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Yongjoo Kim

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Related publications (9)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Influence of the Donor Size in D-pi-A Organic Dyes for Dye-Sensitized Solar Cells

Pascal Comte, Michael Graetzel, Mohammad Khaja Nazeeruddin, Shaik Mohammed Zakeeruddin, Joël Teuscher, Thomas Moehl, Chenyi Yi, Thomas Wesley Holcombe, Yongjoo Kim, Paramaguru Ganesan, Jiabao Yang

We report two new molecularly engineered push-pull dyes, i.e., YA421 and YA422, based on substituted quinoxaline as a pi-conjugating linker and bulky-indoline moiety as donor and compared with reported IQ4 dye. Benefitting from increased steric hindrance w ...

American Chemical Society2014

Panchromatic light harvesting by dye- and quantum dot-sensitized solar cells

Michael Graetzel, Robin Humphry-Baker, Jun Ho Yum, Yongjoo Kim

A PbS:Hg quantum dots-sensitized solar cell (QDSC) combined with a dye-sensitized solar cell (DSC) to harvest panchromatic solar spectrum from the visible light to the near IR is demonstrated. We use the filter to split the solar energy and access the tota ...

Pergamon-Elsevier Science Ltd2014

Acetylene-bridged dyes with high open circuit potential for dye-sensitized solar cells

Pascal Comte, Michael Graetzel, Shaik Mohammed Zakeeruddin, Thomas Moehl, Aswani Yella, Yongjoo Kim, Fabrizio Giordano, Chi-Lun Mai

A series of simple metal-free organic dyes MS1-MS3 have been designed and synthesized, and their optical, electrochemical, and photovoltaic properties were investigated. The molecular structures are based on a push-pull framework with a triphenylamine, nap ...

RSC Publishing2014