{"title":"Wurtzite CuIn(S<sub><i>x</i></sub>Se<sub>1-<i>x</i></sub>)<sub>2</sub> Nanocrystals: Colloidal Synthesis and Band-Gap Engineering.","authors":"Bingqian Zu, Song Chen, Qiren Jin, Zilong Xu, Xudong Wu, Liang Wu","doi":"10.1021/acs.inorgchem.4c04140","DOIUrl":null,"url":null,"abstract":"<p><p>CuIn(S<sub><i>x</i></sub>Se<sub>1-<i>x</i></sub>)<sub>2</sub> nanocrystals as an emerging class of functional materials present huge potential for industrial applications; however, the synthesis of CuIn(S<sub><i>x</i></sub>Se<sub>1-<i>x</i></sub>)<sub>2</sub> nanocrystals remains a formidable challenge in achieving both tunable band gap and phase. Here, we reported a facile hot-injection method for synthesizing a family of wurtzite CuIn(S<sub><i>x</i></sub>Se<sub>1-<i>x</i></sub>)<sub>2</sub> nanocrystals, enabling manipulation of the S and Se contents across the entire compositional range (0 ≤ <i>x</i> ≤ 1). The obtained nanocrystals exhibit band gaps ranging from 1.21 to 1.58 eV, which vary depending on the S/Se ratios in the products. This approach can be readily extended to other scenarios involving chalcogenide nanomaterials, thereby facilitating the advancement of next-generation functional materials and applications.</p>","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":" ","pages":"21816-21821"},"PeriodicalIF":4.3000,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Inorganic Chemistry","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1021/acs.inorgchem.4c04140","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/11/1 0:00:00","PubModel":"Epub","JCR":"Q1","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}
引用次数: 0
Abstract
CuIn(SxSe1-x)2 nanocrystals as an emerging class of functional materials present huge potential for industrial applications; however, the synthesis of CuIn(SxSe1-x)2 nanocrystals remains a formidable challenge in achieving both tunable band gap and phase. Here, we reported a facile hot-injection method for synthesizing a family of wurtzite CuIn(SxSe1-x)2 nanocrystals, enabling manipulation of the S and Se contents across the entire compositional range (0 ≤ x ≤ 1). The obtained nanocrystals exhibit band gaps ranging from 1.21 to 1.58 eV, which vary depending on the S/Se ratios in the products. This approach can be readily extended to other scenarios involving chalcogenide nanomaterials, thereby facilitating the advancement of next-generation functional materials and applications.
CuIn（SxSe1-x）2 纳米晶体是一类新兴的功能材料，具有巨大的工业应用潜力；然而，CuIn（SxSe1-x）2 纳米晶体的合成在实现可调带隙和相位方面仍然是一项艰巨的挑战。在此，我们报告了一种简便的热注入法，用于合成一系列钝方晶系的 CuIn(SxSe1-x)2 纳米晶体，可在整个组成范围（0 ≤ x ≤ 1）内操纵 S 和 Se 的含量。获得的纳米晶体显示出 1.21 至 1.58 eV 的带隙，其变化取决于产品中的 S/Se 比率。这种方法可以很容易地扩展到涉及铬化纳米材料的其他情况，从而促进下一代功能材料和应用的发展。
期刊介绍：
Inorganic Chemistry publishes fundamental studies in all phases of inorganic chemistry. Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid-state phenomena, and chemical bonding theory. Emphasis is placed on the synthesis, structure, thermodynamics, reactivity, spectroscopy, and bonding properties of significant new and known compounds.
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