Peter HO

PhD, University of Cambridge, UK (1999)

Office : S7-03-10  |  Tel : 6516 8781 / 6516 2833
Email : phyhop@nus.edu.sg or scihop@nus.edu.sg

Current Research

  • Organic semiconductor device physics and technology, covering polymer light-emitting diodes, field-effect transistors, photovoltaic memory devices, and monolayer devices. Polymer heterostructures and interfaces.

Selected Publications

  1. B. Liu, R.Q. Png, J.K. Tan, and P.K.H. Ho, “Evaluation of built-in potential and loss mechanisms at contacts in organic solar cells: device model parameterisation, validation, and prediction”, Adv. Energy Mater. 4, 1200972 (2014).

  2. B. Liu, R.Q. Png, L.H. Zhao, L.L. Chua, R.H. Friend, and P.K.H. Ho, “High internal quantum efficiency in fullerene solar cells based on crosslinked polymer donor networks”, Nat. Commun. 3, 1321 (2012).

  3. R.Q. Png, P.J. Chia, J.C. Tang, B. Liu, S. Sivaramakrishnan, M. Zhou, S.H. Khong, H.S.O. Chan, J.H. Burroughes, L.L. Chua, R.H. Friend, and P.K.H. Ho, “High-performance polymer semiconducting heterostructure devices by nitrenes mediated photocrosslinking of alkyl side chains”, Nat. Mater. 9, 152 (2010).

  4. M. Zhou, L.L. Chua, R.Q. Png, C.K. Yong, S. Sivaramakrishnan, P.J. Chia, A.T.S. Wee, R.H. Friend, and P.K.H. Ho, “Role of d-hole-doped interfaces at ohmic contacts to organic semiconductors”, Phys. Rev. Lett. 103, 036601 (2009).

  5. P.J. Chia, Sivaramakrishnan, S. M. Zhou, R.Q. Png, L.L. Chua, R.H. Friend, and P.K.H. Ho, “ Direct evidence for the role of the Madelung potential in determining the work function of doped organic semiconductors”, Phys. Rev. Lett. 102, 096602 (2009).

  6. S. Sivaramakrishnan, P.J. Chia, Y.C. Yeo, L.L. Chua, and P.K.H. Ho, “Controlled insulator-to-metal transformation in printable polymer composites with nanometal clusters”, Nat. Mater. 6, 149 (2007).

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