Advances in the controlled synthesis and applications of luminescent metal nanoclusters

March 7, 2014

Luminescent metal nanoclusters are a new class of materials consisting of several, to tens of, metal atoms. These materials not only provide the missing link between atomic and nanoparticle behaviors in metals, but also present abundant information for the development of new material systems to meet urgent needs in optical imaging and related areas.

Gold (Au) and silver (Ag) (NCs) have been extensively studied over the past decade. In sharp contrast, other types of nanoclusters – composed of platinum (Pt) or non-noble metals – received much less attention, although they demonstrate comparable or superior luminescent properties.

In this paper, published in Science and Technology of Advanced Materials, Hong-Tao Sun and Yoshio Sakka focus on luminescent NCs composed of Pt, molybdenum (Mo), bismuth (Bi) or more than one metal element, and compare their respective advantages and disadvantages. They also speculate on future research and discuss potential developments for their use in sensors, bioimaging, and energy harvesting and conversion.

Given the low-cost, excellent chemical stability, colloidal stability and photostability of the nanoclusters described in this paper, they may find a broad range of applications in and related disciplines.

Explore further: Nanoclusters in steel add strength, stability under irradiated conditions

More information: "Luminescent metal nanoclusters: controlled synthesis and functional applications," Hong-Tao Sun and Yoshio Sakka: Sci. Technol. Adv. Mater. Vol. 15 (2014) p. 014205. dx.doi.org/10.1088/1468-6996/15/1/014205

Related Stories

Controlling the size of nanoclusters

August 19, 2008

Melissa Patterson, a W. Burghardt Turner Fellow at Stony Brook University (SBU), will give a talk at the American Chemical Society's national meeting in Philadelphia on controlling the size of nanoclusters, research she performed ...

New taxonomy of platinum nanoclusters

February 20, 2013

The unexpected diversity of metallic nanoclusters' inner structure has now been catalogued into families. Physicists have gained new insights into the inner intricacies of the structural variations of metallic nanoclusters. ...

Carbon dioxide paves the way to unique nanomaterials

January 23, 2014

In common perception, carbon dioxide is just a greenhouse gas, one of the major environmental problems of mankind. For Warsaw chemists CO2 became, however, something else: a key element of reactions allowing for creation ...

Recommended for you

Particles self-assemble into Archimedean tilings

December 8, 2016

(Phys.org)—For the first time, researchers have simulated particles that can spontaneously self-assemble into networks that form geometrical arrangements called Archimedean tilings. The key to realizing these structures ...

Nano-calligraphy on graphene

December 8, 2016

Scientists at The University of Manchester and Karlsruhe Institute of Technology have demonstrated a method to chemically modify small regions of graphene with high precision, leading to extreme miniaturisation of chemical ...

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.