Equipment and Materials ♦ news digest
the light-absorbing layer and restricts the device architecture to one of highly interfacial surface area. As a result, the overall effectiveness of the solar cell is reduced. «However, from our study, we now know that the photoexcited charges in hybrid perovskites exist in an inherently unbound state, thereby eliminating the additional energy loss associated with interfacial change separation,» Manser said. «These results indicate that hybrid perovskites represent a ‹best of both worlds› scenario, and have the potential to mitigate the compromise between low-cost and high-performance in light- harvesting devices.»
Although the research was on the fundamental optical and electronic properties of hybrid perovskites, it does have direct implications for device applications. Understanding how these materials behave under irradiation is necessary if they are to be fully optimised in light-harvesting assemblies.
Manser and Kamat›s research was supported by the Department of Energy›s Office of Basic Energy Science.
The paper ‹Band filling with free charge carriers in organometal halide perovskites› by J Manser et al, appears in Nature Photonics (2014) doi:10.1038/ nphoton.2014.171
to chief executive officer, Morris Young.
“Gary brings to the table a wealth of public- company experience in finance, strategic planning, global operations and investor relations,” said Young. “He has years of executive-level leadership, building technology businesses from early-stage to sustainable long-term profitability and revenue growth. This will be tremendously beneficial to AXT as we seek to increase our footprint in the global marketplace, leveraging our diversified portfolio of products as well as our key competitive differentiators.”
Fischer is a Silicon Valley veteran, with experience working in Asia and Europe. In 1993, he joined ISSI, a leader in advanced memory solutions, as chief financial officer. He took the company public in 1995 and later became its president and chief operating officer. In 2005, Fischer joined eRide, a fabless semiconductor company that develops both GPS devices and software for location-based services. The company was acquired in 2009.
Fischer continued with eRide as a consultant into 2014 and expanded his consulting practice to assist a number of growth companies on a variety of finance and M&A projects.
Mitsubishi launches wafer AXT Appoints Gary Fischer
as CFO Silicon Valley veteran to help grow global operations
bonding services Machines can bond different kind of materials at room temperature
Mitsubishi Heavy Industries (MHI) has launched wafer bonding services performed using its in- house developed wafer bonding machines, which are capable of bonding different kind of materials at room temperature.
AXT, the Californian manufacturer of compound semiconductor substrates, has appointed Gary L. Fischer as vice president and chief financial office. Fischer will have responsibility for AXT’s global finance and accounting organisation and will report
Until now the company has offered trial services of this kind to businesses and other potential
Issue VI 2014
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