125 Jahre Flüssigkristalle – die wissenschaftliche Revolution im Wohnzimmer

Geelhaar, Thomas; Griesar, Klaus; Reckmann, Bernd

doi:10.1002/ange.201301457

Cited by 12 publications

(7 citation statements)

References 55 publications

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“…Liquid crystals (LCs) have been extensively studied because of their controllability of molecular alignment with external fields. [1] LC displays are good examples of such applications of LCs: the alignment of LC molecules is switched using electricity to control the transmission of light. Various LC molecules have been designed to improve the performance of materials.…”

Section: Introductionmentioning

confidence: 99%

Photomobile Polymer Materials with Crosslinked Liquid‐Crystalline Structures: Molecular Design, Fabrication, and Functions

2014

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Crosslinked liquid-crystalline polymer materials that macroscopically deform when irradiated with light have been extensively studied in the past decade because of their potential in various applications, such as microactuators and microfluidic devices. The basic motions of these materials are contraction-expansion and bending-unbending, which are observed mainly in polysiloxanes and polyacrylates that contain photochromic moieties. Other sophisticated motions such as twisting, oscillation, rotation, and translational motion have also been achieved. In recent years, efforts have been made to improve the photoresponsive and mechanical properties of this novel class of materials through the modification of molecular structures, development of new fabrication methods, and construction of composite structures. Herein, we review structures, functions, and working mechanisms of photomobile materials and recent advances in this field.

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Section: Introductionmentioning

confidence: 99%

Photomobile Polymer Materials with Crosslinked Liquid‐Crystalline Structures: Molecular Design, Fabrication, and Functions

2014

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“…[31,32] Liquid crystals would revolutionize this domain and give rise to nothing less than the creation of a new industry leading to low-power-consumption flat display screens. Paradoxically, liquid-crystal research then started to decline.…”

Section: Discussionmentioning

confidence: 99%

“…A great revival occurred in the sixties spurred on by opportunities to use liquid crystals in information-display technology. [31,32] Liquid crystals would revolutionize this domain and give rise to nothing less than the creation of a new industry leading to low-power-consumption flat display screens.…”

Section: Discussionmentioning

confidence: 99%

Liquid‐Crystal Science from 1888 to 1922: Building a Revolution

Mitov¹

2014

ChemPhysChem

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The saga of liquid crystals started with their discovery in 1888 by the botanist Friedrich Reinitzer, who unexpectedly observed "two melting points" for crystals extracted from the root of a carrot. At the end of the nineteenth century, most scientists did not believe in the existence of "liquid crystals" as promoted by the crystallographer Otto Lehmann. The controversies were very vivid; to the point that the recognition of mesomorphic states of matter by the scientific community required more than two decades. In the end, liquid crystals have changed our vision of matter by shattering the three-state paradigm. Since the mid-1970s, liquid crystals have revolutionized the worldwide information-display industry and now play a host of key roles in various technologies.

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“…He is also a member of the Research, Innovation, and Technology Policy Committee of the Bundesverband der Deutschen Industrie (BDI; Federation of German Industries) and a member of the Werner von Siemens Ring Foundation Council. Geelhaar has recently published an Essay in Angewandte Chemie on the history of liquid crystals 4b …”

Section: Awarded …︁mentioning

confidence: 99%

Otto Hahn Prize: F. Krausz / DECHEMA Prize: T. Scheibel / Singapore Young Scientist Award: Y. R. Chi / Science Award Electrochemistry: K. J. J. Mayrhofer / President of the Gesellschaft Deutscher Chemiker: T. Geelhaar / Eric and Sheila Samson Prime Minister's Prize for Innovation in Alternative Fuels for Transportation: G. A. Olah und G. K. S. Prakash / TEVA Award for Excellence: A. Brik und D. S. Tawfik / Marcel Benoist Prize: M. Grätzel / Meienhofer Award: H. Kessler

2013

Angew Chem Int Ed

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125 Jahre Flüssigkristalle – die wissenschaftliche Revolution im Wohnzimmer

Cited by 12 publications

References 55 publications

Photomobile Polymer Materials with Crosslinked Liquid‐Crystalline Structures: Molecular Design, Fabrication, and Functions

Photomobile Polymer Materials with Crosslinked Liquid‐Crystalline Structures: Molecular Design, Fabrication, and Functions

Liquid‐Crystal Science from 1888 to 1922: Building a Revolution

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