All Inorganic Halide Perovskites Nanosystem: Synthesis, Structural Features, Optical Properties and Optoelectronic Applications

Abstract

The recent success of organometallic halide perovskites (OHPs) in photovoltaic devices has triggered lots of corresponding research and many perovskite analogues have been developed to look for devices with comparable performance but better stability. Upon the preparation of all inorganic halide perovskite nanocrystals (IHP NCs), research activities have soared due to their better stability, ultrahigh photoluminescence quantum yield (PL QY), and composition dependent luminescence covering the whole visible region with narrow line-width. They are expected to be promising materials for next generation lighting and display, and many other applications. Within two years, a lot of interesting results have been observed. Here, the synthesis of IHPs is reviewed, and their progresses in optoelectronic devices and optical applications, such as light-emitting diodes (LEDs), photodetectors (PDs), solar cells (SCs), and lasing, is presented. Information and recent understanding of their crystal structures and morphology modulations are addressed. Finally, a brief outlook is given, highlighting the presently main problems and their possible solutions and future development directions.

High-performance ultraviolet-visible tunable perovskite photodetector based on solar cell structure

“…The approximate trend of detectivity is similar to the responsivity. From the curves, we can note that the device with ZnO NAs annealed in vacuum shows the highest detectivity, which exceeds 10 14 cm Hz 1/2 W −1 at 450 nm and is comparable to that reported in other papers (see Table 2) [25][26][27].…”

Fully‐Inorganic Trihalide Perovskite Nanocrystals: A New Research Frontier of Optoelectronic Materials

“…Nevertheless, Yang's group found that the phase transforms from cubic to orthorhombic by increasing the inserted level of I − anions of CsPbBr 3−x I x NCs. [64,106,107] [107] indicating that CsPbBr 3−x I x QDs do not form a continuous solid solution over the entire composition range from 0 ≤ x ≤ 3.…”

“…[140] In order to hinder the degradation of CsPbX 3 QDs due to facile proton exchange between the oleate and amine surfactants, Sargent's group developed an amine-free synthetic strategy involving utilizing quaternary alkylammonium halide salts (tetraoctylammonium chloride, tetraoctylammonium bromide, and tetraoctylammonium iodide) as X − sources, which can enhance the colloidal stability against polar solvents during purification by capping them solely using OA. [64,110,142] In this case, the conventional coating technique to great extent cannot work efficiently. Although the fabrication could be performed in a nitrogen gas atmosphere, this issue is still a great challenge because the presence of oxygen is inevitable.…”

“…[22] Within such a short time, more than 140 papers related to CsPbX 3 and its analogue NCs have been presented (see Figure S1 in the Supporting Information). [64][65][66][67] Herein, we give a detailed overview of the current status of fully-inorganic trihalide perovskites NCs by concentrating on the following topics: (i) the common strategies for the fabrication and control over the morphology and size, (ii) the crystal structure and phase transition, (iii) the electrical and optical properties, (iv) stability issues, and (v) the related photovoltaic and optoelectronic applications including lighting, display, lasing, photovoltaics, and photon detection. [64][65][66][67] Herein, we give a detailed overview of the current status of fully-inorganic trihalide perovskites NCs by concentrating on the following topics: (i) the common strategies for the fabrication and control over the morphology and size, (ii) the crystal structure and phase transition, (iii) the electrical and optical properties, (iv) stability issues, and (v) the related photovoltaic and optoelectronic applications including lighting, display, lasing, photovoltaics, and photon detection.…”

Combination of solution-phase process and halide exchange for all-inorganic, highly stable CsPbBr3 perovskite nanowire photodetector

“…As a kind of more stable new perovskite materials, all-inorganic lead halide perovskites CsPbX 3 (X=I, Br, Cl) is considered to be the most suitable alternative of organic-inorganic perovskites. Recently, CsPbX 3 based optoelectronic devices have been widely reported in solar cells [10,11], light-emitting diodes (LEDs) [1, 12,13], photodetectors (PDs) [14][15][16][17][18] and other fields [19][20][21].…”