimal K. Bharadwaj

ACS Applied Nano Materials· Volume 1· Issue 10
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Source abstract

Abstract

A Rhodamine B (RhB) dye coordinated, 2D metal–organic framework (MOF), {[Zn2(L)(RhB)]·5DMF}n (1; DMF = N,N-dimethylformamide), was constructed solvothermally from a −NH2-functionalized ligand and ZnII ions. The MOF features interlayer π···π interaction between the RhB molecules with an overlap of almost 100%. One- and two-photon-excited fluorescence measurements were carried out on micrometer-sized single crystals of varied thickness with continuous-wave and femtosecond pulsed lasers, respectively. The two-photon absorption coefficient was measured relative to the CdS crystal and found to be 7.1 ± 0.7 cm/GW at a wavelength of 1030 nm. Our findings demonstrate a new way of achieving solid-state dye microlasers or microsized light-frequency upconverters.
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Research context

OpenAlex topics: Nonlinear Optical Materials Studies · Nonlinear Optical Materials Research · Nanoplatforms for cancer theranostics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Indian Institute of Technology Kanpur, Kanpur 208016, India

Department of Physics, National University of Singapore, 3 Science Drive 3, Singapore 117542, Singapore

Department of Physics, Indian Institute of Technology Madras, Chennai 600036, India

SZU-NUS Collaborative Innovation Centre for Optoelectronic Science & Technology and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China

Funding

University Grants Commission · Science and Engineering Research Board · Ministry of Education - Singapore · Ministry of New and Renewable Energy India · Department of Science and Technology, Ministry of Science and Technology · National University of Singapore

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