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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Alloys and Compounds for Thermoelectric and Solar Cell Applications XI
Presentation Title Enhancing the SnS-Based Solar Cells by Crystallographic Orientation Engineering and Interfacial Band Alignment Using an Eco-friendly Zinc-Tin-Oxide Buffer Layer
Author(s) Li-Chyong Chen, Thi-Thong Ho, Zi-Liang Yang, Fang-Yu Fu, Efat Jokar, Shaham Quadir, Kuei-Hsien Chen
On-Site Speaker (Planned) Li-Chyong Chen
Abstract Scope Tin monosulfide (SnS) is a promising light-harvesting material for environmental-friendly earth-abundant photovoltaics. However, SnS exhibits orthorhombic structure with a highly anisotropic charge transport behavior. Tailoring the crystallographic orientation of the SnS absorber layer plays a critical role in enhancing the transfer of charge carriers and the power conversion efficiency. Moreover, the energy band alignment between SnS and buffer layer remains the key concern in achieving highly efficient SnS-based solar cells. Herein, we demonstrate a facile method of controlling crystal growth orientation and the great potential of a zinc-tin-oxide (ZTO) buffer layer to achieve suitable band alignment at the SnS/buffer layer interface. Particularly, the influence of the Zn-to-Sn ratio in ZTO on cell performance was systematically investigated. The determination of band offsets in the heterostructures by using X-ray photoelectron spectroscopy and cross-sectional scanning tunneling microscopy proved that the appropriate heterojunction was successfully formed with the ZTO with 18% Sn content.
Proceedings Inclusion? Planned:
Keywords Electronic Materials, Energy Conversion and Storage, Thin Films and Interfaces

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Robust Thermoelectric Module Based on MgAgSb/Mg3(Sb,Bi)2 with a Conversion Efficiency of 8.5% and a Maximum Cooling of 72 K
A Tentative of an Initial Materials Specification of the Process Influence on Sulfide-based Ceramics for Enhancing their Thermoelectric Performances
Bi2Te3 Based Compounds Made via Mechanical Alloying: Defect Chemistry and Phase Diagram
C-1: Compositional Modification Improves the Thermoelectric Performance of AgSbTe2
C-2: Eliciting Promising p-type Bi2Te3 with Sizeable Thermoelectric Performances
C-3: Interfacial Reactions in Cu/Se, Cu2Se/Te and Cu2Te/Se Couples
C-4: Liquid-like Copper Ionic and Multiscale Crystal Imperfections Eliciting Record-High Thermoelectric zT in n-type Bi2Te3
C-5: Low Crystallinity Cu-Te-S Compounds Elicit Ultralow Lattice Thermal Conductivity in GeTe Thermoelectric Materials
C-6: Minor Cu Addition in β-Zn4Sb3 Leads to High Thermoelectric Performance via Phase Diagram Engineering
Carrier Concentration Adjustment and Texturation Processing on Thermoelectric Silicide
Cluster-Based Molybdenum Chalcogenide Compounds for Thermoelectricity. Dream or Reality? A (Partial) Answer from Theory
Concluding Maximum Solubility Using Impurity Phase Stoichiometry
Crystal Structure, Phase Stability, and Thermoelectric Properties of Medium-Temperature IV-VI Thermoelectric Materials
Doping as a Tuning Mechanism for Magneto-thermoelectric Effects to Improve zT in Weyl Semimetals
Effect of Interfacial Stability of Bi2Te3 Thin Film Modules on Thermoelectric Property
Effects of Doping Element Addition on Phase Equilibria and Mg2Si–Mg2Sn Two-phase Microstructure Formation in Thermoelectric Mg2(Si, Sn)-based Alloys
Enhanced Mechanical Properties of Ti-rich Medium Entropy Alloys via Phase Diagram Engineering
Enhanced Thermoelectric Performance by Compositional Modulation in AgSbTe2
Enhancement of Phonon Scattering in Thermoelectric Half-Heusler Compounds by Non-equilibrium Synthesis
Enhancing the SnS-Based Solar Cells by Crystallographic Orientation Engineering and Interfacial Band Alignment Using an Eco-friendly Zinc-Tin-Oxide Buffer Layer
Full-Heusler Compounds: Unconfined Prospects for Tuning Thermoelectricity
In-situ Creep Deformation Electrical Conductivity Measurement of I-doped PbTe
Influence of Connectivities and Length Scales of Eutectic Alloys on Thermoelectric Properties
Interface and Grain Boundary Effects on Thermal and Electrical Transport
Leveraging Additive Manufacturing to Tailor Thermoelectric Device Configuration, Leg Shape, and Transport Properties
Manipulation of Bi-doping of Polycrystalline Ni-Mn-Ga and Fabrication of Grain Particles for Smart Ni-Mn-Ga/polymer Composites
Mg2Sn Epitaxial Thin Film for Thermoelectric Application
Mixing Amorphous and Crystalline Structures for High Performance n-type Bi2Te3 Thermoelectrics
Modulating Doping Concentration via Thermodynamic Approach for High-Performance p-type Bi2Te3 Thermoelectrics
Novel Mechanisms to Lower Thermal Conductivity and Enhance ZT
Order-disorder Transitions in Zr-doped NbCoSn Heusler Alloys Enable Tunable n-p Transitions
Phase Diagram of Ternary Zn-Sb-Cu System and Thermoelectric Properties of Copper Doped Zn4Sb3
Phase Diagrams of the Ag-Cu-Se-Te Quaternary System
Redissolution of Ge precipitates Boosts Thermoelectric Performance and Self-tunes the Carrier Concentration in Homogenous GeTe materials
Shapes of Phase Boundaries in Isothermal Phase Diagrams
Spin-mediated Thermal Transport in Low-dimensional Quantum Magnets
Stability Study of Cesium-based Triple Cation Perovskite Solar Cells in Elevated Environmental Ambients
Thermoelectric Effect Under Photon Excitation: A Connector between Thermoelectrics and Photovoltaics
Thermoelectric Modules Based on Thin Films for Localized Heat Harvesting
Unexpected Reactions Observed in Ni/SnSe2 Couples
Young Leaders International Scholar – JIM: Discovery of Triple Half-Heusler with Low Thermal Conductivity

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