All Stories

  1. The photophysics of Ruddlesden-Popper perovskites: A tale of energy, charges, and spins

    Article • Applied Physics Reviews, March 2021, American Institute of Physics

    Tze-Chien Sum

  2. Quo vadis, perovskite emitters?

    Article • The Journal of Chemical Physics, April 2020, American Institute of Physics

    Tze-Chien Sum

  3. Tunable room-temperature spin-selective optical Stark effect in solution-processed layered halide perovskites

    Article • Science Advances, June 2016, American Association for the Advancement of Science

    Tze-Chien Sum

  4. Energetics and dynamics in organic–inorganic halide perovskite photovoltaics and light emitters

    Article • Nanotechnology, August 2015, Institute of Physics Publishing

    Tze-Chien Sum

  5. Synthesis and photovoltaic properties of novel C60 bisadducts based on benzo[2,1,3]-thiadiazole

    Article • Tetrahedron, September 2014, Elsevier

    Tze-Chien Sum

  6. Perovskite, Synthesis

    Article • NANO, July 2014, World Scientific Pub Co Pte Lt

    Tze-Chien Sum, Miss Yanan FANG

  7. Performance Improvements in Polymer Nanofiber/Fullerene Solar Cells with External Electric Field Treatment

    Article • The Journal of Physical Chemistry C, May 2014, American Chemical Society (ACS)

    Tze-Chien Sum

  8. Cu2ZnSn(S,Se)4 kesterite solar cell with 5.1% efficiency using spray pyrolysis of aqueous precursor solution followed by selenization

    Article • Solar Energy Materials and Solar Cells, May 2014, Elsevier

    Tze-Chien Sum

  9. Mesoporous cerium oxide nanospheres for the visible-light driven photocatalytic degradation of dyes

    Article • Beilstein Journal of Nanotechnology, April 2014, Beilstein Institut

    Tze-Chien Sum

  10. Solar-to-fuels conversion over In2O3/g-C3N4 hybrid photocatalysts

    Article • Applied Catalysis B Environment and Energy, April 2014, Elsevier

    Tze-Chien Sum

  11. Ambipolar Charge Photogeneration and Transfer at GaAs/P3HT Heterointerfaces

    Article • The Journal of Physical Chemistry Letters, March 2014, American Chemical Society (ACS)

    Tze-Chien Sum

  12. Low-temperature solution-processed wavelength-tunable perovskites for lasing

    Article • Nature Materials, March 2014, Springer Science + Business Media

    Tze-Chien Sum

  13. Ag nanoparticle-blended plasmonic organic solar cells: performance enhancement or detraction?

    Article • March 2014, SPIE

    Tze-Chien Sum

  14. Dual Wavelength Electroluminescence from CdSe/CdS Tetrapods

    Article • ACS Nano, March 2014, American Chemical Society (ACS)

    Tze-Chien Sum

  15. Electron Transport Limitation in P3HT:CdSe Nanorods Hybrid Solar Cells

    Article • ACS Applied Materials & Interfaces, January 2014, American Chemical Society (ACS)

    Tze-Chien Sum

  16. The origin of high efficiency in low-temperature solution-processable bilayer organometal halide hybrid solar cells

    Article • Energy & Environmental Science, January 2014, Royal Society of Chemistry

    Tze-Chien Sum

  17. First-principles study of the lattice dynamics of Sb2S3

    Article • Physical Chemistry Chemical Physics, January 2014, Royal Society of Chemistry

    Tze-Chien Sum

  18. Novel self-assembled 2D networks based on zinc metal ion co-ordination: synthesis and comparative study with 3D networks

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Tze-Chien Sum

  19. Larger π-extended anti-/syn-aroylenediimidazole polyaromatic compounds: synthesis, physical properties, self-assembly, and quasi-linear conjugation effect

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Tze-Chien Sum

  20. Advancements in perovskite solar cells: photophysics behind the photovoltaics

    Article • Energy & Environmental Science, January 2014, Royal Society of Chemistry

    Tze-Chien Sum

  21. Spatially-Resolved Ultrafast Optical Spectroscopy of Polymer-Grafted Residues on CVD Graphene

    Article • The Journal of Physical Chemistry C, December 2013, American Chemical Society (ACS)

    Tze-Chien Sum

  22. Improving Photocatalytic H2 Evolution of TiO2 via Formation of {001}–{010} Quasi-Heterojunctions

    Article • The Journal of Physical Chemistry C, October 2013, American Chemical Society (ACS)

    Tze-Chien Sum

  23. Wavelength Tunable Single Nanowire Lasers Based on Surface Plasmon Polariton Enhanced Burstein–Moss Effect

    Article • Nano Letters, October 2013, American Chemical Society (ACS)

    Tze-Chien Sum

  24. Long-Range Balanced Electron- and Hole-Transport Lengths in Organic-Inorganic CH3NH3PbI3

    Article • Science, October 2013, American Association for the Advancement of Science

    Tze-Chien Sum

  25. PEGYLATED CONJUGATED OLIGOMERS FOR TARGETED TWO-PHOTON FLUORESCENCE IMAGING OF CANCER CELLS

    Article • Journal of Molecular and Engineering Materials, September 2013, World Scientific Pub Co Pte Lt

    Tze-Chien Sum

  26. Enhanced Photocatalytic Hydrogen Production with Synergistic Two-Phase Anatase/Brookite TiO2 Nanostructures

    Article • The Journal of Physical Chemistry C, July 2013, American Chemical Society (ACS)

    Tze-Chien Sum

  27. Uncovering loss mechanisms in silver nanoparticle-blended plasmonic organic solar cells

    Article • Nature Communications, June 2013, Springer Science + Business Media

    Tze-Chien Sum

  28. Hollow Nanostructures: Efficient Ag@AgCl Cubic Cage Photocatalysts Profit from Ultrafast Plasmon‐Induced Electron Transfer Processes (Adv. Funct. Mater. 23/2013)

    Article • Advanced Functional Materials, June 2013, Wiley

    Tze-Chien Sum

  29. Size-Dependent Exciton Recombination Dynamics in Single CdS Nanowires beyond the Quantum Confinement Regime

    Article • The Journal of Physical Chemistry C, May 2013, American Chemical Society (ACS)

    Tze-Chien Sum

  30. Exciton Dynamics: Ultrafast Exciton Dynamics and Two‐Photon Pumped Lasing from ZnSe Nanowires (Advanced Optical Materials 4/2013)

    Article • Advanced Optical Materials, April 2013, Wiley

    Tze-Chien Sum

  31. Tuning the influence of metal nanoparticles on ZnO photoluminescence by atomic-layer-deposited dielectric spacer

    Article • Nanophotonics, March 2013, De Gruyter

    Tze-Chien Sum, Giorgio Adamo

  32. Origin of green emission and charge trapping dynamics in ZnO nanowires

    Article • Physical Review B, March 2013, American Physical Society (APS)

    Tze-Chien Sum

  33. Light Harvesting: Photon Upconversion in Hetero‐nanostructured Photoanodes for Enhanced Near‐Infrared Light Harvesting (Adv. Mater. 11/2013)

    Article • Advanced Materials, March 2013, Wiley

    Tze-Chien Sum

  34. Ultrafast Exciton Dynamics and Two‐Photon Pumped Lasing from ZnSe Nanowires

    Article • Advanced Optical Materials, February 2013, Wiley

    Tze-Chien Sum

  35. Tailoring the Lasing Modes in Semiconductor Nanowire Cavities Using Intrinsic Self-Absorption

    Article • Nano Letters, February 2013, American Chemical Society (ACS)

    Tze-Chien Sum

  36. Efficient Ag@AgCl Cubic Cage Photocatalysts Profit from Ultrafast Plasmon‐Induced Electron Transfer Processes

    Article • Advanced Functional Materials, January 2013, Wiley

    Tze-Chien Sum

  37. Photon Upconversion in Hetero‐nanostructured Photoanodes for Enhanced Near‐Infrared Light Harvesting

    Article • Advanced Materials, January 2013, Wiley

    Tze-Chien Sum

  38. Other origins for the fluorescence modulation of single dye molecules in open-circuit and short-circuit devices

    Article • Physical Chemistry Chemical Physics, January 2013, Royal Society of Chemistry

    Tze-Chien Sum

  39. Artificial photosynthetic hydrogen evolution over g-C3N4 nanosheets coupled with cobaloxime

    Article • Physical Chemistry Chemical Physics, January 2013, Royal Society of Chemistry

    Tze-Chien Sum

  40. Auger-type Hole Trapping Process at Green Emission Centers of ZnO Nanowires

    Article • January 2013, Optical Society of America (OSA)

    Tze-Chien Sum

  41. Ultrafast Charge Carrier Dynamics and Upconversion Lasing from ZnSe Nanowires

    Article • January 2013, Optical Society of America (OSA)

    Tze-Chien Sum

  42. Size and Surface Effects on Transient Photoconductivity in CdS Nanobelts Probed by Optical Pump-Terahertz Probe Spectroscopy

    Article • January 2013, Optical Society of America (OSA)

    Tze-Chien Sum

  43. Three‐Dimensional CdS–Titanate Composite Nanomaterials for Enhanced Visible‐Light‐Driven Hydrogen Evolution

    Article • Small, December 2012, Wiley

    Tze-Chien Sum

  44. Highly Enhanced Exciton Recombination Rate by Strong Electron–Phonon Coupling in Single ZnTe Nanobelt

    Article • Nano Letters, December 2012, American Chemical Society (ACS)

    Tze-Chien Sum

  45. Ultralow-Threshold Two-Photon Pumped Amplified Spontaneous Emission and Lasing from Seeded CdSe/CdS Nanorod Heterostructures

    Article • ACS Nano, November 2012, American Chemical Society (ACS)

    Tze-Chien Sum

  46. Size and surface effects on transient photoconductivity in CdS nanobelts probed by time-resolved terahertz spectroscopy

    Article • Frontiers in Human Neuroscience, August 2012, American Institute of Physics

    Tze-Chien Sum

  47. Carrier Dynamics in Polymer Nanofiber:Fullerene Solar Cells

    Article • The Journal of Physical Chemistry C, August 2012, American Chemical Society (ACS)

    Tze-Chien Sum

  48. Efficiency Enhancement in Bulk-Heterojunction Solar Cells Integrated with Large-Area Ag Nanotriangle Arrays

    Article • The Journal of Physical Chemistry C, July 2012, American Chemical Society (ACS)

    Tze-Chien Sum

  49. Fluorophore-Doped Core–Multishell Spherical Plasmonic Nanocavities: Resonant Energy Transfer toward a Loss Compensation

    Article • ACS Nano, June 2012, American Chemical Society (ACS)

    Tze-Chien Sum

  50. Low Threshold, Amplified Spontaneous Emission from Core‐Seeded Semiconductor Nanotetrapods Incorporated into a Sol–Gel Matrix

    Article • Advanced Materials, May 2012, Wiley

    Tze-Chien Sum

  51. Composition‐Tunable Vertically Aligned CdSxSe1‐x Nanowire Arrays via van der Waals Epitaxy: Investigation of Optical Properties and Photocatalytic Behavior

    Article • Advanced Materials, May 2012, Wiley

    Tze-Chien Sum

  52. Resonant Aluminum Nanodisk Array for Enhanced Tunable Broadband Light Trapping in Ultrathin Bulk Heterojunction Organic Photovoltaic Devices

    Article • Plasmonics, March 2012, Springer Science + Business Media

    Tze-Chien Sum

  53. Ultrafine Gold Nanowire Networks as Plasmonic Antennae in Organic Photovoltaics

    Article • The Journal of Physical Chemistry C, March 2012, American Chemical Society (ACS)

    Tze-Chien Sum

  54. Tailoring the charge carrier dynamics in ZnO nanowires: the role of surface hole/electron traps

    Article • Physical Chemistry Chemical Physics, January 2012, Royal Society of Chemistry

    Tze-Chien Sum

  55. Hole transfer dynamics from dye molecules to p-type NiO nanoparticles: effects of processing conditions

    Article • Physical Chemistry Chemical Physics, January 2012, Royal Society of Chemistry

    Tze-Chien Sum

  56. Experimental and theoretical studies on pyrene-grafted polyoxometalate hybrid

    Article • Dalton Transactions, January 2012, Royal Society of Chemistry

    Tze-Chien Sum

  57. Tunable Giant Multi-Photon Absorption using Seeded CdSe/CdS Nanorod Heterostructures

    Article • January 2012, Optical Society of America (OSA)

    Tze-Chien Sum

  58. The formation of a carbon nanotube–graphene oxide core–shell structure and its possible applications

    Article • Carbon, December 2011, Elsevier

    Tze-Chien Sum

  59. Carrier and exciton spin dynamics in Cu-doped ZnO nanowires

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Tze-Chien Sum

  60. Tunable multi-photon absorption cross-sections using seeded CdSe/CdS nanorod heterostructures

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Tze-Chien Sum

  61. Engineering Fluorescence in Au‐Tipped, CdSe‐Seeded CdS Nanoheterostructures

    Article • Small, August 2011, Wiley

    Tze-Chien Sum

  62. Three-Photon Absorption in Seeded CdSe/CdS Nanorod Heterostructures

    Article • The Journal of Physical Chemistry C, August 2011, American Chemical Society (ACS)

    Tze-Chien Sum

  63. Dynamics of Bound Exciton Complexes in CdS Nanobelts

    Article • ACS Nano, April 2011, American Chemical Society (ACS)

    Tze-Chien Sum, Professor Jianbo Wang

  64. Charge transfer dynamics in Cu-doped ZnO nanowires

    Article • Frontiers in Human Neuroscience, March 2011, American Institute of Physics

    Tze-Chien Sum

  65. Tunable Multi-Photon Absorption Cross-sections using Seeded CdSe/CdS Nanorod Heterostructures

    Article • January 2011, Optical Society of America (OSA)

    Tze-Chien Sum

  66. High index, reactive facet-controlled synthesis of one-dimensional single crystalline rare earth hydroxide nanobelts

    Article • CrystEngComm, January 2011, Royal Society of Chemistry

    Tze-Chien Sum

  67. Enhanced tunability of the multiphoton absorption cross-section in seeded CdSe/CdS nanorod heterostructures

    Article • Frontiers in Human Neuroscience, August 2010, American Institute of Physics

    Tze-Chien Sum

  68. Nanoparticle fractionation using an aligned carbon nanotube array

    Article • Nanotechnology, June 2010, Institute of Physics Publishing

    Tze-Chien Sum

  69. Correlated d ferromagnetism and photoluminescence in undoped ZnO nanowires

    Article • Frontiers in Human Neuroscience, March 2010, American Institute of Physics

    Tze-Chien Sum

  70. The Physics of ultrafast saturable absorption in graphene

    Article • Optics Express, February 2010, Optical Society of America (OSA)

    Tze-Chien Sum

  71. ZnCdO/ZnO Coaxial Multiple Quantum Well Nanowire Heterostructures and Optical Properties

    Article • The Journal of Physical Chemistry C, February 2010, American Chemical Society (ACS)

    Tze-Chien Sum

  72. Probing Ultrafast Carrier-Carrier Scattering Dynamics in Epitaxial Graphene

    Article • January 2010, Optical Society of America (OSA)

    Tze-Chien Sum

  73. Modulated Infrared Electroluminescence From Organic Light-Emitting Diodes

    Article • Journal of Lightwave Technology, June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Tze-Chien Sum

  74. Comparative Study of Room‐Temperature Ferromagnetism in Cu‐Doped ZnO Nanowires Enhanced by Structural Inhomogeneity

    Article • Advanced Materials, September 2008, Wiley

    Tze-Chien Sum

  75. Cu-Doped ZnO Nanoneedles and Nanonails: Morphological Evolution and Physical Properties

    Article • The Journal of Physical Chemistry C, June 2008, American Chemical Society (ACS)

    Tze-Chien Sum

  76. Proton beam writing of passive polymer optical waveguides

    Article • January 2004, SPIE

    Tze-Chien Sum, Professor Venugopal Rao Soma

  77. Fabrication of micro-optical components in polymer using proton beam writing

    Article • January 2004, SPIE

    Tze-Chien Sum

  78. Proton beam writing: a progress review

    Article • International Journal of Nanotechnology, January 2004, Inderscience Publishers

    Tze-Chien Sum