- 2014-03-18 基于生物质衍生物和水的光电化学制氢
- Hydrogen, a clean energy carrier with high energy capacity, is a very promising candidate as a primary energy source for the future. Photoelectrochemical (PEC) hydrogen production from renewable bioma...
- 2014-03-03 二氧化碳代替一氧化碳生成有用化学品的新方法
- This work demonstrate the feasibility to use carbon dioxide and alcohols for alkoxycarbonylation processes of olefins without any additional strong reductant. A number of aliphatic olefins as well as ...
- 2014-03-03 从简单烯烃合成手性产品
- The catalytic enantioselective diboration of terminal alkenes, combined with Pd-catalysed cross-coupling, provides aflexible platform for the construction of a broad array of chiral compounds from non...
- 2014-03-03 铑催化的高选择性芳基C-H活化及硅烷化反应
- The intermolecular, rhodium-catalyzed silylation of arenes that we report here occurs under mild conditions, with arene as the limiting reagent and with regioselectivities that complement or surpass t...
- 2014-02-24 太阳能诱导直接生物质-电混合燃料电池
- The current polymer-exchange membrane fuel cell technology cannot directly use biomass as fuel. Here we present a solar-induced hybrid fuel cell that is directly powered with natural polymeric biomass...
- 2014-02-24 分子人工光合作用
- The replacement of fossil fuels by a clean and renewable energy source is one of the most urgent and challenging issues our society is facing today, which is why intense research has been devoted to t...
- 2014-02-24 多孔铂基纳米结构的研究进展:合成与电化学应用
- Porous Pt-based nanostructured materials possess intriguing physical and chemical properties to generate promising potential for various important applications such as fuel cells, sensors, stimulation...
- 2014-02-24 用于光催化和光电化学分解水制氢的半导体的最新进展
- Photocatalytic and photoelectrochemical water splitting under irradiation by sunlight has received much attention for production of renewable hydrogen from water on a large scale. Many challenges stil...
- 2014-02-24 纳米光子太阳能热光伏装置
- The most common approaches to generating power from sunlight are either photovoltaic, in which sunlight directly excites electron–hole pairs in a semiconductor, or solar–thermal, in which sunlight d...
- 2014-02-24 直接观察原子级薄层外延MoSe2从间接带隙到直接带隙的转变
- Quantum systems in confined geometries are host to novel physical phenomena. Examples include quantum Hall systems in semiconductors1 and Dirac electrons in graphene. Interest in such systems has also...
- 2014-02-24 纳米级仿石榴状的设计用于大体积变化的锂电池阳极
- Silicon is an attractive material for anodes in energy storage devices, because it has ten times the theoretical capacity of its state-of-the-art carbonaceous counterpart. Here, we propose a hierarchi...
- 2014-02-24 卟啉染料敏化太阳能电池实现了13%的光电转化效率
- A dye that both maximizes electrolyte compatibility and improves light-harvesting properties has been designed for dye-sensitized solar cells. In cells based on the cobalt(II)/(III) redox mediator, us...
- 2014-02-21 欧盟创新型大功率超级电容器问世
- 数秒钟内完成充电,可以让您的笔记本电脑至少工作一个月,创新型的大功率超级电容器(Supercapacitors)是欧盟第七研发框架计划(FP7)提供全额资助、由瑞典查尔姆斯理工大学(Chalmers University of Technology)伽...
- 2014-02-10 石墨烯导电性比预期高十倍
- Physicists have produced nanoribbons of graphene — the single-atom-thick carbon — that conduct electrons better than theory predicted even for the most idealized form of the material. The finding co...
- 2014-02-10 联合国成立“科学咨询委员会”
- 联合国秘书长潘基文1月30日访问德国柏林时,其倡议组建的“科学咨询委员会”(SAB)于当日正式成立,在应对气候变化、环境退化、解决饥饿等问题上为联合国提供决策建议。 潘基文表示,目前世界面临多重相互关联的危机、...
- 2014-02-10 新型扁平的石墨烯纳米带
- 石墨烯是一种由单层碳原子组成的材料,拥有众多极为特殊的物理特性,室温下电子在石墨烯材料中的移动速度是硅导体的200倍。此前的研究已经证实,碳纳米管(由石墨烯卷曲而成的圆筒结构)具有极好的导电性能,然而结构...
- 2014-02-10 我国新能源车购买享补助
- 2013年11月底,国家财政部等四部委发布通知,宣布2013年—2015年继续开展新能源汽车推广补贴,对购买纯电动汽车、插电式混合动力汽车和燃料电池汽车的消费者进行政府财政补贴。同时确认全国28个城市或区域为第一批新...
- 2014-02-10 美通过2014财年预算 科研机构一扫多灾阴霾
- 1月17日,美国总统奥巴马将该预算法案签署为正式法案。这份预算法案将为政府运营提供资金直到9月30日。去年施行的“强行减支”政策削减了5.1%的政府预算,造成诸多不良影响。新预算法案对其中大部分予以修改,甚至为...
- 2014-01-21 第247届美国化学会春季年会-“Chemistry & Materials for Energy”
- 第247届美国化学学会(ACS)春季年会将主题定为“Chemistry & Materials for Energy”,主要关注在能量生产、储存、运输和使用过程中涉及的先进材料和化学过程,本次会议将于2014年3月16到3月20日在美国德克萨斯州达...
- 2014-01-16 科学家提出光解水制氢新机制
- 中国科学技术大学合肥微尺度物质科学国家实验室、化学与材料科学学院杨金龙教授研究组最近提出了一种新的光解水催化机制,使得利用红外光进行光解水制氢成为可能,为今后利用太阳光所有频率的能量铺平了道路。这一成...