Issue 27, 2017

Coordination polymer nanoparticles from nucleotide and lanthanide ions as a versatile platform for color-tunable luminescence and integrating Boolean logic operations

Abstract

Novel supramolecular coordination polymer nanoparticles (CPNs) were synthesized via the self-assembly of guanosine monophosphate (GMP) and lanthanide ions (Ln3+, including Tb3+, Eu3+ and Ce3+) in aqueous solution. These CPNs (GMP/Tb3+, GMP/Eu3+ and GMP/Ce3+) have an identical coordination environment but exhibit completely different luminescence properties responding to external stimuli such as dipicolinic acid (DPA), ethylene diamine tetraacetic acid (EDTA), pH and metal ions, which has inspired us to tune the emission color of the CPNs and perform multiple logic operations. Firstly, color-tunable luminescence from red to green can be easily achieved by modulating the doping ratio of Tb3+ and Eu3+ into GMP. Notably, trichromatic white light emitting CPNs can be successfully realized by simultaneously doping Tb3+, Eu3+ and Ce3+ into the host or just adjusting the pH of the solution. What's more, by employing GMP/Tb3+ CPNs as a logic operator, we have achieved the implementation of multilayered gate cascades (INH–INH, NOR–OR). When GMP/Eu3+ CPNs served as a logic operator, the logic elements can be integrated as another combinatorial gate (AND–INH). Moreover, by employing the red emission of Eu3+ and blue emission of GMP as the dual-output signal transducer, a set of parallel logic gates was established successfully. These results help elucidate the design rules by which simple logic can be integrated to construct cascaded logic gates and expand the applications of CPNs in light-emitting diode (LED) lamps and biological systems.

Graphical abstract: Coordination polymer nanoparticles from nucleotide and lanthanide ions as a versatile platform for color-tunable luminescence and integrating Boolean logic operations

Article information

Article type
Paper
Submitted
08 May 2017
Accepted
07 Jun 2017
First published
09 Jun 2017

Nanoscale, 2017,9, 9589-9597

Coordination polymer nanoparticles from nucleotide and lanthanide ions as a versatile platform for color-tunable luminescence and integrating Boolean logic operations

R. Gao, S. Shi, Y. Li, M. Wumaier, X. Hu and T. Yao, Nanoscale, 2017, 9, 9589 DOI: 10.1039/C7NR03264A

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