<p data-pid="_RO8RRCu" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><br>
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<p data-pid="_RO8RRCu" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><span style="font-synthesis: style; font-weight: 600;"><a href="https://www.uconf.com/" class=" wrap external" target="_blank" rel="nofollow noreferrer" data-za-detail-view-id="1043" style="color: inherit; text-decoration-line: none; border-bottom: 1px solid rgb(128, 128, 128); cursor: pointer;">爱科会易</a></span>从南开大学官网获悉,11月17日,国际顶级期刊<i><b>Science</b></i>在线发表南开大学最新研究成果。该研究题为“An all-metal fullerene: [K@Au12Sb20]5-”,报道了全金属富勒烯[K@Au12Sb20]5-的合成及成键机制(图1-2),展示了一种全新的化合物合成技术以及对金属键的精准调控在结构化学中的应用,为新材料的创制提供了崭新的研究思路。这一突破性成果凸显了南开大学在合成化学及主族金属元素配位化学领域的重要地位。</p>
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<figure data-size="normal" style="margin: 1.4em 0px; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><img src="https://pic1.zhimg.com/80/v2-5b4d047a42976e311a7a2b99624e87ec_720w.webp" data-caption="" data-size="normal" data-rawwidth="720" data-rawheight="315" class="origin_image zh-lightbox-thumb lazy" width="720" data-original="https://pic1.zhimg.com/v2-5b4d047a42976e311a7a2b99624e87ec_r.jpg" data-actualsrc="https://pic1.zhimg.com/v2-5b4d047a42976e311a7a2b99624e87ec_b.jpg" data-original-token="v2-5b4d047a42976e311a7a2b99624e87ec" height="315" data-lazy-status="ok" style="display: block; margin: 0px auto; height: auto; cursor: zoom-in; background-color: transparent; animation: 0.5s ease-in 0s 1 normal none running animation-1yvu044; width: 690px;"></figure>
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<figure data-size="normal" style="margin: 1.4em 0px; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"="">
<div><img src="https://pic3.zhimg.com/80/v2-62116e4665db7dff85de93f49d2be522_720w.webp" data-size="normal" data-rawwidth="750" data-rawheight="342" class="origin_image zh-lightbox-thumb lazy" width="750" data-original="https://pic3.zhimg.com/v2-62116e4665db7dff85de93f49d2be522_r.jpg" data-actualsrc="https://pic3.zhimg.com/v2-62116e4665db7dff85de93f49d2be522_b.jpg" data-original-token="v2-62116e4665db7dff85de93f49d2be522" height="342" data-lazy-status="ok" style="display: block; margin: 0px auto; height: auto; cursor: zoom-in; background-color: transparent; animation: 0.5s ease-in 0s 1 normal none running animation-1yvu044; width: 690px;"></div>
<figcaption style="color: rgb(153, 153, 153); font-size: 0.9em; line-height: 1.5; margin-top: calc(0.666667em); padding: 0px 1em; text-align: center;">图1:全金属富勒烯[K@Au12Sb20]5-团簇结构示意图;钾原子为紫色,金原子黄色,锑原子为蓝色</figcaption></figure>
<p class="ztext-empty-paragraph" style="margin-top: -0.8em; margin-bottom: -0.8em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><br>
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<p data-pid="N_okzxke" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"="">因具有独特的高度对称的结构、特殊的物理性质以及多种多样的化学反应特性,富勒烯自被发现以来一直备受瞩目,使得人们不断探索其在不同领域的应用。富勒烯的成键特性也被逐渐扩展到无机合成化学领域,理论上预测无机富勒烯将表现出非同寻常的稳定性和反应性,这激发了科学家们的极大兴趣,但其合成依然面临巨大挑战。</p>
<p class="ztext-empty-paragraph" style="margin-top: -0.8em; margin-bottom: -0.8em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><br>
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<p data-pid="QqXoe7zF" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"="">南开大学材料科学与工程学院孙忠明教授课题组通过研发一种新的合成方法,将高温固相合成与金属有机化学跨相结合,成功制备了全金属富勒烯[K@Au12Sb20]5-。<br>
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<figure data-size="normal" style="margin: 1.4em 0px; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><img src="https://pic1.zhimg.com/80/v2-2fa71b186fc0fb727fbd4d4b81d7be90_720w.webp" data-caption="" data-size="normal" data-rawwidth="750" data-rawheight="500" class="origin_image zh-lightbox-thumb lazy" width="750" data-original="https://pic1.zhimg.com/v2-2fa71b186fc0fb727fbd4d4b81d7be90_r.jpg" data-actualsrc="https://pic1.zhimg.com/v2-2fa71b186fc0fb727fbd4d4b81d7be90_b.jpg" data-original-token="v2-2fa71b186fc0fb727fbd4d4b81d7be90" height="500" data-lazy-status="ok" style="display: block; margin: 0px auto; height: auto; cursor: zoom-in; background-color: transparent; animation: 0.5s ease-in 0s 1 normal none running animation-1yvu044; width: 690px;"></figure>
<p class="ztext-empty-paragraph" style="margin-top: -0.8em; margin-bottom: -0.8em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><br>
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<p data-pid="Zj_vftq6" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"="">这一化合物呈现出接近阿基米德十二面体的结构,每一面皆由内含一个金原子的锑五边形平面构成,内径约为0.90纳米,略大于C60分子的直径(0.71纳米)。在这个相对较大的团簇空腔内,仅内嵌了一个钾离子,并且团簇整体无需有机配体的保护,其结构依然能够具有很好的化学稳定性,这使其成为迄今为止配位环境最接近富勒烯的纯无机化合物。</p>
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<figure data-size="normal" style="margin: 1.4em 0px; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"="">
<div><img src="https://pic1.zhimg.com/80/v2-36cefe74e063566f592ac5d6af747d7c_720w.webp" data-size="normal" data-rawwidth="750" data-rawheight="485" class="origin_image zh-lightbox-thumb lazy" width="750" data-original="https://pic1.zhimg.com/v2-36cefe74e063566f592ac5d6af747d7c_r.jpg" data-actualsrc="https://pic1.zhimg.com/v2-36cefe74e063566f592ac5d6af747d7c_b.jpg" data-original-token="v2-36cefe74e063566f592ac5d6af747d7c" height="485" data-lazy-status="ok" style="display: block; margin: 0px auto; height: auto; cursor: zoom-in; background-color: transparent; animation: 0.5s ease-in 0s 1 normal none running animation-1yvu044; width: 690px;"></div>
<figcaption style="color: rgb(153, 153, 153); font-size: 0.9em; line-height: 1.5; margin-top: calc(0.666667em); padding: 0px 1em; text-align: center;">图2:[K@Au12Sb20]5-团簇的成键模式及分子轨道</figcaption></figure>
<p class="ztext-empty-paragraph" style="margin-top: -0.8em; margin-bottom: -0.8em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><br>
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<p data-pid="fu0ERSWU" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"="">这一裸露的重金属球状团簇的稳定性得以实现,<span style="font-synthesis: style; font-weight: 600;">一方面归因于中心的钾离子起到了模板支撑作用,另一方面,金-锑之间独特的异金属键在维持整体结构完整性方面发挥了至关重要的作用</span>(图2)。</p>
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<figure data-size="normal" style="margin: 1.4em 0px; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"="">
<div><img src="https://pic3.zhimg.com/80/v2-5906ac33402b136a5b4b5fccfd69c7f2_720w.webp" data-size="normal" data-rawwidth="750" data-rawheight="371" class="origin_image zh-lightbox-thumb lazy" width="750" data-original="https://pic3.zhimg.com/v2-5906ac33402b136a5b4b5fccfd69c7f2_r.jpg" data-actualsrc="https://pic3.zhimg.com/v2-5906ac33402b136a5b4b5fccfd69c7f2_b.jpg" data-original-token="v2-5906ac33402b136a5b4b5fccfd69c7f2" height="371" data-lazy-status="ok" style="display: block; margin: 0px auto; height: auto; cursor: zoom-in; background-color: transparent; animation: 0.5s ease-in 0s 1 normal none running animation-1yvu044; width: 690px;"></div>
<figcaption style="color: rgb(153, 153, 153); font-size: 0.9em; line-height: 1.5; margin-top: calc(0.666667em); padding: 0px 1em; text-align: center;">图3:[K@Au12Sb20]5-的电子结构分析</figcaption></figure>
<p class="ztext-empty-paragraph" style="margin-top: -0.8em; margin-bottom: -0.8em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><br>
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<p data-pid="HuUveeGQ" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"="">理论计算结果显示,该分子的最显著特征之一是其三维球芳香电子结构,这导致在团簇表面形成了一层离域 π 电子云,赋予全金属富勒烯化合物独特的物理化学特性(图3)。这一发现有望在光电材料或室温催化等领域发挥重要作用,具备广泛的应用潜力。</p>
<p class="ztext-empty-paragraph" style="margin-top: -0.8em; margin-bottom: -0.8em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><br>
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<p data-pid="9ds8822e" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><span style="font-synthesis: style; font-weight: 600;">南开大学材料科学与工程学院博士研究生徐毓贺是本论文的第一作者,孙忠明教授为论文通讯作者。</span>该工作得到了山西大学田文娟博士、智利圣塞巴斯蒂安大学Muñoz-Castro教授以及德国马尔堡大学Frenking教授在理论计算方面的重要辅助支持。其他相关数据分析得到了王学斌教授、徐骏副教授、李宁博士的支持。</p>
<p data-pid="QDDiZoDN" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"="">该研究还得到了国家自然科学基金委、天津市科学技术局和南开大学有关项目资助。</p>
<p data-pid="9fjRZpEs" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"="">孙忠明教授课题组长期致力于合成化学及主族金属元素配位化学领域的研究。<span style="font-synthesis: style; font-weight: 600;">此次全金属富勒烯[K@Au12Sb20]5-的合成及成键机制研究成果的发表,标志着南开大学在相关研究领域取得重要进展和重大突破。</span></p>
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<p data-pid="vsWX40Yn" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""> 论文链接:<a href="https://link.zhihu.com/?target=https%3A//www.science.org/doi/full/10.1126/science.adj6491" class=" external" target="_blank" rel="nofollow noreferrer" data-za-detail-view-id="1043" style="color: inherit; text-decoration-line: none; border-bottom: 1px solid rgb(128, 128, 128); cursor: pointer;"><span class="invisible" style="background-color: transparent; color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 0px; line-height: 0; font-family: a; text-shadow: none;">https://www.</span><span class="visible">science.org/doi/full/10</span><span class="invisible" style="background-color: transparent; color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 0px; line-height: 0; font-family: a; text-shadow: none;">.1126/science.adj6491</span><span class="ellipsis"></span></a></p>
<p class="ztext-empty-paragraph" style="margin-top: -0.8em; margin-bottom: -0.8em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"=""><br>
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<p data-pid="uDO4KLLV" style="margin-top: 1.4em; margin-bottom: 1.4em; color: rgb(18, 18, 18); font-family: -apple-system, BlinkMacSystemFont, " helvetica="" neue",="" "pingfang="" sc",="" "microsoft="" yahei",="" "source="" han="" sans="" "noto="" cjk="" "wenquanyi="" micro="" hei",="" sans-serif;="" font-size:="" medium;="" background-color:="" rgb(255,="" 255,="" 255);"="">来源:南开大学官网<span style="font-synthesis: style; font-weight: 600;">,<a href="https://www.uconf.com/" class=" wrap external" target="_blank" rel="nofollow noreferrer" data-za-detail-view-id="1043" style="color: inherit; text-decoration-line: none; border-bottom: 1px solid rgb(128, 128, 128); cursor: pointer;">爱科会易</a>(www.uconf.com)</span>仅用于<b>学术交流</b></p>
