Metal Chalcogenides (M_xE_y; E = S, Se, and Te) as Counter Electrodes for Dye–Sensitized Solar Cells: An Overview and Guidelines

Abstract

Figure 9. a) Schematic of electron transfer mechanism in CdSe QD cosensitized TiO 2 /CdSe QD/N719 DSSC. b) J-V characteristics of DSSC based on TiO 2 -N719 and TiO 2 /CdSe QD/N719 photoanodes. Reproduced with permission. [223] Copyright 2020, Elsevier.

Recent advances in solution assisted synthesis of transition metal chalcogenides for photo-electrocatalytic hydrogen evolution

“…The formation of multinary transition metal chalcogenide introduces some unique properties different from those of binary compounds while retaining inherent properties. 143,144 Various methods, such as hydrothermal, [145][146][147] ion-exchange, 148 and colloidal methods, 108,149 have been employed for the synthesis of tertiary and quaternary chalcogenides. ZnCdS is a typical example of the cost-effective production of efficient multinary transition metal chalcogenides for the hydrogen evolution reaction.…”

Enhancement of the triiodide reduction reaction by doping molybdenum in NiSe hierarchical microspheres: a theoretical and experimental study

“…[11][12][13][14][15] From the perspective of redu-cing cost and achieving a satisfactory PCE, developing costeffective CE catalysts is indispensable as the main function of the CE is to collect electrons from the external circuit and then catalyse I 3 − to I − . [16][17][18] Although enormous efforts have been made to improve the activity of catalysts for future large-scale application, appropriate materials with excellent catalytic activity, fast charge-transfer capability, and satisfactory electrochemical stability are still needed for design by a mature and reliable strategy. [19][20][21][22] It is common knowledge that noble Pt has been regarded as the most representative CE material in DSSCs, however its fatal drawbacks cannot be ignored.…”

Hierarchical pompon-like cobalt phosphide as a platinum-free electrocatalyst for dye-sensitized solar cells

“…Accordingly, the assembly of low-dimensional (0D, 1D, or 2D) electrocatalysts has been reported as an efficient approach to afford a hierarchical structure, and thereby to further enhance the overall electrochemical performance. For instance, the particles having hierarchical structures, including nanoparticledecorated-rod (0D-to-1D), 6,7,17,18 nanoparticle-decorated-sheet (0Dto-2D), 19 nanoparticle-decorated-rock (0D-to-3D), 20,21 rod-decoratedrod (1D-to-1D), 17,22 rod-decorated-sheet (1D-to-2D), 23,24 and roddecorated-rock (1D-to-3D) 25,26 , would most likely provide better electrochemical activities than those particles having a single structure.…”