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Physical Sciences Reviews

Ed. by Giamberini, Marta / Jastrzab, Renata / Liou, Juin J. / Luque, Rafael / Nawab, Yasir / Saha, Basudeb / Tylkowski, Bartosz / Xu, Chun-Ping / Cerruti, Pierfrancesco / Ambrogi, Veronica / Marturano, Valentina / Gulaczyk, Iwona

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Size-controlled atomically precise copper nanoclusters: Synthetic protocols, spectroscopic properties and applications

Nirmal Kumar Das
  • Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462 066, Madhya Pradesh, India
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Saptarshi Mukherjee
  • Corresponding author
  • Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462 066, Madhya Pradesh, India
  • Email
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2018-08-10 | DOI: https://doi.org/10.1515/psr-2017-0081

Abstract

Noble metal nanoclusters (NCs) are a new class of nanomaterials which are considered being a missing link between isolated metal atoms and metal nanoparticles (NPs). The sizes of the NCs are comparable to the Fermi wavelength of the conduction electrons, and this renders them to be luminescent in nature. They exhibit size-dependent fluorescence properties spanning almost the entire breath of the visible spectrum. Among all the noble metal NCs being explored, copper NCs (CuNCs) are the most rarely investigated primarily because of their propensity of getting oxidised. In this chapter, we have given a comprehensive understanding as to why these NCs are luminescent in nature. We have also given a detailed overview regarding the various templates used for the synthesis of these CuNCs along with the respective protocols being followed. The various instrumental techniques used to characterize these CuNCs are discussed which provides an in-depth understanding as to how these CuNCs can be properly examined. Finally, we have highlighted some of the most recent applications of these CuNCs which make them unique to serve as the next-generation fluorophores.

Graphical Abstract:

The Graphical Abstract highlights some of the key spectroscopic signatures of the CuNCs and their applications.

The Graphical Abstract highlights some of the key spectroscopic signatures of the CuNCs and their applications.

Keywords: luminescent nanoclusters; spectroscopic properties; synthetic protocols; templates; instrumentations; sensing; bio-imaging; nano-thermometry

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About the article

Nirmal Kumar Das

Dr. Nirmal Kumar Das did his M. Sc. from IIT Kanpur, Kanpur in 2012. Then, he joined as a PhD scholar in IISER Bhopal under the supervision of Professor Saptarshi Mukherjee. In November 2017, he successfully defended his PhD thesis. He is currently postdoctoral fellow in the same group. His research interests include spectroscopic investigation of organized assemblies, synthesis and spectroscopic applications of luminescent metal nanoclusters.

Saptarshi Mukherjee

Professor Saptarshi Mukherjee did his PhD under the supervision of Professor Kankan Bhattacharyya at IACS, Kolkata, and carried out his post-doctoral research with Professor H. Peter Lu at Bowling Green State University, Ohio, USA. He joined the Department of Chemistry, IISER Bhopal in December 2008. His research interests include luminescent metal nanoclusters, protein unfolding and refolding using ultrafast and single-molecule spectroscopy. He is presently as Professor in the Department of Chemistry, IISER Bhopal. He has received the INSA Young Scientist Medal in Chemical Sciences and is also a founding member of the Indian National Young Academy of Science.


Published Online: 2018-08-10


Citation Information: Physical Sciences Reviews, Volume 3, Issue 11, 20170081, ISSN (Online) 2365-659X, DOI: https://doi.org/10.1515/psr-2017-0081.

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