Carl Hägglund
Universitetslektor vid Institutionen för materialvetenskap; Solcellsteknik
- Mobiltelefon:
- 073-101 40 36
- E-post:
- carl.hagglund@angstrom.uu.se
- Besöksadress:
- Ångströmlaboratoriet, Lägerhyddsvägen 1
- Postadress:
- Box 35
751 03 UPPSALA
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Kort presentation
Universitetslektor och docent med inriktning mot optik för solcellsmaterial, med speciellt fokus på ultratunna och resurseffektiva solceller.
Nyckelord
- atomic layer deposition
- block copolymer lithography
- finite element methods
- nano-optics
- nanotechnology
- photovoltaics
- plasmonic solar cells
- solar cells
- spectroscopic ellipsometry
- sustainable development
Biografi
Jag disputerade i fysik vid Chalmers Tekniska Högskola, med i första hand experimentellt arbete som fokuserade på plasmonik-solceller. Efter en del ytterligare teori och beräkningar på Chalmers arbetade jag som postdok vid Stanford University, där jag tillverkade och undersökte nya hög-absorberande nanostrukturer baserade på plasmonik. Jag har nu en tjänst som universitetslektor vid Uppsala universitet inom området optik för solcellsmaterial. Min forskning fokuserar på omvandling av solenergi med hjälp av (metall-) nanopartiklar och andra nanostrukturer. I min undervisning leder jag bland annat en doktorandkurs om Optisk karakterisering av tunna filmer och föreläser om koncentrator-solceller och koncentrerad solenergi.
Forskning
Forskningen fokuserar på användandet av nano-optik och nanoteknik i solceller, både inom relativt etablerade tunnfilmssolceller (CIGS, CZTS) och för nya typer av solceller (tennsulfid, perovskiter, kvantprickar).
Ett projekt, finansierat av vetenskapsrådet, utforskar kombinationer av plasmon-aktiva nanostrukturer och halvledarskikt skapade med atomlagerdeposition (ALD) för att realisera nya och mycket mer resurseffektiva solceller med ultratunna (nanometer-tjocka) absorptionsskikt.
I ett nytt spår, finansierat av Energimyndigheten och VR, studeras möjligheten att skapa bättre och billigare tandemsolceller med hjälp av nanoteknik. Nanofabricering är en viktig del av arbetet och görs företrädesvis med uppskalningsbara metoder baserade på självorganisation, såsom blocksampolymer-litografi. Optisk karakterisering med speciellt spektroskopisk ellipsometri, och numeriska beräkningar med hjälp av finita elementmetoden, är andra viktiga verktyg i arbetet mot att hitta nya, högeffektiva och ultimat resurssparande lösningar för omvandling av solenergi till el.
Publikationer
Senaste publikationer
- Precisely nanostructured HfO2 rear passivation layers for ultra-thin Cu(In,Ga)Se-2 (2022)
- Atomic Layer Deposition of SnO2 as an Electron Transport Material for Solid-State P-type Dye-Sensitized Solar Cells (2022)
- Multiscale Optical Modeling of Perovskite-Si Tandem Solar Cells (2022)
- Setup for dynamic Solvent Vapor Annealing (dSVA) - design, operation and performance evaluation (2022)
- Metal nanoparticle arrays via a water-based lift-off scheme using a block copolymer template (2022)
Alla publikationer
Artiklar
- Precisely nanostructured HfO2 rear passivation layers for ultra-thin Cu(In,Ga)Se-2 (2022)
- Atomic Layer Deposition of SnO2 as an Electron Transport Material for Solid-State P-type Dye-Sensitized Solar Cells (2022)
- Multiscale Optical Modeling of Perovskite-Si Tandem Solar Cells (2022)
- Metal nanoparticle arrays via a water-based lift-off scheme using a block copolymer template (2022)
- Substrate Effects on Crystal Phase in Atomic Layer Deposition of Tin Monosulfide (2021)
- Charge transport in phthalocyanine thin-film transistors coupled with Fabry-Perot cavities (2021)
- Process Window for Seeded Growth of Arrays of Quasi-Spherical Substrate-Supported Au Nanoparticles (2021)
- Ultrathin Solar Cells Based on Atomic Layer Deposition of Cubic versus Orthorhombic Tin Monosulfide (2021)
- Seeded Growth of Large-Area Arrays of Substrate Supported Au Nanoparticles Using Citrate and Hydrogen Peroxide (2020)
- Effect of NaF pre-cursor on alumina and hafnia rear contact passivation layers in ultra-thin Cu(In,Ga)Se2 solar cells (2019)
- Rear Contact Passivation for High Bandgap Cu(In,Ga)Se2 Solar Cells With a Flat Ga profile (2018)
- Highly photostable and efficient semitransparent quantum dot solar cells by using solution-phase ligand exchange (2018)
- 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 Monolayer Formation of Pyrenebutyric Acid on Graphene (2017)
- Dry-Deposited Transparent Carbon Nanotube Film as Front Electrode in Colloidal Quantum Dot Solar Cells (2017)
- Highly efficient, transparent and stable semitransparent colloidal quantum dot solar cells (2017)
- FTO-free top-illuminated colloidal quantum dot electro-optics in devices (2017)
- Scalable residue-free graphene for surface-enhanced Raman scattering (2016)
- Growth, intermixing, and surface phase formation for zinc tin oxide nanolaminates produced by atomic layer deposition (2016)
- Strong coupling of plasmon and nanocavity modes for dual-band, near-perfect absorbers and ultrathin photovoltaics (2016)
- Optical properties of reactively sputtered Cu2ZnSnS4 solar absorbers determined by spectroscopic ellipsometry and spectrophotometry (2016)
- Photoluminescence studies in epitaxial CZTSe thin films (2016)
- Electro-Optics of Colloidal Quantum Dot Solids for Thin-FilmSolar Cells (2016)
- Fine Tuned Nanolayered Metal/Metal Oxide Electrode for Semitransparent Colloidal Quantum Dot Solar Cells (2016)
- Interference effects in photoluminescence spectra of Cu2ZnSnS4 and Cu(In,Ga)Se2 thin films (2015)
- The effect of substrate temperature on atomic layer deposited zinc tin oxide (2015)
- High aspect ratio plasmonic nanocones for enhanced light absorption in ultrathin amorphous silicon films (2014)
- Thin film characterization of zinc tin oxide deposited by thermal atomic layer deposition (2014)
- Correlating growth characteristics in atomic layer deposition with precursor molecular structure: the case of zinc tin oxide (2014)
- Atomic layer deposition of CdO and CdxZn1−xO films (2013)
- Ultrathin light absorbers based on plasmonic nanocomposites (2013)
- Self-assembly based plasmonic arrays tuned by atomic layer deposition for extreme visible light absorption (2013)
- Portable atomic layer deposition reactor for in situ synchrotron photoemission studies (2013)
- Tin oxide atomic layer deposition from tetrakis(dimethylamino)tin and water (2013)
- Vapor transport deposition and epitaxy of orthorhombic SnS on glass and NaCl substrates (2013)
- Growth characteristics, material properties, and optical properties of zinc oxysulfide films deposited by atomic layer deposition (2012)
- Plasmonic near-field absorbers for ultrathin solar cells (2012)
- Thickness dependence of plasmonic charge carrier generation in ultrathin a-Si:H layers for solar cells (2011)
- Maximized optical absorption in ultrathin films and its application to plasmon-based two-dimensional photovoltaics (vol 10, pg 3135, 2010) (2011)
- Maximized optical absorption in ultrathin films and its application to plasmon-based two-dimensional photovoltaics (2010)
- Resource efficient plasmon-based 2D-photovoltaics with reflective support (2010)
- Nanoplasmonic biosensing with on-chip electrical detection (2010)
- High optical absorption in graphene
Konferenser
- Ultrathin photovoltaic absorbers of SnS (2019)
- ALD of phase controlled tin monosulfide thin films (2017)
- Rear contact passivation for high bandgap Cu(In,Ga)Se2 solar cells with varying absorber thickness and flat Ga profile (2017)
- Back Contact Passivation Effects in Bi-Facial Thin CIGS Solar Cells (2016)
- Surface-Enhanced Raman Scattering of Graphene with and without Residues (2015)
- Strongly coupled plasmon-nanocavity modes for broadband, near-field induced absorption in ultrathin semiconductor coatings (2015)
- Ultrathin metal-semiconductor nanocomposites as resource efficient light absorbers for photovoltaics (2014)
- Atomic layer deposition of thin film laminates and solid solutions – the case of zinc tin oxide (2013)
- Nanoparticle plasmon induced light absorption in ultrathin a-Si (2012)
- Bandgap engineering of ternary ZnOxS1-x CdxZn1-xO thin films via atomic layer deposition (2012)
- Cheap and Thin (2012)
- Graded and alloyed II-VI semiconductors for photovoltaic buffer layers grown by atomic layer deposition (ALD) (2011)
- Atomic Layer Deposition of Nanoscale Materials for Energy Conversion (2011)
- Optical response of 3D nano-architecture solar cells and integration with 3D device physics (2011)
Rapporter
- Setup for dynamic Solvent Vapor Annealing (dSVA) - design, operation and performance evaluation (2022)
- Guide to modeling a heterojunction solar cell using COMSOL Multiphysics (2019)