Abstract Adding potassium to Cu (In, Ga) Se 2 absorbers has been shown to enhance
photovoltaic power conversion efficiency. To illuminate possible mechanisms for this …

Ag10Te4Br3 is polymorphic with four polymorphs in the temperature range from 3 to 450 K.
It represents the first member of a formerly unseen class of materials featuring covalently …

Incorporation of K has led to world record Cu (In, Ga) Se 2 photovoltaic power conversion
efficiencies, but there is poor consensus about the role of phase impurities in these …

The efficiency of Cu (In, Ga) Se2 (CIGS)-based solar cells could be continuously increased
up to 22.6% by employing alkali metal dopants like Na, K, Rb, and Cs. The alkali metals are …

Electron and X-ray diffraction studies on the new compound K2In12Se19 indicate disorder
of one-dimensional units due to the existence of pronounced diffuse scattering. The diffuse …

TlIn 5 Se 8 has been synthesized by means of solid-state reaction and densified by Spark
Plasma Sintering. The compound is a semiconductor with a band gap of 1.62 eV estimated …

Chalcopyrites for Solar Cells: Chemical Vapor Deposition, Selenization, and Alloying Page
1 CHALCOPYRITES FOR SOLAR CELLS: CHEMICAL VAPOR DEPOSITION …

Films of Cu-K-In-Se were co-evaporated at varied K/(K+ Cu) compositions and substrate
temperatures (with constant (K+ Cu)/In~ 0.85). Increased Na composition on the substrate's …

Abstract Adding potassium to Cu (In, Ga) Se absorbers has been shown to enhance
photovoltaic power conversion efficiency. To illuminate possible mechanisms for this …

K2In12Se19 Page 1 K2In12Se19 Structure Types K2In12Se19 hR198 (148) R-3 – f10c3
K2In12Se19 [1] Structural features: InSe4 tetrahedra share edges and vertices to form a 3D-framework …