Tobias Törndahl
Senior Lecturer/Associate Professor at Department of Materials Science and Engineering; Solar Cell Technology
- Telephone:
- +46 18 471 72 50
- E-mail:
- tobias.torndahl@angstrom.uu.se
- Visiting address:
- Ångströmlaboratoriet, Lägerhyddsvägen 1
- Postal address:
- Box 35
751 03 UPPSALA
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Publications
Recent publications
- Properties of the Interface Between the Atomic Layer Grown Zinc-Tin-Oxide and Cu2ZnGeS4 Relevant for Kesterite Thin-Film Solar Cells (2024)
- Mitigation of Phase Separation in High Ga Cu(In,Ga)S2 Absorbers to Achieve ∼ 1 Volt 15.6% Power Conversion Efficiency (2023)
- Sn1-xGexOy and Zn1-xGexOy by Atomic Layer Deposition-Growth Dynamics, Film Properties, and Compositional Tuning for Charge Selective Transport in (Ag,Cu)(In,Ga)Se2 Solar Cells (2023)
- Silver Alloying in Highly Efficient CuGaSe2 Solar Cells with Different Buffer Layers (2023)
- Exploring Crystallization Phenomena in Al2TiO5-Based Chemical Vapor-Deposited Coatings by in Situ Transmission Electron Microscopy (2023)
All publications
Articles
- Properties of the Interface Between the Atomic Layer Grown Zinc-Tin-Oxide and Cu2ZnGeS4 Relevant for Kesterite Thin-Film Solar Cells (2024)
- Sn1-xGexOy and Zn1-xGexOy by Atomic Layer Deposition-Growth Dynamics, Film Properties, and Compositional Tuning for Charge Selective Transport in (Ag,Cu)(In,Ga)Se2 Solar Cells (2023)
- Silver Alloying in Highly Efficient CuGaSe2 Solar Cells with Different Buffer Layers (2023)
- Exploring Crystallization Phenomena in Al2TiO5-Based Chemical Vapor-Deposited Coatings by in Situ Transmission Electron Microscopy (2023)
- Role of Oxygen in Vacancy-Induced Phase Formation and Crystallization of Al2TiO5-Based Chemical Vapor-Deposited Coatings (2023)
- Nanometer-Thick ZnO/SnO2 Heterostructures Grown on Alumina for H2S Sensing (2022)
- Post‐deposition sulfurization of CuInSe2 solar absorbers by employing sacrificial CuInS2 precursor layers (2022)
- Atomic Layer Grown Zinc-Tin Oxide as an Alternative Buffer Layer for Cu2ZnSnS4-Based Thin Film Solar Cells (2022)
- Surface/Interface Effects by Alkali Postdeposition Treatments of (Ag,Cu)(In,Ga)Se2 Thin Film Solar Cells (2022)
- Record 1.1 V Open-Circuit Voltage for Cu2ZnGeS4-Based Thin-Film Solar Cells Using Atomic Layer Deposition Zn1-xSnxOy Buffer Layers (2022)
- Low temperature (Zn,Sn)O deposition for reducing interface open-circuit voltage deficit to achieve highly efficient Se-free Cu(In,Ga)S2 solar cells (2022)
- Circumventing Thermodynamic Constraints in Nucleation-Controlled Crystallization of Al2TiO5-Based Chemical Vapor Deposition Coatings (2022)
- SnOx Atomic Layer Deposition on Bare Perovskite (2021)
- Selective kinetic growth and role of local coordination in forming Al2TiO5-based coatings at lower temperatures (2021)
- Comparison of Sulfur Incorporation into CuInSe(2)and CuGaSe(2)Thin-Film Solar Absorbers (2020)
- Amorphous tin-gallium oxide buffer layers in (Ag,Cu)(In,Ga)Se2 solar cells (2020)
- Atomic Layer Deposition of Ternary Compounds on Cu(In,Ga)Se2 (2020)
- Passivation of CdS/Cu2ZnSnS4 Interface from Surface Treatments of Kesterite-Based Thin-Film Solar Cells (2020)
- Secondary phase formation and surface modification from a high dose KF-post deposition treatment of (Ag,Cu)(In,Ga)Se-2 solar cell absorbers (2019)
- Cadmium Free Cu2ZnSnS4 Solar Cells with 9.7% Efficiency (2019)
- Atomic layer deposition of amorphous tin-gallium oxide films (2019)
- Mechanistic Insights into Solid-State p-Type Dye-Sensitized Solar Cells (2019)
- Slow-muon study of quaternary solar-cell materials (2018)
- Deep surface Cu depletion induced by K in high-efficiency Cu(In,Ga)Se2 solar cell absorbers (2018)
- Effect of KF absorber treatment on the functionality of different transparent conductive oxide layers in CIGSe solar cells (2018)
- Bifacial Cu(In,Ga)Se2 solar cells using hydrogen‐doped In2O3 films as a transparent back contact (2018)
- Using hydrogen‐doped In2O3 films as a transparent back contact in (Ag,Cu)(In,Ga)Se2 solar cells (2018)
- Atomic layer deposition of Zn(O,S) buffer layers for Cu(In,Ga)Se2 solar cells with KF post-deposition treatment (2018)
- Recommended reading list of early publications on atomic layer deposition-Outcome of the "Virtual Project on the History of ALD" (2017)
- Atomic Layer Deposition of Cubic and Orthorhombic Phase Tin Monosulfide (2017)
- Zinc-Tin-Oxide Buffer Layer and Low Temperature Post Annealing Resulting in a 9.0% Efficient Cd-Free Cu2ZnSnS4 Solar Cell (2017)
- On the extraction of doping concentration from capacitance-voltage (2017)
- Atomic Layer Deposition of Electron Selective SnOx and ZnO Films on Mixed Halide Perovskite (2017)
- On the beneficial effect of Al2O3 front contact passivation in Cu(In,Ga)Se2 solar cells (2017)
- Evaluation of different intrinsic ZnO and transparent conducting oxide layer combinations in Cu(In,Ga)Se2 solar cells (2017)
- Record 1.0 V open-circuit voltage in wide band gap chalcopyrite solar cells (2017)
- CdS and Zn1-xSnxOy buffer layers for CIGS solar cells (2017)
- Cd and Cu Interdiffusion in Cu(In, Ga) Se-2/CdS Hetero-Interfaces (2017)
- Influence of CdS and ZnSnO Buffer Layers on the Photoluminescence of Cu(In,Ga)Se-2 Thin Films (2017)
- Direct comparison of atomic layer deposition and sputtering of In2O3:H used as transparent conductive oxide layer in CuIn1-xGaxSe2 thin film solar cells (2016)
- Potential gain in photocurrent generation for Cu(In,Ga)Se2 solar cells by using In2O3 as a transparent conductive oxide layer (2016)
- Atomic layer deposition of In2O3 transparent conductive oxide layers for application in Cu(In,Ga)Se2 solar cells with different buffer layers (2016)
- Deposition temperature induced conduction band changes in zinc tin oxide buffer layers for Cu(In,Ga)Se2 solar cells (2016)
- The effect of substrate temperature on atomic layer deposited zinc tin oxide (2015)
- Deposition of highly textured AlN thin films by reactive high power impulse magnetron sputtering (2015)
- Reduced interface recombination in Cu2ZnSnS4 solar cells with atomic layer deposition Zn1-xSnxO buffer layers (2015)
- Influence of Varying Cu Content on Growth and Performance of Ga-Graded Cu(In,Ga)Se-2 Solar Cells (2015)
- Zn(O,S) Buffer Layers and Thickness Variations of CdS Buffer for Cu2ZnSnS4 Solar Cells (2014)
- Dynamic parameter estimation of atomic layer deposition kinetics applied to in situ quartz crystal microbalance diagnostics (2014)
- Boron Doped diamond films as electron donors in photovoltaics (2014)
- Annealing behavior of reactively sputtered precursor films for Cu2ZnSnS4 solar cells (2013)
- A model-based methodology for the analysis and design of atomic layer deposition processes-Part III (2013)
- A model-based methodology for the analysis and design of atomic layer deposition processes—Part II (2013)
- The effect of Zn1−xSnxOy buffer layer thickness in 18.0% efficient Cd-free Cu(In,Ga)Se2 solar cells (2013)
- Inline Cu(In,Ga)Se-2 Co-evaporation for High-Efficiency Solar Cells and Modules (2013)
- The Influence of Absorber Thickness on Cu(In,Ga)Se-2 Solar Cells With Different Buffer Layers (2013)
- Surface engineering in Cu(In,Ga)Se2 solar cells (2013)
- Light-enhanced reverse breakdown in Cu(In,Ga)Se2 solar cells (2013)
- A model-based methodology for the analysis and design of atomic layer deposition processes—Part I (2012)
- Growth kinetics, properties, performance, and stability of atomic layer deposition Zn–Sn–O buffer layers for Cu(In,Ga)Se2 solar cells (2012)
- Soft X-ray characterization of Zn1-xSnxOy electronic structure for thin film photovoltaics (2012)
- Development of gallium gradients in three‐ stageCu(In,Ga)Se2 co‐evaporation processes (2012)
- Evaluation of Zn-Sn-O buffer layers for CuIn0.5Ga0.5Se2 solar cells (2011)
- Buffer layers and transparent conducting oxides for chalcopyrite Cu(In,Ga)(S,Se)(2) based thin film photovoltaics (2010)
- Improved fill factor and open circuit voltage by crystalline selenium at the Cu(In,Ga)Se-2/buffer layer interface in thin film solar cells (2010)
- CuGaSe2 solar cells using atomic layer deposited Zn(O,S) and (Zn,Mg)O buffer layers (2009)
- Reactively sputtered ZrN for application as reflecting back contact in Cu(In,Ga)Se-2 solar cells (2009)
- The effect of Zn1-xMgxO buffer layer deposition temperature on Cu(In,Ga)Se2 solar cells (2009)
- Influence of the N2 gas flow on optical and structural properties of reactively sputtered ZrN films (2008)
- Optimization of ALD-(Zn,Mg)O buffer layers and (Zn,Mg)O/Cu(In,Ga)Se-2 interfaces for thin film solar cells (2007)
- Atomic layer deposition of Zn1-xMgxO buffer layers for Cu(In,Ga)Se2 solar cells (2007)
- Strong valence-band offset bowing of ZnO1-xSx enhances p-type nitrogen doping of ZnO-like alloys (2006)
- Zn(O,S) buffer layers by atomic layer deposition in Cu(In,Ga)Se-2 based thin film solar cells (2006)
- Growth of Copper(I) Nitride by ALD Using Copper(II) Hexafluoroacetylacetonate, Water and Ammonia as Precursors (2006)
- Epitaxy of copper on α-Al2O3(0 0 1) by atomic layer deposition (2005)
- Growth of copper metal by atomic layer deposition using copper(I) chloride, water and hydrogen as precursors (2004)
- Copper nanoparticles deposited inside the pores of anodized aluminium oxide using atomic layer deposition (2003)
Chapters
- X-ray and Neutron Diffraction on Materials for Thin-Film Solar Cells (2016)
- X-ray and neutron diffraction on materials for thin film solar cells (2011)
Conferences
- Mitigation of Phase Separation in High Ga Cu(In,Ga)S2 Absorbers to Achieve ∼ 1 Volt 15.6% Power Conversion Efficiency (2023)
- Post Deposition Treatments of (Ag,Cu)(In,Ga)Se-2 Thin Films for Solar Cells (2019)
- Cu-depleted patches induced by presence of K during growth of CIGS absorbers (2017)
- ALD of Zn(O,S) buffer layers in KF post-deposition treated CIGS solar cells (2017)
- Influence of CdS and ZnxSn1-xOy Buffer Layers on the Photoluminescence of Cu(In,Ga)Se2 Thin Films (2016)
- Highly textured AlN thin films on Si by reactive High Power Impulse Magnetron Sputtering (2015)
- Magnetron sputtering of InGaZnO and ZnSnO amorphous oxide semiconductors (2015)
- Band gap engineering of ZnO for high efficiency CIGS based solar cells (2010)
- Growth and characterization of ZnO-based buffer layers for CIGS solar cells (2010)
- CuGaSe2 solar cells using atomic layer deposited Zn(O,S) and (Zn,Mg)O buffer layers (2008)
- Microstructural characterization of Zn1-XMgXO buffers layer in CIGS solar cells (2007)
- Optimization of i-ZnO window layers for Cu(In,Ga)Se2 solar cells with ALD buffers (2007)
- In-situ quartz crystal microbalance investigation of atomic layer deposition of Cu3N (2005)