Chemicals & Materials

To design and analyze absorber columns, engineers need reliable mass-transfer parameters for rate-based models in process simulations. However, unlike for distillation, no set of standardized measurement methods for absorption have been generally accepted. Mass-transfer parameters measured by different methods at different facilities, or calculated from different correlations, can have significant disparities. Thus, a need exists to improve the precision and accuracy of experimental methods for determining mass-transfer coefficients so that reliable and coherent sets of data can be derived.

Today’s solar cells are mainly used for large-scale power production. However, the up-and-coming internet of things (IoT) will require many sensors and devices to transmit information wirelessly to computer networks and mobile personal electronics. Those sensors and devices could be powered with solar cells that harvest energy from either freely available sunlight or indoor lighting, provided the solar cells are small, inexpensive, lightweight, and able to conform and adhere to surfaces with any shape or texture.

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