A reliable optical method for in situ process control for deposition of Cu(In,Ga)Se 2 thin layers for photovoltaics

Amorphous oxides as electron transport layers in Cu(In,Ga)Se2 superstrate devices

Analysis of defects in coevaporated high-efficiency Cu(In,Ga)Se2 solar cells

Aspects for the optimization of CIGSe growth at low temperatures for application in thin film solar cells on polyimide foil

Assessment of a W:BiVO4-CuBi2O4Tandem Photoelectrochemical Cell for Overall Solar Water Splitting

scientific article published on 10 March 2020

Beyond Bulk Lifetimes: Insights into Lead Halide Perovskite Films from Time-Resolved Photoluminescence

Chalcopyrite Thin-Film Materials and Solar Cells

Characterization of metastabilities in Cu(In,Ga)Se2 thin-film solar cells by capacitance and current-voltage spectroscopy

Charge carrier dynamics in Cu 2 ZnSn(S/Se) 4 thin film solar cells measured by time resolved terahertz and microwave spectroscopy

Charge carrier mobilities and dynamics in thin film compound semiconductor materials from transient Thz absorption

article

Chemistry and Dynamics of Ge in Kesterite: Toward Band-Gap-Graded Absorbers

Cliff-like conduction band offset and KCN-induced recombination barrier enhancement at the CdS/Cu2ZnSnS4 thin-film solar cell heterojunction

Co-evaporated CuInSe 2 : Influence of growth temperature and Na on solar cell performance

Coevaporation of CZTS Films and Solar Cells

Combined Raman scattering/photoluminescence analysis of Cu(In,Ga)Se2 electrodeposited layers

Combined electron backscatter diffraction and cathodoluminescence measurements on CuInS2/Mo/glass stacks and CuInS2 thin-film solar cells

Compositional Gradients in Cu(In,Ga)Se$_{\bf 2}$ Thin Films for Solar Cells and Their Effects on Structural Defects

article

Compositional and electrical properties of line and planar defects in Cu(In,Ga)Se2thin films for solar cells - a review

article

Compositional dependence of charge carrier transport in kesterite Cu2ZnSnS4solar cells

article

Compositionally tunable photoluminescence emission in Cu2ZnSn(S(1-x)Se(x))4 nanocrystals

scientific article published on 18 June 2013

Conductivity transients in C60 fullerene thin films

Confined and Chemically Flexible Grain Boundaries in Polycrystalline Compound Semiconductors

Correlation between composition and photovoltaic properties of Cu 2 ZnSnS 4 thin film solar cells

article

Correlations of Cu(In, Ga)Se2 imaging with device performance, defects, and microstructural properties

Cu 2 ZnSnS 4 -based thin films and solar cells by rapid thermal annealing processing

Cu 2 ZnSnS 4 thin-film solar cell absorber composition revealed by energy-dispersive and soft x-ray emission spectroscopy

article

Cu(In,Ga)Se2superstrate solar cells: prospects and limitations

article published in 2014

Cu2ZnSnS4 thin film solar cells by fast coevaporation

Cu2ZnSnS4 thin-film solar cell absorbers illuminated by soft x-rays

Deep Defects inCu2ZnSn(S,Se)4Solar Cells with Varying Se Content

Deep defect structure and carrier dynamics in amorphous silicon and silicon-germanium alloys determined by transient photocapacitance methods

scholarly article by J. David Cohen et al published January 1992 in Journal of Non-Crystalline Solids

Defect study of Cu2ZnSn(SxSe1−x)4 thin film absorbers using photoluminescence and modulated surface photovoltage spectroscopy

article published in 2015

Defects in Cu 2 ZnSn(S,Se) 4 solar cells studied by photoluminescence, admittance and IVT

Density of states and carrier dynamics in amorphous silicon germanium alloys and amorphous germanium

scholarly article by Thomas Unold et al published January 1991 in Journal of Non-Crystalline Solids

Depth distribution of secondary phases in kesterite Cu2ZnSnS4 by angle-resolved X-ray absorption spectroscopy

Depth profiling of Cu(In,Ga)Se2 thin films grown at low temperatures

Design of domain size and molecular interactions in organic semiconductors to control the emission yield of thin films

Determination of secondary phases in kesterite Cu2ZnSnS4 thin films by x-ray absorption near edge structure analysis

Direct insight into grain boundary reconstruction in polycrystalline Cu(In,Ga)SE2 with atomic resolution

scientific article published on 15 February 2012

Doping induced structural changes in CuInS2thin films and the effects on optical and electrical properties

Earth abundant thin film solar cells from co-evaporated Cu 2 SnS 3 absorber layers

Effect of Na presence during CuInSe2 growth on stacking fault annihilation and electronic properties

Effect of Zn and Mg doping on CuInS thin films and solar cells

Effect of Zn incorporation into CuInS2 solar cell absorbers on microstructural and electrical properties

Effect of carbon impurities on the density of states and the stability of hydrogenated amorphous silicon

scientific article published on 01 December 1994

Effect of compositional gradients on structural defects in Cu(In, Ga)Se 2 thin films for solar cells

article

Effect of copper-deficiency on multi-stage co-evaporated Cu(In,Ga)S2 absorber layers and solar cells

Effect of precursor stacking order and sulfurization temperature on compositional homogeneity of CZTS thin films

article

Effect of sodium on material and device quality in low temperature deposited Cu(In,Ga)Se2

Effects of Disorder on Carrier Transport inCu2SnS3

Effects of Thermochemical Treatment on CuSbS2 Photovoltaic Absorber Quality and Solar Cell Reproducibility

Effects of Ti-incorporation in CuInS2 solar cells

Efficient CuInS2 solar cells by reactive magnetron sputtering

Electron backscatter diffraction: Exploring the microstructure in Cu(In,Ga)(S,Se) 2 and CdTe thin-film solar cells

Electron-beam-induced current at absorber back surfaces of Cu(In,Ga)Se2 thin-film solar cells

Electronic mobility gap structure and deep defects in amorphous silicon‐germanium alloys

article

Electronic mobility gap structure and the nature of deep defects in amorphous silicon-germanium alloys grown by photo-CVD

article

Electronic properties of microcrystalline SiGe-thin films by Hall-experiments and photo- and dark-transport

Electronic structure of Cu2ZnSnS4probed by soft x-ray emission and absorption spectroscopy

scholarly article in Physical Review B, vol. 84 no. 3, July 2011

Emission limited filling of deep defects in transient capacitance experiments

Enhancement of light‐induced degradation in hydrogenated amorphous silicon due to carbon impurities

article published in 1991

Erratum: Sudden stress relaxation in compound semiconductor thin films triggered by secondary phase segregation [Phys. Rev. B 92, 155310 (2015)]

scholarly article published in Physical Review B

Evolution of opto-electronic properties during film formation of complex semiconductors

scientific article published on 4 April 2017

Experimental indication for band gap widening of chalcopyrite solar cell absorbers after potassium fluoride treatment

article published in 2014

Femtosecond near-field spectroscopy of single quantum dots

Fine-Tuning the Sn Content in CZTSSe Thin Films to Achieve 10.8% Solar Cell Efficiency from Spray-Deposited Water-Ethanol-Based Colloidal Inks

article published in 2015

Formation of CuInSe2and CuGaSe2Thin-Films Deposited by Three-Stage Thermal Co-Evaporation: A Real-Time X-Ray Diffraction and Fluorescence Study

Free-to-bound recombination in near stoichiometric Cu2ZnSnS4single crystals

article by S. Levcenko et al published 18 July 2012 in Physical Review B

Gallium gradients in Cu(In,Ga)Se2thin-film solar cells

article published in 2014

Generalized current-voltage analysis and efficiency limitations in non-ideal solar cells: Case of Cu2ZnSn(SxSe1−x)4and Cu2Zn(SnyGe1−y)(SxSe1−x)4

article published in 2014

Generation-dependent charge carrier transport in Cu(In,Ga)Se2/CdS/ZnO thin-film solar-cells

Grain-boundary types in chalcopyrite-type thin films and their correlations with film texture and electrical properties

High efficiency low temperature grown Cu(In,Ga)Se2 thin film solar cells on flexible substrates using NaF precursor layers

Identification of Impurity Phases in Cu2ZnSnS4 Thin-film Solar Cell Absorber Material by Soft X-ray Absorption Spectroscopy

Identifying the Real Minority Carrier Lifetime in Nonideal Semiconductors: A Case Study of Kesterite Materials

Imaging characterization techniques applied to Cu(In,Ga)Se2 solar cells

Impact of KCN etching on the chemical and electronic surface structure of Cu2ZnSnS4 thin-film solar cell absorbers

Impact of sodium on the device characteristics of low temperature-deposited Cu(In,Ga)Se 2 -solar cells

Impact of the Ga concentration on the microstructure of CuIn1–xGaxSe2

article published in 2008

Improved performance of Ge-alloyed CZTGeSSe thin-film solar cells through control of elemental losses

In Situ Monitoring of Cu2ZnSnS4 Absorber Formation With Raman Spectroscopy During Mo/Cu2SnS3/ZnS Thin-Film Stack Annealing

In SituReal-Time Characterization of Thin-Film Growth

In-situ XRD on formation reactions of Cu2ZnSnS4thin films

In-situ monitoring of rapid thermal processes (RTP) OF CU(IN,GA)(S,SE) 2 by optical methods

Increased homogeneity and open-circuit voltage of Cu(In,Ga)Se2 solar cells due to higher deposition temperature

article published in 2011

Influence of Na on Cu(In,Ga)Se2 solar cells grown on polyimide substrates at low temperature: Impact on the Cu(In,Ga)Se2/Mo interface

Influence of grain boundaries on current collection in Cu(In,Ga)Se2 thin-film solar cells

Influence of iron on defect concentrations and device performance for Cu(In,Ga)Se2 solar cells on stainless steel substrates

Influence of structure geometry on THz emission from Black Silicon surfaces fabricated by reactive ion etching.

scientific article

Interference effects in photoluminescence spectra of Cu2ZnSnS4 and Cu(In,Ga)Se2 thin films

Interpretation of admittance, capacitance-voltage, and current-voltage signatures in Cu(In,Ga)Se2 thin film solar cells

article published in 2010

Intragrain charge transport in kesterite thin films—Limits arising from carrier localization

Investigating subsurface damages in semiconductor-insulator-semiconductor solar cells with THz spectroscopy

Investigation of Cu-poor and Cu-rich Cu(In,Ga)Se 2 /CdS interfaces using hard X-ray photoelectron spectroscopy

Investigation of coevaporated Cu(In,Ga)Se2 thin films in highly efficient solar cell devices

Investigation of the SnS/Cu2ZnSnS4 Interfaces in Kesterite Thin-Film Solar Cells

Investigation of the Sub-Bandgap Photoresponse in CuGaS2 : Fe for Intermediate Band Solar Cells

Investigation of the potassium fluoride post deposition treatment on the CIGSe/CdS interface using hard X-ray photoemission spectroscopy - a comparative study

scientific article published on 10 May 2016

Investigations of the main loss mechanisms in Cu2ZnSn(S,Se)4 solar cells spray-coated from water-ethanol based ink: Reducing the density of defects to reach efficiencies close to 10%

Junction formation by Zn(O,S) sputtering yields CIGSe-based cells with efficiencies exceeding 18%

Local growth of CuInSe 2 micro solar cells for concentrator application

Locally resolved investigation of wedged Cu(In,Ga)Se 2 films prepared by physical vapor deposition using hard X-ray photoelectron and X-ray fluorescence spectroscopy

Measurement of charge carrier mobilities in thin films on metal substrates by reflection time resolved terahertz spectroscopy

scientific article published in July 2017

Metal acetate based synthesis of small-sized Cu2ZnSnS4 nanocrystals: effect of injection temperature and synthesis time

scholarly article in RSC Advances, vol. 7 no. 19, 2017

Microscopic mobilities and cooling dynamics of photoexcited carriers in polycrystalline CuInSe2

article

Microscopic origins of performance losses in highly efficient Cu(In,Ga)Se2 thin-film solar cells

scientific article published on 21 August 2020

Minority and Majority Charge Carrier Mobility in CuZnSnSe revealed by Terahertz Spectroscopy

scientific article published in Scientific Reports

Mixtures of Dopant-Free Spiro-OMeTAD and Water-Free PEDOT as a Passivating Hole Contact in Perovskite Solar Cells

scientific article published on 22 February 2019

Monitoring Charge Carrier Diffusion across a Perovskite Film with Transient Absorption Spectroscopy

scientific article published on 02 January 2020

Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction

scientific article published on 01 December 2020

Nanometer-scale electronic and microstructural properties of grain boundaries in Cu(In,Ga)Se2

Native oxidation and Cu-poor surface structure of thin film Cu2ZnSnS4 solar cell absorbers

Nonconventional (Non-Silicon-Based) Photovoltaic Materials

Numerical simulation of cross section electron-beam induced current in thin-film solar-cells for low and high injection conditions

Optical Stark effect in a quantum dot: ultrafast control of single exciton polarizations

scientific article published on 16 April 2004

Optical control of excitons in a pair of quantum dots coupled by the dipole-dipole interaction.

scientific article published on 8 April 2005

Optical methodology for process monitoring of chalcopyrite photovoltaic technologies: Application to low cost Cu(In,Ga)(S,Se)2 electrodeposition based processes

Optical, Structural and Electronic Properties of CuInS2 Solar Cells Deposited by Reactive Magnetron Sputtering

Origin of defects in CuIn1−xGaxSe2 solar cells with varied Ga content

Origins of electrostatic potential wells at dislocations in polycrystalline Cu(In,Ga)Se2 thin films

Overcoming the V oc limitation of CZTSe solar cells

Oxygen deficiency and Sn doping of amorphous Ga2O3

Phase-transition-driven growth of compound semiconductor crystals from ordered metastable nanorods.

scientific article

Phonon confinement and strain in CuInS2

Photochemically Driven Modulated Charge Transfer at Local Contacts between CH3NH3PbI3 and Carboxylated Multiwalled Carbon Nanotubes

Photoluminescence Analysis of Thin-Film Solar Cells

Photoluminescence Analysis of Thin-Film Solar Cells

Photoluminescence studies of a-Si:H/c-Si-heterojunction solar cells

Phototransistor effects in Cu(In,Ga)Se2 solar cells

Porous thin films grown from size-selected silicon nanocrystals

Quantitative PL imaging of thin film solar cells — Potential and pitfalls

article published in 2016

Radiative recombination from localized states in CZT(S, Se) investigated by combined PL and TRPL at low temperatures

Raman spectroscopy study on in-situ monitoring of Cu2ZnSnS4 synthesis

Reaktives Magnetronsputtern von Dünnschichtsolarzellen

Real-time observation of Cu2ZnSn(S,Se)4 solar cell absorber layer formation from nanoparticle precursors

scientific article published in November 2013

Secondary phases and their influence on the composition of the kesterite phase in CZTS and CZTSe thin films

scientific article published on 31 May 2016

Self-organization of crystalline domains in originally amorphous perylene diimide films

Slot-Die Coated Triple-Halide Perovskites for Efficient and Scalable Perovskite/Silicon Tandem Solar Cells

scientific article published in 2022

Soft X-rays shedding light on thin-film solar cell surfaces and interfaces

Space and time resolved coherent optical spectroscopy of single quantum dots

Spatially resolved photoluminescence measurements on Cu(In,Ga)Se2 thin films

article published in 2002

Structural investigations of copper incorporation into In-Ga-Se precursor layers for Cu(In,Ga)Se2thin films

Structural memory model of slow defect relaxation in hydrogenated amorphous silicon

Sudden stress relaxation in compound semiconductor thin films triggered by secondary phase segregation

scholarly article in Physical Review B, vol. 92 no. 15, October 2015

Synthesis and Characterization of V-Doped β-In2S3 Thin Films on FTO Substrates

Temperature dependency of Cu/Zn ordering in CZTSe kesterites determined by anomalous diffraction

Temperature- and intensity-dependent photovoltaic measurements to identify dominant recombination pathways

The Doping Mechanism of Halide Perovskite Unveiled by Alkaline Earth Metals

scientific article published on 24 January 2020

The Importance of Sodium Control in CIGSe Superstrate Solar Cells

The carbon impurity dependence of light induced metastable effects in hydrogenated amorphous silicon

The effect of NaF precursors on low temperature growth of CIGS thin film solar cells on polyimide substrates

The effects of impurities on the light-induced degradation of hydrogenated amorphous silicon

The influence of Na on low temperature growth of CIGS thin film solar cells on polyimide substrates

The role of interparticle heterogeneities in the selenization pathway of Cu–Zn–Sn–S nanoparticle thin films: a real-time study

Time resolved photoluminescence on Cu(In, Ga)Se2 absorbers: Distinguishing degradation and trap states

Trade-Offs in Thin Film Solar Cells with Layered Chalcostibite Photovoltaic Absorbers

Ultrafast coherent spectroscopy of single semiconductor quantum dots (Invited Paper)

article

Water Adsorption Enhances Electrical Conductivity in Transparent P-Type CuI

scientific article published on 15 October 2020