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Materials Science and Engineering
Udo Bach

Udo Bach

Professor, Materials Science and Engineering
+61 3 990 56264
Room 108, Building 82, Clayton Campus

2016 ANFF - Vic Technology Fellow Ambassador (MCN)
2011 Australian Research Fellowship (Monash University)
2011 Office of the Chief Executive Science Leader Fellowship (CSIRO)
2011 Melbourne Centre for Nanofabrication Tech Fellow (MCN)
2006 Australian Research Fellow (Monash University)
2005 Monash Research Fellow (Monash University)
2004 - 2005 PostDoc (UC Berkeley / USA) in the group of Prof. Paul Alivisatos
2003 - 2004 Post Doc (Swiss Federal Institute of Technology Lausanne/Switzerland) in the group of Prof. Michael Grätzel
2000-2003 Research Group Leader at NTera Ltd. (Dublin/Ireland; Development of paper-quality displays)
1995 - 2000 PhD (Swiss Federal Institute of Technology Lausanne/Switzerland) under the supervision of Prof. Michael Grätzel (Solid State Dye-Sensitized Mesoporous TiO2 solar cells)
1995 Chemistry Diploma (University of Konstanz/Germany)


VICOSC group

Teaching Commitments:

  • MTE 3545, MTE4597


  • Publications 2016
  • Dkhissi, Y.; Weerasinghe, H.; Meyer, S.; Benesperi, I; Bach, U.; Spiccia, L.; Caruso, RA.; Cheng, YB. Parameters responsible for the degradation of CH3NH3PbI3-based solar cells on polymer substrates. Nano Energy 22, 211-222 (2016)
  • Zheng, YH.; Jiang, C.; Ng, SH.; Lu, Y.; Han, F.; Bach, U.; Gooding, JJ. Unclonable Plasmonic Security Labels Achieved by Shadow-Mask-Lithography-Assisted Self-Assembly. Advanced Materials 28 (12), 2330-2336 (2016)
  • Pascoe, AR.; Meyer, S.; Huang, WC.; Li, W.; Benesperi, I.; Duffy, NW.; Spiccia, L.; Bach, U.; Cheng, YB. Enhancing the Optoelectronic Performance of Perovskite Solar Cells via a Textured CH3NH3PbI3 Morphology. Advanced Functional Materials 26 (8), 1278-1285 (2016)
  • Jiang, YJ.; Almansouri, I.; Huang, SJ.; Young, T.; Li, Y.; Peng, Y.; Hou, QC.; Spiccia, L.; Bach, U.; Cheng, YB.; Greena, MA.; Ho-Baillie, A. Optical analysis of perovskite/silicon tandem solar cells. Journal Of Materials Chemistry C 4 (24), 5679-5689 (2016)
  • Jumabekov, AN.; Della Gaspera, E.; Xu, ZQ.; Chesman, ASR.; van Embden, J.; Bonke, SA.; Bao, Q.; Vak, D.; Bach, U. Back-contacted hybrid organic-inorganic perovskite solar cells. Journal Of Materials Chemistry C 4 (15), 3125-3130 (2016)
  • Highly Cited Publications
  • Daeneke, T.; Kwon, TH.; Holmes, AB.; Duffy, NW.; Bach, U.; Spiccia, L. High-efficiency dye-sensitized solar cells with ferrocene-based electrolytes. Nature Chemistry 3 (3), 211-215 (2011)
  • Nattestad, A.; Mozer, AJ.; Fischer, MKR.; Cheng, YB.; Mishra, A.; Bauerle, P.; Bach, U. Highly efficient photocathodes for dye-sensitized tandem solar cells. Nature Materials 9 (1), 31-35 (2010)
  • U. Bach, D. Lupo, P. Comte, J.E. Moser, F. Weissoertel, J. Salbeck, H. Spreitzer, M. Graetzel. Solid-state dye-sensitized mesoporous TiO2 solar cells with high photon-to-electron conversion efficiencies. Nature 395, 583-585 (1998) (See also News & Views)
  • Publication Highlights
  • Sepalage, GA.; Meyer, S.; Pascoe, A.; Scully, AD.; Huang, FZ.; Bach, U.; Cheng, YB.; Spiccia, L. Copper(I) Iodide as Hole-Conductor in Planar Perovskite Solar Cells: Probing the Origin of J-V Hysteresis. Advanced Functional Materials 25 (35), 5650-5661 (2015)
  • Bach, U. Brighter pieces of the puzzle. Nature Chemistry 7 (8), 616-617, (2015)
  • Della Gaspera, E.; Peng, Y.; Hou, QC.; Spiccia, L.; Bach, U.; Jasieniak, JJ.; Cheng, YB. Ultra-thin high efficiency semitransparent perovskite solar cells. Nano Energy 13, 249-257 (2015)
  • Huang, FZ.; Dkhissi, Y.; Huang, WC; Xiao, MD.; Benesperi, I.; Rubanov, S.; Zhu, Y.; Lin, XF.; Jiang, LC.; Zhou, YC.; Gray-Weale, A.; Etheridge, J.; McNeill, CR.; Caruso, RA.; Bach, U.; Spiccia, L.; Cheng, YB. Gas-assisted preparation of lead iodide perovskite films consisting of a monolayer of single crystalline grains for high efficiency planar solar cells. Nano Energy 10, 10-18 (2014)
  • Xiao MD.; Huang FZ.; Huang WC.; Dkhissi Y.; Zhu Y.; Etheridge J.; Gray-Weale A.; Bach U.; Cheng YB., Spiccia L. A Fast Deposition-Crystallization Procedure for Highly Efficient Lead Iodide Perovskite Thin-Film Solar Cells. Angewandte Chemie-International Edition 53 (37), 9898-9903 (2014)
  • Dong, CK.; Xiang, WC.; Huang, Fz.; Fu, DC.; Huang, WC.; Bach, U.; Cheng, YB.; Li, X.; Spiccia, L. Controlling Interfacial Recombination in Aqueous Dye-Sensitized Solar Cells by Octadecyltrichlorosilane Surface Treatment. Angewandte Chemie-International Edition 53 (27), 6933-6937 (2014)
  • Xu, Z.; Xiong, DH.; Wang, H.; Zhang, WJ.; Zeng, XW.; Ming, Lq.; Chen, W.; Xu, XB.; Cui, J.; Wang, MK.; Power, S.; Bach U.; Cheng, YB. Remarkable photocurrent of p-type dye-sensitized solar cell achieved by size controlled CuGaO2 nanoplates. Journal of Material Chemistry A 2 (9), 2968-2976 (2014)
  • Xiang, WC.; Huang, WC.; Bach, U.; Spiccia, L. Stable high efficiency dye-sensitized solar cells based on a cobalt polymer gel electrolyte. Chemical Communications 49 (79), 8997-8999 (2013)
  • Reineck, P.; Gomez, D.; Ng, SH.; Karg, M.; Bell, T.; Mulvaney, P.; Bach, U. Distance and Wavelength Dependent Quenching of Molecular Fluorescence by Au@SiO2 Core-Shell Nanoparticles. ACS Nano 7 (8), 6636-6648 (2013)
  • Singh, A.; Chang, SLY.; Hocking, RK.; Bach, U.; Spiccia, L. Highly active nickel oxide water oxidation catalysts deposited from molecular complexes. Energy & Environmental Science 6 (2), 579-586 (2013)
  • Powar, S.; Daeneke, T.; Ma, MT.; Fu, DC.; Duffy, NW.; Gotz G.; Weidelener, M.; Mishra, A.; Bauerle, P.; Spiccia, L.; Bach, U. Highly Efficient p-Type Dye-sensitized Solar Cells based on Tris(1,2-diaminoethane)Cobalt(II)/(III) Electrolytes. Angewandte Chemie-International Edition 52 (2), 602-605, (2013)
  • Xiang, WC.; Huang, FZ.; Cheng, YB.; Bach, U.; Spiccia, L. Aqueous dye-sensitized solar cell electrolytes based on the cobalt(II)/(III) tris(bipyridine) redox couple. Energy & Environmental Science 6 (1), 121-127 (2013)
  • Zheng, YH.; Thai, T.; Reineck, P.; Qui, L.; Guo, YM.; Bach, U. DNA-Directed Self-Assembly of Core-Satellite Plasmonic Nanostructures: A Highly Sensitive and Reproducible Near-IR SERS Sensor. Advanced Functional Materials 23 (12), 1519-1526 (2013)
  • Kashif, MK.; Axelson, JC.; Duffy, NW.; Forsyth, CM.; Chang, CJ.; Long, JR.; Spiccia, L.; Bach, U. A New Direction in Dye-Sensitized Solar Cells Redox Mediator Development: In Situ Fine-Tuning of the Cobalt(II)/(III) Redox Potential through Lewis Base Interactions. Journal of the American Chemical Society 134 (40), 16646-16653 (2012)
  • Reineck, P.; Lee, GP.; Brick, D.; Karg, M.; Mulvaney, P.; Bach, U. A Solid-State Plasmonic Solar Cell via Metal Nanoparticle Self-Assembly. Advanced Materials 24 (35), 4750-4755 (2012)
  • Perera, IR.; Daeneke, T.; Makuta, S.; Yu, Z.; Tachibana, Y.; Mishra, A.; Bauerle, P.; Ohlin, CA.; Bach, U.; Spiccia, L. Application of the Tris(acetylacetonato)iron(III)/(II) Redox Couple in p-Type Dye-Sensitized Solar Cells. Angewandte Chemie-International Edition 54 (12), 3758-3762 (2015)
  • Tong, L.; Iwase, A.; Nattestad, A.; Bach, U.; Weidelener, M.; Gotz, G.; Mishra, A.; Bauerle, P.; Amal, R.; Wallace, GG.; Mozer, AJ. Sustained solar hydrogen generation using a dye-sensitised NiO photocathode/BiVO4 tandem photo-electrochemical device. Energy & Environmental Science 5 (11), 9472-9475 (2012)
  • Kwon, TH.; Armel, V.; Nattestad, A.; MacFarlane, DR.; Bach, U.; Lind, SJ.; Gordon, KC.; Tang, WH.; Jones, DJ.; Holmes, AB. Dithienothiophene (DTT)-Based Dyes for Dye-Sensitized Solar Cells: Synthesis of 2,6-Dibromo-DTT. Journal of Organic Chemistry 76 (10), 4088-4093 (2011)
  • Zhang, XL.; Huang, FZ.; Nattestad, A.; Wang, K.; Fu, DC.; Mishra, A.; Bauerle, P.; Bach, U.; Cheng, YB. Enhanced open-circuit voltage of p-type DSC with highly crystalline NiO nanoparticles. Chemical Communications 47 (16), 4808-4810 (2011)
  • Zheng, YH.; Lalander, CH.; Thai, T.; Dhuey, S.; Cabrini, S.; Bach, U. Gutenberg-Style Printing of Self-Assembled Nanoparticle Arrays: Electrostatic Nanoparticle Immobilization and DNA-Mediated Transfer Angewandte Chemie-International Edition 50 (19), 4398-4402 (2011)
  • Dkhissi, Y.; Huang, FZ.; Rubanov, S.; Xiao, MD.; Bach, U.; Spiccia, L.; Caruso, RA.; Cheng, YB. Low temperature processing of flexible planar perovskite solar cells with efficiency over 10%. Journal Of Power Sources 278, 325-331 (2015)
  • Cappel, UB.; Daeneke, T.; Bach, U. Oxygen-Induced Doping of Spiro-MeOTAD in Solid-State Dye-Sensitized Solar Cells and Its Impact on Device Performance. Nano Letters 12 (9), 4925-4931 (2012)
  • Nattestad, A.; Zhang, XL.; Bach, U.; Cheng, YB. Dye-sensitized CuAlO2 photocathodes for tandem solar cell applications. Journal of Photonics for Energy 1 (2), 011103 (2011)
  • Fu, D.; Zhang, X.; Barber, R.; Bach, U. Back-Contact Dye-Sensitized Solar cells Advanced Materials 22 (38), (2010) (See also Nature Photonics Technology Focus) (Highlighted in NPG Nature Asia)
  • Thomson, S.; Duffy, N.; Bach, U.; Cheng, YB. On the role of the spacer layer in monolithic DSCs. Journal of Physical Chemistry C 114 (5), 2365 (2010)
  • Fredin, K.; Anderson, K.; Duffy, N.; Wilson, G.; Fell, C.; Christopher, H.; Hagberg, D.; Sun, L.; Bach, U.; Lindquist, SE. The Effect on Cell Efficiency Following Thermal Degradation of Dye-Sensitized Mesoporous Electrodes Using N719 and D5 Sensitizers. Journal of Physical Chemistry C 113 (43), 18902 (2009)
  • Lalander, C.; Zheng, Y.; Dhuey, S.; Cabrini, S.; Bach, U. DNA-Directed Self-Assembly of Gold Nanoparticles onto Nanopatterned Surfaces. ACS Nano 4 (10), 6153 (2010)
  • Zheng, Y.; Lalander, C.; Bach, U. Nanoscale force induced size-selective separation and self-assembly of metal nanoparticles: sharp colloidal stability thresholds and hcp ordering Chemical Communications 46 (42), 7963 (2010)
  • Han, HW.; Bach, U.; Cheng, YB.; Caruso, RA.; MacRae, C. A design for monolithic all-solid-state dye-sensitized solar cells with a platinized carbon counterelectrode. Applied Physics Letters 94 (10), 103102 (2009)
  • Burke, A.; Ito, S.; Snaith, H.; Bach, U.; Kwiatkowski, J.; Grätzel, M. The function of a TiO2 compact layer in dye-sensitized solar cells incorporating "Planar" organic dyes. Nano Letters 8 (4), 977-981 (2008)
  • Nattestad, A.; Ferguson, M.; Kerr, R.; Cheng, YB.; Bach, U. Dye-sensitized nickel(II)oxide photocathodes for tandem solar cell applications Nanotechnology 19, 295304 (2008)
  • Han, H.; Bach, U.; Cheng, YB.; Caruso, R. Increased Nanopore filling: Affect on monolithic all-solid-state dye-sensitized solar cells Applied Physics Letters 90 (21), 213510 (2007)
  • Schmidt-Mende, L.; Bach, U.; Humphry-Baker, R.; Horiuchi, T.; Miura, H.; Ito, S.; Uchida, S.; Grätzel, M. Organic dye for highly efficient solid-state dye-sensitized solar cells. Advanced Materials 17 (7), 813, (2005)
  • Ito, S.; Liska, P.; Comte, P.; Charvet, RL.; Pechy, P.; Bach, U.; Schmidt-Mende, L.; Zakeeruddin, SM.; Kay, A.; Nazeeruddin, MK.; Grätzel, M. Control of dark current in photoelectrochemical (TiO2/I--I-3(-)) and dye-sensitized solar cells. Chemical Communications 34, 4351-4353 (2005)
  • Corr, D.; Bach, U.; Fay, D.; Kinsella, M.; McAtamney, C.; OReilly, F.; Rao. SN.; Stobie, N. Coloured electrochromic paper-quality displays based on modified mesoporous electrodes. Solid State Ionics 165 (1-4), 315-321 (2003)
  • Bach, U.; Corr, D.; Lupo, D.; Pichot, F.; Ryan, M. Nanomaterials-based electrochromics for paper-quality displays. Advanced Materials 14 (11), 845-848 (2002) (Highlighted in Science, Editors Choice, 296, 1933 (2002)
  • Plass, R.; Pellet, S.; Krüger, J.; Grätzel, M.; Bach, U. Quantum Dot sensitization of organic-inorganic hybrid solar cells. Journal of Physical Chemistry B 106, 7578-7580 (2002)
  • Krüger, J.; Plass, R.; Cevey, L.; Piccirelli, M.; Grätzel, M.; Bach, U.High efficiency solid-state photovoltaic device due to inhibition of interface charge recombination. Applied Physics Letters 79 (13), 2085-2087 (2001)
  • Krüger, J.; Bach, U.; Grätzel, M. Modification of TiO2 heterojunctions with benzoic acid derivatives in hybrid solid-state devices Advanced Materials 12 (6), 447-451 (2000)
  • Bach, U.; DeCloedt, K.; Spreitzer, H.; Grätzel, M. Characterization of hole transport in a new class of spiro-linked oligotriphenylamine compounds. Advanced Materials 12 (14), 1060-1063 (2000)
  • Bach, U.; Tachibana, Y.; Moser, JE.; Haque, SA.; Klug, DR.; Grätzel, M.; Durrant, JR. Charge separation in solid-state dye-sensitized heterojunction solar cells. Journal of the American Chemical Society 121, 7445-7446 (1999)
  • Moser, JE.; Noukakis, D.; Bach, U.; Tachibana, Y.; Klug, DR.; Durrant, JR.; Humphry-Baker, R.; Grätzel, M. Comments on Measurements of ultrafast photoinduced electron transfer. Journal of Physical Chemistry B 102, 3649-3650 (1998)



- Dr Feng Li
- Dr Wei Li
- Dr Askhat Jumabekov
- Dr Lei Yang
- Dr Niraj Lal

PhD students under supervision

- Mr Soon Hock Ng
- Mr Julian Lloyd
- Miss Rebecca Milhuisen
- Mr Qicheng Hou
- Mr Linton Lin
- Mr Wenxin Mao
- Miss Dorota Bacal
- Miss Boer Tan

Research Interests:

  • Dye-sensitized Tandem Solar Cells
  • Back-Contact Dye-Sensitized Solar Cells
  • Novel Electrolytes for Dye-Sensitized Tandem Solar Cells
  • New infrared sensitizers for dye-sensitized solar cells
  • Size-selective separation of gold-nanoparticles
  • Templated placement of individual nanoparticles onto surface nanopatterns through DNA-directed self-assembly
  • Stamping of nanoparticle assemblies
  • DNA-Directed Nanofabrication