外文翻譯---對用高溫高壓連續(xù)流微反應(yīng)合成磷化銦納米晶體的研究-文庫吧資料
2025-05-22 09:56本頁面
【正文】 . Allen, Moungi G. Bawendi,* and Klavs F. Jensen Indium phosphide (InP) nanocrystals[1]are of significant interest for use in optoelectronic devices, specifically as a replacement for CdSe nanocrystals in mercial applications. However, the current mechanistic understanding and synthetic procedures for InP nanocrystals has not yet reached the same level as for CdSe nanocrystal synthesis.[2] Using a truly continuous threestage microfluidic reactor to precisely tune reaction conditions in the mixing, aging, and sequential growth regimes, our study described here builds on previous InP nanocrystal synthetic[3] and mechanistic work[4] to probe the significant experimental parameters involved in InP nanocrystal syntheses. We find that the growth of InP nanocrystals is dominated by the aging regime, which is consistent with a model of InP nanocrystal growth where nanocrystal growth is dominated by nonmolecular processes such as coalescence from nonmolecular InP species and interparticle ripening processes.[4] The InP growth model is in contrast to the molecularbased growth of nanocrystals as observed in CdSe and PbSe nanocrystals.[2a–f] We observe that the size of InP nanocrystals is predominantly dependent on the concentration
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