Abstract
Applications of self-driven optoelectronic devices based on a wide array of organolead halide perovskites.
Highlights
With the ongoing continuous advancement in the fields of the Internet of Things (IoT),[1,2,3] portable and wearable electronic devices,[4,5] structural monitoring,[6,7] and implantable medical devices,[8,9] the indispensable dependence of electronic devices and sensors on an external source of power poses a significant challenge
Presided by the United Nations sustainability development goals, as we look forward towards achieving modern, reliable, and cost-effective energy for all, solar energy harvesting is being considered as one of the most promising technologies for long-term renewable energy production.[19]
This review provides a detailed discussion of the mechanisms driving self-powered operation in OHLP based electronic devices of varying architecture and their associated figures of merit
Summary
With the ongoing continuous advancement in the fields of the Internet of Things (IoT),[1,2,3] portable and wearable electronic devices,[4,5] structural monitoring,[6,7] and implantable medical. By careful selection of the transport layers, PDs with effective dissociation and transport of photogenerated charge carriers to their respective counter electrode contacts can be fabricated.[46] ETLs influence the electron transfer and collection and behave as the hole blocking layer to suppress the electron–hole recombination at the interface.[47,48] Significant attention has been paid to ZnO as an electron transport material (ETL) in the early research works reporting OLHP based self-powered PDs. morphological tuning of ZnO material was used for the performance optimization of OLHP PDs. Initially, Wang et al coupled the pyroelectric effect generated in wurtzite ZnO nanowires (NWs) with the photoexcitation ability of MAPbI3.49 The assembly with well-aligned energy band levels led to enhanced charge-carrier separation at the ZnO/perovskite interface. The authors proposed that the Si-NPA template effectively enhanced carrier transport and reduced the collection path of the photogenerated carriers leading the self-driven PDs to exhibit a high on/off ratio of 8.2 Â 104, a photoresponsivity of 8.13 mA WÀ1, a specific detectivity of 9.74 Â 1012 Jones, and fast response speeds of 253.3/230.4 ms at zero bias under 780 nm light illumination.
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