To make its artificial leaf, the MIT team spread its catalysts on opposite sides of a silicon wafer.
此研究团队将催化剂涂在了硅片的正反两面，使它像一片人工叶子。
An artificial leaf would use a reaction that forms part of the natural process of photosynthesis to turn sunlight and water into a clean fuel source.
“人造叶”将利用构成光合作用中部分自然过程的反应作用，将阳光和水变成一种清洁燃料的来源。
The artificial leaf — a silicon solar cell with different catalytic materials bonded onto its two sides — needs no external wires or control circuits to operate.
人造叶子实际上是两边分别胶合了不同材料的催化剂的硅太阳能电池，因此不需要外部导线或者控制电路来操控。
Now, for the first time, researchers at the Massachusetts Institute of Technology (MIT) have created a potentially cheap, practical artificial leaf that does much the same thing.
如今，麻省理工大学的研究者首次研制出一种低廉而实用的人工叶片。
practical artificial leaf that can turn sunlight and water into energy as efficiently as the real thing has long been a Holy Grail of chemistry, and researchers at MIT may have finally done it.
科学家一直在尝试在实验室中重现植物的结构和功能，最高的目标当然是人工树叶能够和真实树叶一样有效地利用阳光和水合成能量。
MIT chemists say they've created an artificial leaf that can mimic photosynthesis, the process by which plants breathe and produce power.
美国麻省理工学院的科学家近日称，他们已经研制出第一片人造树叶，可模拟植物的光合作用产生电流。
Nocera says his so-called practical artificial leaf USES less expensive materials, is more stable and more efficient than that earlier design.
诺切拉说他定义的实用人造树叶比之前的设计所采用的材料更便宜，性能更稳定，并且效率更高。
The artificial leaf is a thin sheet of semiconducting silicon - the material most solar cells are made of - which turns the energy of sunlight into a flow of wireless electricity within the sheet.
人造叶子主要是一层很薄的半导体硅板，能够将太阳光转化为硅板内的无线电流，硅也是大部分太阳能电池的主要材料。
Artificial Leaf Turns Sunlight Into a Cheap Energy source.
“人工叶片”：将阳光转化为廉价能源。
Artificial Leaf Turns Sunlight Into a Cheap Energy source.
“人工叶片”：将阳光转化为廉价能源。
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