Associate Professor Christian A. NIJHUIS

(Dean's Chair Professor)




B.Sc, University of Groningen, the Netherlands,1999; M.Sc. University of Groningen, the Netherlands, 2002; Ph. D. with distinction cum laude (top 5%), University of Twente, the Netherlands, 2006; Postdoctoral fellow, Harvard University, USA, 2007-2010; Fellow of the National Research Foundation (NRF) of Singapore.

Contact Information

Office: S14-06-09
Tel: (65)-6516-2667 | Fax: (65)-6779-1691
Email: chmnca@nus.edu.sg | Personal webpage


 

ORCID: 0000-0003-3435-4600   

 

Recognition and Achievements

  • Dean’s Chair, Faculty of Science, NUS, 2018
  • University Young Researcher Award, NUS, 2016
  • Department Outstanding Chemist Award, Department of Chemistry, NUS, 2016
  • Young Scientist Award, 2014
  • Head of the Molecular Electronics & Nanofabrication laboratory, 2010 - present
  • NRF research fellowship award, 2010

 

Research Interests

My general research interests include molecular electronics, plasmonic-electronics, supramolecular chemistry & self-assembly, quantum plasmonics, micro/nano-fabrication.

 

Research Highlight

Ref: Yuan, L.; Wang, L.; Garrigues, A. R.; Jian, L.; Annadata, H. V.; del Barco, E.; Nijhuis, C. A. “Transition from direct to inverted charge transport Marcus regions in molecular junctions via molecular orbital gating” NATURE NANOTECHNOLOGY 2018, 13, 322-329. Understanding and controlling how currents flow at the nanoscale is important for developing new generation nano-electronic devices and to reduce power consumption. For charges to flow across a molecule, usually an energy barrier needs to be overcome which requires heat. The so-called Marcus theory describes the science behind it and explains how the applied temperature increases or decreases current flow across molecules. Here we show for the first time that it is possible to inject charge into a molecule without suffering from an energy barrier by pushing the molecular junctions into the inverted Marcus region. This process is independent of temperature and does not require a heat source, and paves the way to reduce power consumption of future molecular electronic devices.

 

Teaching Contributions   

  • CM5262 Contemporary Materials Chemistry

 

Representative Publications   

  • Du, W.; Wang, T.; Chu, H.; Nijhuis, C. A. Highly efficient on-chip direct electronic–plasmonic transducers, Nat. Photon. 2017, 11, 623–627
  • Chen, X.; Roemer, M.; Yuan, L.; Du, W.; Thompson, D.; del Barco, E.; Nijhuis, C. A. Molecular diodes with rectification ratios exceeding 105 driven by electrostatic interactions. Nat. Nanotech. 2017, 12, 797–803.
  • Loh, D.; Sen, S.; Bosman, M.; Tan, S. F.; Zhong, J.; Nijhuis, C. A.; Král, P.; Matsudaira, P.; Mirsaidov, U. Multi-step nucleation of nanocrystals in aqueous solution. ‎Nat. Chem. 2017, 9, 77–82.
  • Du, W.; Wang, T.; Chu, H.; Wu, L.; Liu, R.; Sun, S.; Phua, W.K.; Wang, L.; Tomczak, N.; Nijhuis, C. A. On-chip Molecular Electronic Plasmon Sources Based on Self-Assembled Monolayer Tunnel Junctions. Nat. Photon. 2016, 10, 274 – 280.
  • Tan, S. F.; Wu, L.; Yang, J. K. W.; Bai, P.; Bosman, M.; Nijhuis, C. A. Quantum Plasmon Resonances Controlled by Molecular Tunnel Junctions, Science 2014, 343, 1496-1499.
  • Nerngchanmnong, N.; Yuan, L.; Qi, D. C.; Jiang, L.; Thompson, D.; Nijhuis, C. A. The role of van der Waals forces in the performance of molecular diodes Nat. Nanotech. 2013, 8, 113-118.