Biswal, Bishnu P. ; Shinde, Dhanraj B. ; Pillai, Vijayamohanan K. ; Banerjee, Rahul (2013) Stabilization of graphene quantum dots (GQDs) by encapsulation inside zeolitic imidazolate framework nanocrystals for photoluminescence tuning Nanoscale, 5 (21). p. 10556. ISSN 2040-3364
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Official URL: http://doi.org/10.1039/C3NR03511E
Related URL: http://dx.doi.org/10.1039/C3NR03511E
Abstract
Luminescent graphene quantum dots (GQDs) are encapsulated and stabilized in Zeolitic Imidazolate Framework (ZIF-8) nanocrystals. The GQDs are well confined due to the adsorption on the growing face of the ZIF-8 nanocrystals and have a profound effect on the shape of the nanocrystals from rhombic dodecahedron to spherical. Stabilizing GQDs inside the ZIF-8 nanocrystals results in tailoring of the photoluminescence emission (ca. 32 nm, bathochromic shift) of the GQD@ZIF-8 nanocrystal composite even after 3 months of aging under normal laboratory conditions. Also the water adsorption (at STP) capacity increased for the GQD@ZIF-8 composite as compared to the pristine ZIF-8.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The Royal Society of Chemistry. |
| ID Code: | 115848 |
| Deposited On: | 16 Mar 2021 09:15 |
| Last Modified: | 16 Mar 2021 09:15 |
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