News for 2018

November 27, 2018

David Whitlatch received the SSLEEC Staff Citation of Excellence Award for outstanding contributions to the Operation of the MOCVD lab. David also received his 10 years of service recognition pin at the November 8 SSLEEC Conference. 

November 26, 2018

IWN is the International Workshop on Nitride Semiconductors.

November 11-16, 2018. 

October 12, 2018

Thank you very much to all of you who helped to beautify our lab today, and of course also to everyone who contributed in the past.

A green LED being electrically powered inside an ultra-high vacuum electron emission spectroscopy chamber at the University of California at Santa Barbara. The device design allows for the emission of electrons from the surface of the LED.
July 25, 2018

With the help of DOE funding, researchers at the University of California at Santa Barbara are conducting analyses to determine the mechanisms underlying efficiency loss in light-emitting diodes (LEDs) used in solid-state lighting.

Figure 1: (a) Schematic of flip-chip VCSEL structure with dual dielectric DBRs and MOCVD-grown TJ contact and (b) cavity-mode intensity distribution overlaid with refractive index profile.
June 26, 2018

June 14, 2018
University of California Santa Barbara (UCSB) in the USA claims the first demonstration of a III-nitride semiconductor vertical-cavity surface-emitting laser (VCSEL) with a tunnel junction (TJ) on the p-side using only metal-organic chemical vapor deposition (MOCVD) material growth [SeungGeun Lee et al, Appl. Phys. Express, vol11, p062703, 2018].

June 18, 2018

Congratulations to our new Drs. Forman and Hwang, Grad Slam alums, with their mentors! #ucsb2018

June 17, 2018

On June 6, more than 600 people converged on the Hilton Santa Barbara Beachfront Resort for the South Coast Business &Technology Awards, which c

June 15, 2018

Today's PhD Dense:

Dissertation Defense


Professors John Harter, Chris Van de Walle and Steve DenBaars
June 08, 2018

Date: June 8, 2018 in the Engineering II Courtyard

Materials Graduate Students were served ice cream today by its department's professors in Grad Student Appreciation. 

April 13, 2018

How to keep an innovative mind? 

Short video clip from April 2015. 

April 13, 2018

June 2017 

The American physicist Shuji Nakamura (Seto, Japan, 1954) Nobel Prize in Physics 2014 for the invention of blue LEDs and his contribution to energy saving, has been named Doctor Honoris Causa by the Menéndez Pelayo International University (UIMP). The inauguration, held on June 22, 2017 in the Royal Hall of the Magdalena Palace, was presided over by the rector César Nombela.

April 11, 2018
2018 UCSB Grad Slam: ROUND 1
The work was published in Physical Review B and highlighted as an Editors’ Suggestion[”Origins of n-type doping difficulties in perovskite stannates”, L. Weston, L. Bjaalie, K. Krishnaswamy, and C. G. Van de Walle, Phys. Rev. B 97, 054112 (2018)].
April 10, 2018

Wednesday, April 4, 2018

UCSB Materials Professor Chris Van de Walle and his group have gained new insight in doping of transparent conductors. Optimizing the properties of transparent conductors reduces loss in devices such as solar cells and light-emitting diodes, thus increasing energy efficiency.

April 04, 2018

Appeared in Semiconductor Today, 28 March 2018

February 16, 2018

Happy #InnovationDay

February 14, 2018

Congratulations to Brian Carralejo for his 30 years of service at UCSB! Congratulations to Michael Iza for his 15 years of service at UCSB! 

Nakamura believes Blue L.E.D. has already contributed substantially in sustainability and renewable energy, and it now has a very broad market application prospective. / Courtesy of Wiki Commons
February 02, 2018


January 29, 2018

January 25, 2018 at 1:40 am by Stephanie Pernett

The use of L.E.D. lights has revolutionized energy savings, making it possible to reduce fossil fuel use and carbon footprints. Their durability has also enabled the provision of lighting under inhospitable conditions and in places where traditional energy infrastructure is not available.

Etihad Esco, the energy retrofit entity, has replaced 8,500 light fixtures with high-efficiency LEDs at Dewa power stations in Jebel Ali and Al Awir to save 75 per cent of power, equivalent to 15 gigawatt hours every year / Courtesy Dewa
January 24, 2018

Breakthroughs in energy and light efficiency are transforming millions of lives in developing countries

Photo of Dr. Srabanti Chowdhury by Tony Mastres
January 19, 2018
ILLUMINATING INTERNATIONAL INTEREST UCSB earns industry attention for its research to change how we use light.

by Sophia Fischer 

The way we light our homes, our cars and even our crops is changing thanks to the research being done by groups like UC Santa Barbara’s Solid State Lighting & Energy Electronics Center (SSLEEC).

KT Photo By Ryan Lim: His Highness Sheikh Mohammed bin Zayed Al Nahyan, Crown Prince of Abu Dhabi and Deputy Supreme Commander of the UAE Armed Forces, presents the Lifetime Achievement Award to Shuji Nakamura during the Zayed Future Energy Prize awarding ceremony.
January 16, 2018

UCSB professor and Nobel laureate Shuji Nakamura is awarded the 2018 Zayed Future Energy Prize

A Ghanaian mother and daughter with a Unite to Light solar lamp. Mothers and midwives will be prioritzed in the distribution of 9,000 lights now on their way to a Rohingya refugee camp in Bangladesh.
January 03, 2018
Guiding Light: Unite to Light, the nonprofit founded by UCSB’s John Bowers, is providing thousands of solar lights to Rohingya refugees in Bangladesh
January 03, 2018

Please view Convergence stories at and the SSLEEC f