Abstract
Halide perovskites are a rapidly developing class of solution-processable semiconductors which, to date, have a huge impact across several scientific communities. The remarkable photophysical attributes of halide perovskites illustrate their considerable potential in the electrochemiluminescence (ECL) realm. Over the past 4 years, great progress has been achieved in using halide perovskites as ECL emitters. In this mini-review, the basic characteristics, synthetic approaches, and ECL mechanisms for halide perovskite emitters are first introduced. To the best of our knowledge, most of the reported ECL-active halide perovskites and their disclosed unique features are detailly summarized. Stabilization and interface manipulation strategies for desirable ECL performance are further highlighted. The preliminary halide perovskites-related ECL applications are finally discussed, and prospects are also anticipated.
Highlights
Electrochemiluminescence (ECL) is a light-emitting phenomenon arisen from electrochemical reactions between electrogenerated species in the vicinity of electrode
A recent review majors in the ECL performance of various PeNCs systems in either organic or aqueous media (Kong et al, 2020). In this mini-review, we present a detailed summary of the progress in using PeNCs as ECL emitters, which sketches the creative trajectory from the basic investigation of ECL-active PeNCs to the design strategies for desirable ECL property and resulting
ligand-assisted reprecipitation method (LARM) is performed under mild reaction conditions without heating and nitrogen protection, which begins by dissolving precursors (CsX and PbX2) in a “good” solvent (e.g., N, N-dimethylformamide, dimethylsulfoxide), and transferring into a “poor” antisolvent to reprecipitate NCs in the presence of ligands (Cao et al, 2020b)
Summary
State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China. Specialty section: This article was submitted to Inorganic Chemistry, a section of the journal Frontiers in Chemistry. The remarkable photophysical attributes of halide perovskites illustrate their considerable potential in the electrochemiluminescence (ECL) realm. Over the past 4 years, great progress has been achieved in using halide perovskites as ECL emitters. In this mini-review, the basic characteristics, synthetic approaches, and ECL mechanisms for halide perovskite emitters are first introduced. Stabilization and interface manipulation strategies for desirable ECL performance are further highlighted. The preliminary halide perovskites-related ECL applications are discussed, and prospects are anticipated
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