Massive hydration-driven swelling of layered perovskite niobate crystals in aqueous solutions of organo-ammonium bases

Song Yeji; Iyi Nobuo; Hoshide Tatsumasa; Ozawa Tadashi C.; Ebina Yasuo; Ma Renzhi; Yamamoto Shinya; Miyamoto Nobuyoshi; Sasaki Takayoshi

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Massive hydration-driven swelling of layered perovskite niobate crystals in aqueous solutions of organo-ammonium bases

机译：有机铵碱水溶液中层状钙钛矿铌水溶液的大规模水化驱动溶胀

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Osmotic swelling behaviors in layered perovskite niobate were examined in aqueous solutions containing three types of amine-related agents including quaternary ammonium hydroxides and tertiary aminoethanol. Platelet microcrystals of a protonated layered perovskite niobate, HCa2Nb3O10 center dot 1.5H(2)O, were found to show enormous swelling in the aqueous solutions, which was clearly recognized by the noticeable expansion of the sample volume over 100-fold. Optical microscopy observations revealed that the crystals underwent accordion-like elongation in the layer-stacking direction up to several ten-fold the initial thickness. Small-angle X-ray scattering measurements of swollen samples indicate the expansion of interlayer separation ranging from similar to 20 nm to over 100 nm, which is primarily governed by the concentrations of the amine-related agents. The magnitudes of the interlayer separation were comparable to those of the macroscopic swelling. The degree of swelling was progressively suppressed with further increasing concentration, and this suppression trend was related to the amines.

机译：在含有三种类型的胺类相关药剂的水溶液中检查层状钙钛矿铌酸盐中的渗透溶胀行为，包括季铵氢氧化铵和叔氨基乙醇。发现质子化层状钙钛矿铌酸盐的血小板微晶，HCA2NB3O10中心点1.5H（2）O在水溶液中显示出巨大的溶胀，清楚地通过样品体积的明显膨胀超过100倍。光学显微镜观察显示，晶体在层堆叠方向上进行手风琴样伸长率，初始厚度达到几十倍。溶胀样品的小角度X射线散射测量表明层间分离的膨胀范围为20nm至超过100nm，其主要由胺类相关剂的浓度控制。层间分离的幅度与宏观溶胀的幅度相当。通过进一步提高浓度逐渐抑制溶胀度，这种抑制趋势与胺有关。

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《Dalton transactions: An international journal of inorganic chemistry》 |2018年第9期|共7页
作者
Song Yeji; Iyi Nobuo; Hoshide Tatsumasa; Ozawa Tadashi C.; Ebina Yasuo; Ma Renzhi; Yamamoto Shinya; Miyamoto Nobuyoshi; Sasaki Takayoshi;
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Natl Inst Mat Sci Int Ctr Mat Nanoarchitecton 1-1 Namiki Tsukuba Ibaraki 3050044 Japan;

Natl Inst Mat Sci Int Ctr Mat Nanoarchitecton 1-1 Namiki Tsukuba Ibaraki 3050044 Japan;

Natl Inst Mat Sci Int Ctr Mat Nanoarchitecton 1-1 Namiki Tsukuba Ibaraki 3050044 Japan;

Natl Inst Mat Sci Int Ctr Mat Nanoarchitecton 1-1 Namiki Tsukuba Ibaraki 3050044 Japan;

Natl Inst Mat Sci Int Ctr Mat Nanoarchitecton 1-1 Namiki Tsukuba Ibaraki 3050044 Japan;

Natl Inst Mat Sci Int Ctr Mat Nanoarchitecton 1-1 Namiki Tsukuba Ibaraki 3050044 Japan;

Fukuoka Inst Technol Dept Life Environm &

Mat Sci Higashi Ku 3-30-1 Wajiro Higashi Fukuoka 8110295 Japan;

Fukuoka Inst Technol Dept Life Environm &

Mat Sci Higashi Ku 3-30-1 Wajiro Higashi Fukuoka 8110295 Japan;

Natl Inst Mat Sci Int Ctr Mat Nanoarchitecton 1-1 Namiki Tsukuba Ibaraki 3050044 Japan;

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中图分类化学;无机化学;
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1. Massive hydration-driven swelling of layered perovskite niobate crystals in aqueous solutions of organo-ammonium bases [J] . Song Yeji, Iyi Nobuo, Hoshide Tatsumasa, Dalton transactions: An international journal of inorganic chemistry . 2018,第9期

机译：有机铵碱水溶液中层状钙钛矿铌水溶液的大规模水化驱动溶胀
2. Formation of PbBr-Based Layered Perovskite Structure Having Poly (thiophene) as an Organic Layer by Soaking Thin Film of Hydrogen Bromide Salt of Poly (3-aminododecylthiophene) in Aqueous Lead Bromide Solution [J] . Masanao Era Chemistry Letters . 2003,第2期

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3. Low-temperature solution-processing high quality Nb-doped SnO_2 nanocrystals-based electron transport layers for efficient planar perovskite solar cells [J] . Song Jing, Xu Xiaoxia, Wu Jihuai, Functional materials letters . 2019,第1期

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4. Swelling and delamination behaviors of layered perovskite niobate crystals with a series of quaternary ammonium ions [C] . Yej i Song, Nobuo Iyi, Yasuo Ebina 日本化学会春季年会講演予稿集 . 2018

机译：分层钙钛矿铌酸酯肿瘤的肿胀和分层行为，具有一系列季铵离子
5. Mixed valence niobium (IV, V) perovskite solid solutions of the type A(x)niobate (A = potassium, barium, strontium, lanthanum, europium, gadolinium, yttrium): Phase relations, crystal chemistry, electrical and magnetic properties. [D] . Keating, Steven James. 1992

机译：铌酸盐A（x）型混合价铌（IV，V）钙钛矿固溶体（A =钾，钡，锶，镧，euro 、,、钇）：相关系，晶体化学，电和磁性能。
6. Study of n-alkylamine Intercalated Layered Perovskite-Like Niobates HCa2Nb3O10 as Photocatalysts for Hydrogen Production From an Aqueous Solution of Methanol [O] . Vladimir V. Voytovich, Sergei A. Kurnosenko, Oleg I. Silyukov, 2020

机译：正烷基胺插层层状钙钛矿型铌酸盐HCa2Nb3O10作为光催化剂用于甲醇水溶液制氢的研究
7. 2D Layered Perovskites: Surface Effect on 2D Hybrid Perovskite Crystals: Perovskites Using an Ethanolamine Organic Layer as an Example (Adv. Mater. 46/2018) [O] . Kang-Ting Ho, Siu-Fung Leung, Ting-You Li, 2018

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8. Investigation of the Growth of Lead Magnesium Niobate - and Lead Zinc Niobate - Lead Titanate Solid Solution Single Crystals by the Bridgeman Technique [R] . Feigelson, R. S. 2002

机译：用Bridgeman技术研究铌酸铅镁和铅铌酸铅 - 钛酸铅固溶体单晶的生长

Massive hydration-driven swelling of layered perovskite niobate crystals in aqueous solutions of organo-ammonium bases

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