Reversible Tuning Luminescent Color and Emission Intensity: A Dipeptide‐Based Light‐Emitting Material

Teng, Mingjun; Jia, Xinru; Yang, Shuang; Chen, Xiaofang; Wei, Yen

doi:10.1002/adma.201104592

Cited by 176 publications

(82 citation statements)

References 52 publications

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“…Nitropeptides 2 and 3 were synthesized by conventional solutionphase peptide synthesis methodology using DCC as coupling reagent. The synthesized compounds were puried and characterized by 1 H-NMR, 13 C-NMR, FT-IR and mass spectrometry (MS) analysis.…”

Section: Resultsmentioning

confidence: 99%

Packing-induced solid-state fluorescence and thermochromic behavior of peptidic luminophores

Pramanik

Haldar

2017

RSC Adv.

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The effect of packing on the solid state fluorescent propensities of peptidic luminophores has been investigated. A series of peptides containing 6-nitro-coumarin-3-carboxylic acid and a-aminoisobutyric acid (Aib) has been synthesized to study the structure-property relationship and stimuli responsive emission properties of the luminophores. In spite of the presence of a coumarin chromophore, peptide 2 exhibits no solid state fluorescence. The alkyl chains of Aib affect the solid state molecular packing modes and optoelectronic properties significantly. However, the fluorescence microscopy confirmed the change of blue fluorescence of peptide 3 in crystal and in amorphous states. The X-ray crystallography sheds some light on the molecular orientation, packing and the diverse degree of p-p stacking orbital overlap of adjacent coumarin chromophores of the peptide 3. Irrespective of coumarin chromophore, the peptides exhibit different packing-induced solid state emission properties varying from one peptide to another, which highlights the effect of Aib side chains.

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Section: Resultsmentioning

confidence: 99%

Packing-induced solid-state fluorescence and thermochromic behavior of peptidic luminophores

Pramanik

Haldar

2017

RSC Adv.

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“…The results revealed an excimer-to-excimer (E1 to E2) transition mechanismo fp yrene, partially overlapped packing to give as andwich arrangement, and evidenced that the polypeptide was an effective framework for preparing mechanochromic materials. [33] Afterwards, we found ad ipeptidebased mechanophore (20, Figure 19) with two lactam rhodamine Bm oieties in the structure that could act as am echanical light switch in the solid state. [34] The as-prepared powder showedl ow emission intensity,w hereas ab right red emission centered at 583 nm emerged after heavily shearing it in situ Figure 15.…”

Section: Multicolor Switch Through Mechanical Control Of Both the Supmentioning

confidence: 99%

Mechanically Induced Multicolor Change of Luminescent Materials

et al. 2015

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Mechanofluorochromic or piezochromic fluorescence chemistry involves the switching and tuning of the luminescent properties of solid-state materials induced by exogenous forces, such as grinding, shearing, compression, tension, and so forth. Up until now, most reported mechanochromic systems, including liquid crystals, organic molecules, organometallic compounds, polymers, and dye-doped polymers, have displayed reversible two-color changes, which arise from either supramolecular or chemical structure transformations. However, fluorescent materials that undergo mechanically induced multicolor changes remain rare; this Minireview is focused on such materials. Topics are categorized according to the different applied forces that are required to induce the multicolor change, including mechanical control of either the supramolecular structures or the chemical structures, and mechanical control of both the supramolecular structures and chemical structures.

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“…Mechanical deformation of supramolecular materials is sometimes accompanied by alteration of photonic properties of supramolecular structures. For example, Jia and coworkers demonstrated mechanochromic luminescent behavior of assemblies of a pyrene-appended dipeptide compound ( Figure 7) [68]. In the as-prepared powder, hydrogen bonding inhibits molecular mobility and confines the orientation of pyrene groups to a partially overlapped architecture in the excited state.…”

Section: Manipulationmentioning

confidence: 99%

Nanophotonics and supramolecular chemistry

Ariga¹,

Komatsu

Hill³

2013

Nanophotonics

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Supramolecular chemistry has become a key area in emerging bottom-up nanoscience and nanotechnology. In particular, supramolecular systems that can produce a photonic output are increasingly important research targets and present various possibilities for practical applications. Accordingly, photonic properties of various supramolecular systems at the nanoscale are important in current nanotechnology. In this short review, nanophotonics in supramolecular chemistry will be briefly summarized by introducing recent examples of control of photonic responses of supramolecular systems. Topics are categorized according to the fundamental actions of their supramolecular systems: (i) self-assembly; (ii) recognition; (iii) manipulation.

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Reversible Tuning Luminescent Color and Emission Intensity: A Dipeptide‐Based Light‐Emitting Material

Cited by 176 publications

References 52 publications

Packing-induced solid-state fluorescence and thermochromic behavior of peptidic luminophores

Packing-induced solid-state fluorescence and thermochromic behavior of peptidic luminophores

Mechanically Induced Multicolor Change of Luminescent Materials

Nanophotonics and supramolecular chemistry

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