journal article·2024-02-07

Fine Tuning Ag(I)–Sb(III) Hybrid Iodides for Light Detection

Qian-Wen Li, Mohamed Saber Lassoued, Wei-Peng Chen, Gao-Yang Gou, Yan-Zhen Zheng

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Abstract

Lead-free hybrid double perovskite iodides (HDPIs) have piqued increasing research interest due to their environmental friendliness and high stability. However, such antimony-based HDPIs with strong photocurrent response are currently very limited. Here, we successfully design and construct five Ag(I)–Sb(III)-based HDPIs using two types of cyclic aliphatic amines as A-site templates. Interestingly, these Ag(I)–Sb(III) HDPIs exhibit relatively narrow band gaps, preferred orientation, and high stability after being processed into thin films on the indium tin oxide (ITO) substrate. Notably, under illuminations of a xenon lamp, all HDPIs exhibit considerable photocurrent responses, reaching a maximum difference of 17 μA·cm –2 for ASI 1, which is the highest among lead-free halogen-based organic–inorganic hybrid compounds to date. Combining the considerable photocurrents and the high stability, the optoelectronic applications of two-dimensional Ag(I)–Sb(III) HDPIs can be expected.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Gas Sensing Nanomaterials and Sensors · Luminescence Properties of Advanced Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Frontier Institute of Science and Technology (FIST), State Key Laboratory of Electrical Insulation and Power Equipment, MOE Key Laboratory for Nonequilibrium Synthesis of Condensed Matter, Xi’an Key Laboratory of Electronic Devices and Materials Chemistry and School of Chemistry, Xi’an Jiaotong University, Xi’an 710054, China

School of Chemistry, Xi’an Key Laboratory of Sustainable Energy and Materials Chemistry, Xi’an Jiaotong University, Xi’an, Shaanxi 710054, China

Funding

State Key Laboratory of Electrical Insulation and Power Equipment · Fundamental Research Funds for the Central Universities · National Natural Science Foundation of China · "Scientists + engineers" Team Building Project of Qin Chuang Yuan · First Affiliated Hospital of Xi'an Jiaotong University · Key Scientific and Technological Innovation Team of Shaanxi Province

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